Literature DB >> 30116574

Single-crystal X-ray diffraction study of a host-guest system comprising monofunctionalized-hydroxy pillar[5]arene and 1-octa-namine.

Talal F Al-Azemi1, Mickey Vinodh1, Abdirahman A Mohamod1, Fatemeh H Alipour1.   

Abstract

Co-crystallization of a monofunctionalized hy-droxy pillar[5]arene with 1-octa-namine resulted in the formation of an inclusion complex where the alkyl chain is threaded in the macrocycle cavity, namely 1,2,3,4-(1,4-dimeth-oxy)-5-(1-hy-droxy-4-meth-oxy)-pillar[5]arene-1-octa-namine-water (1/1/1), C44H48O10·C8H19N·H2O. The guest compound is stabilized inside the cavity by hydrogen-bonding and C-H⋯π inter-actions. The water mol-ecule in the asymmetric unit mediates the formation of a supra-molecular dimer by hydrogen-bonding inter-actions. These functionalized-pillararene hosts expand the possibility of exploring more supra-molecular inter-actions with various guest species.

Entities:  

Keywords:  Functionalized pillararene; crystal structure; encapsulation; host–guest inter­action

Year:  2018        PMID: 30116574      PMCID: PMC6072997          DOI: 10.1107/S2056989018010034

Source DB:  PubMed          Journal:  Acta Crystallogr E Crystallogr Commun


Chemical context

Pillar[5]arenes are a relatively new class of three-dimensional macrocyclic compounds having a well-defined inner cavity for guest encapsulation. Unlike cone-shaped calixarene or resorcinarene-type structures, the pillararenes have a tabular cavity, which makes them inter­esting mol­ecular hosts. It is well known that pillar[5]arenes exhibit an outstanding ability to selectively bind different kinds of guest mol­ecules and thus are valuable chemical entities in the areas of host–guest systems and mol­ecular recognition (Ogoshi et al., 2008 ▸). The guest moieties that could be encapsulated by pillararenes include both neutral and charged guest species and the preference will be for those having long alkyl chains. Appropriate function­alization of the pillararene framework could enable efficient control over the binding properties of these macrocycles with a variety of guest species (Han et al., 2010 ▸, 2015 ▸; Pan & Xue, 2013 ▸; Hu et al., 2016 ▸). Chemical modification of the pillararene system could be achieved in two ways, namely cyclization of appropriately functionalized monomers or functionalization of preformed pillararenes (Al-Azemi et al., 2017 ▸). In the former, co-cyclization of pre-functionalized monomers in an appropriate feed ratio could be employed to generate pillararenes having the desired functionalities in terms of numbers and positions. The pillar[5]rene system having one hy­droxy group is inter­esting because this OH– function is susceptible for further chemical transformation (Al-Azemi et al., 2018). Furthermore, the OH– group in pillararenes could involve hydrogen bonding with guest mol­ecules and/or with neighboring pillararenes, which makes them valuable compounds in mol­ecular recognition and supra­molecular chemistry. We have recently reported details of the host–guest complexation between mono-hy­droxy-pillar[5]arenes with long-chain alkyl alcohol guests (Al-Azemi et al., 2018). It was observed that the encapsulation characteristics of the pillar[5]arene was affected by the presence of the hy­droxy group, resulting in the formation of a 1:2 complex with long-chain alkyl alcohols. In this work we report the crystal structure of the inclusion complex consisting of 1-(1-hy­droxy-4-meth­oxy)-2,3,4,5-(1,4-dimeth­oxy)-pillar[5]arene (Pil-OH) and 1-octa­namine (OctNH). The structural features and supra­molecular host–guest inter­actions of this co-crystalline system (Pil-OH·OctNH) has been addressed and discussed.

Structural commentary

The crystal structure of the inclusion complex Pil-OH·OctNH is given in Fig. 1 ▸. The mono-hy­droxy-pillar[5]arene (Pil-OH) has a rigid three-dimensional macrocyclic architecture with a wide cavity having a penta­gonal shape. The 1-octa­namine mol­ecule is threaded inside the pillararene cavity and one water is included in asymmetric unit, displaying strong hydrogen-bonding inter­actions with the amino group of the guest mol­ecule inside the cavity and the hy­droxy group on the pillararene system via O11—H11A⋯N1 and O11—H11B⋯O1 bonds respectively (Table 1 ▸).
Figure 1

Displacement ellipsoid representation (30% probability) of Pil-OH·OctNH. Hydrogen atoms are omitted for clarity.

Table 1

Hydrogen-bond geometry (Å, °)

D—H⋯A D—HH⋯A DA D—H⋯A
O11—H11A⋯N10.83 (2)1.98 (5)2.770 (10)159 (7)
O11—H11B⋯O10.80 (10)2.40 (10)3.060 (10)145 (10)
O1—H1⋯O11i 0.82 (5)1.90 (5)2.711 (7)168 (9)

Symmetry code: (i) .

Supra­molecular features

In the title inclusion complex, the water mol­ecule mediates the formation of supra­molecular dimers through O1i—H1i⋯O11[symmetry code: (i) −x + 2, −y + 1, −z + 1] and O11—H11⋯O1 hydrogen-bonding inter­actions (Table 1 ▸), as illustrated in Fig. 2 ▸. In addition, the encapsulated 1-octa­namine is stabilized inside the cavity by C—H⋯π inter­actions with the pillararene aromatic ring and C—H⋯O inter­actions at the meth­oxy groups on the rim of the macrocycle, which act as hydrogen-bond acceptors. These weak inter­actions are shown in Fig. 3 ▸ and the corresponding inter­action distances are given in Table 2 ▸. The threaded terminal methyl group of the alkyl chain of the 1-octa­namine guest is positioned outside the pillararene moiety where it engages in a weak inter­molecular C—H⋯O inter­action with the meth­oxy group of another pillararene mol­ecule [C52—H52C⋯O7ii; symmetry code: (ii) x − 1, y, z]. A weak C—H⋯O type pillararenepillararene inter­action is also observed [C44—H44B⋯O3iii; symmetry code: (iii) x − 1, y − 1, z].
Figure 2

Hydrogen-bonding inter­actions between Pil-OH·OctNH systems showing the formation of a water-mol­ecule-mediated supra­molecular dimer. [Symmetry code: (i) −x + 2, −y + 1, −z + 1.]

Figure 3

Crystal structure of the inclusion complex Pil-OH·OctNH showing weak C—H⋯O and C—H⋯ π inter­actions where Cg1–4 are the centroids of the aromatic rings in the pillararene system. C—H⋯O inter­actions are represented as brown and C—H⋯ π as green dashed lines.

Table 2

Summary of weak inter­actions (C—H⋯π and C—H⋯O; Å, °) between the pillararene and 1-octa­namine mol­ecules

Cg1, Cg2, Cg3 and Cg4 are the centroids of the C1–C6, C29–C34, C15–C20 and C22–C27 rings, respectively.

D—H⋯A H⋯A DA D—H⋯A
C45—H45ACg13.023.815 (10)139
C45—H45BCg22.893.867 (8)175
C46—H46ACg33.103.790 (9)128
C46—H46BCg43.184.106 (12)157
C47—H47A⋯O23.104.070 (13)166
C47—H47B⋯O103.264.158 (10)151
C48—H48A⋯O43.174.094 (12)156
C48—H48B⋯O63.243.974 (14)132
C52—H52C⋯O7ii 2.433.39 (2)168
C44—H44B⋯O3ii 2.653.611 (8)167

Symmetry codes: (ii) x − 1, y, z; (iii) x − 1, y − 1, z.

Synthesis and crystallization

The synthesis of 1-(1-hy­droxy-4-meth­oxy)-2,3,4,5-(1,4-di­meth­oxy)pillar[5]arene has been reported previously (Al-Azemi et al., 2018 ▸). The co-crystallization of pillararene with 1-octa­namine was undertaken by adding pillararene (20 mg) and 1-octa­namine (50 µL) to chloro­form (0.5 mL) in a small vial, followed by a very slow solvent evaporation. Within six days, crystals of a suitable size for diffraction analysis had formed.

Refinement

Crystal data, data collection and structure refinement details are summarized in Table 3 ▸. The hydrogen atoms belonging to water, the OH fraction of the pillarene apex and the NH2 group of 1-octa­namine were found in the electron density map and freely refined. All other hydrogen atoms are placed at calculated positions and refined using a riding model: C—H = 0.95–0.99 Å with U iso(H) = 1.2U eq(C).
Table 3

Experimental details

Crystal data
Chemical formulaC44H48O10·C8H19N·H2O
M r 884.08
Crystal system, space groupTriclinic, P
Temperature (K)150
a, b, c (Å)12.147 (12), 12.341 (12), 19.406 (19)
α, β, γ (°)91.433 (11), 90.181 (11), 119.182 (9)
V3)2539 (4)
Z 2
Radiation typeMo Kα
μ (mm−1)0.08
Crystal size (mm)0.12 × 0.11 × 0.02
 
Data collection
DiffractometerRigaku R-AXIS RAPID
Absorption correctionMulti-scan (ABSCOR; Higashi, 1995)
T min, T max 0.000, 0.998
No. of measured, independent and observed [I > 2σ(I)] reflections19245, 8604, 3452
R int 0.078
(sin θ/λ)max−1)0.589
 
Refinement
R[F 2 > 2σ(F 2)], wR(F 2), S 0.094, 0.349, 0.95
No. of reflections8604
No. of parameters606
No. of restraints44
H-atom treatmentH atoms treated by a mixture of independent and constrained refinement
Δρmax, Δρmin (e Å−3)0.36, −0.27

Computer programs: CrystalClear-SM Expert (Rigaku, 2009 ▸); CrystalStructure (Rigaku, 2010 ▸), Il Milione (Burla et al., 2007 ▸), SHELXL2017 (Sheldrick, 2015 ▸); ShelXle (Hübschle et al., 2011 ▸) and Mercury (Macrae et al., 2006 ▸).

Crystal structure: contains datablock(s) I. DOI: 10.1107/S2056989018010034/dx2005sup1.cif Structure factors: contains datablock(s) I. DOI: 10.1107/S2056989018010034/dx2005Isup4.hkl CCDC reference: 1855261 Additional supporting information: crystallographic information; 3D view; checkCIF report
C44H48O10·C8H19N·H2OZ = 2
Mr = 884.08F(000) = 952
Triclinic, P1Dx = 1.157 Mg m3
a = 12.147 (12) ÅMo Kα radiation, λ = 0.71075 Å
b = 12.341 (12) ÅCell parameters from 1156 reflections
c = 19.406 (19) Åθ = 3.2–24.5°
α = 91.433 (11)°µ = 0.08 mm1
β = 90.181 (11)°T = 150 K
γ = 119.182 (9)°Platelet, colorless
V = 2539 (4) Å30.12 × 0.11 × 0.02 mm
Rigaku R-AXIS RAPID diffractometer3452 reflections with I > 2σ(I)
Detector resolution: 10.000 pixels mm-1Rint = 0.078
ω scansθmax = 24.8°, θmin = 3.2°
Absorption correction: multi-scan (ABSCOR; Higashi, 1995)h = −14→14
Tmin = 0.000, Tmax = 0.998k = −14→14
19245 measured reflectionsl = −22→22
8604 independent reflections
Refinement on F244 restraints
Least-squares matrix: fullHydrogen site location: mixed
R[F2 > 2σ(F2)] = 0.094H atoms treated by a mixture of independent and constrained refinement
wR(F2) = 0.349w = 1/[σ2(Fo2) + (0.2P)2] where P = (Fo2 + 2Fc2)/3
S = 0.95(Δ/σ)max = 0.006
8604 reflectionsΔρmax = 0.36 e Å3
606 parametersΔρmin = −0.27 e Å3
Geometry. All esds (except the esd in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell esds are taken into account individually in the estimation of esds in distances, angles and torsion angles; correlations between esds in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell esds is used for estimating esds involving l.s. planes.
xyzUiso*/Ueq
O10.7998 (4)0.4416 (4)0.5308 (2)0.0863 (12)
H10.873 (4)0.497 (8)0.537 (6)0.26 (6)*
H1B0.8643 (19)0.2821 (17)0.283 (3)0.9 (3)*
H1A0.926 (2)0.402 (4)0.266 (2)1.075*
O20.5570 (4)0.6085 (3)0.35282 (19)0.0828 (11)
O31.0480 (4)0.7681 (4)0.3574 (2)0.0900 (12)
O40.7543 (4)0.6894 (4)0.1205 (2)0.0960 (12)
O51.1318 (4)0.5864 (4)0.1524 (2)0.1013 (13)
O60.6840 (4)0.2542 (4)0.0134 (2)0.0930 (12)
O70.9401 (4)0.1253 (4)0.1904 (2)0.1032 (14)
O80.4150 (4)−0.0913 (4)0.1898 (2)0.0999 (13)
O90.7136 (3)0.0036 (3)0.41713 (19)0.0793 (10)
O100.3518 (4)0.1570 (3)0.3987 (2)0.0856 (11)
O110.9620 (6)0.3882 (5)0.4297 (4)0.1282 (17)
H11A0.952 (8)0.382 (8)0.3873 (8)0.14 (4)*
H11B0.895 (6)0.381 (14)0.444 (4)0.36 (10)*
N10.8665 (8)0.3545 (9)0.2964 (4)0.187 (3)
C10.6093 (5)0.4038 (4)0.4726 (2)0.0616 (13)
C20.7389 (5)0.4832 (4)0.4870 (3)0.0646 (13)
C30.8014 (5)0.5997 (4)0.4566 (2)0.0657 (13)
H30.8881070.6521690.4678120.079*
C40.7446 (5)0.6424 (4)0.4117 (2)0.0619 (13)
C50.6149 (5)0.5637 (4)0.3974 (2)0.0648 (13)
C60.5476 (5)0.4457 (5)0.4282 (3)0.0663 (13)
H60.4600410.3948960.4185050.080*
C70.8171 (5)0.7667 (4)0.3762 (3)0.0717 (14)
H7A0.7616020.8039750.3710360.086*
H7B0.8903630.8240200.4055320.086*
C80.8632 (5)0.7517 (4)0.3053 (3)0.0653 (13)
C90.9770 (5)0.7500 (4)0.2978 (3)0.0703 (14)
C101.0164 (5)0.7319 (4)0.2321 (3)0.0711 (14)
H101.0950150.7332650.2279720.085*
C110.9414 (5)0.7118 (4)0.1728 (3)0.0671 (14)
C120.8273 (5)0.7131 (4)0.1804 (3)0.0651 (13)
C130.7897 (5)0.7325 (4)0.2446 (3)0.0723 (14)
H130.7119090.7329310.2481820.087*
C140.9834 (5)0.6858 (5)0.1028 (3)0.0783 (16)
H14A0.9448390.7105990.0656260.094*
H14B1.0761110.7370020.0996920.094*
C150.9459 (5)0.5487 (5)0.0917 (3)0.0677 (13)
C161.0202 (5)0.4986 (5)0.1180 (3)0.0708 (14)
C170.9803 (5)0.3735 (5)0.1099 (3)0.0775 (16)
H171.0307740.3423420.1293890.093*
C180.8681 (5)0.2895 (5)0.0741 (2)0.0645 (13)
C190.7951 (5)0.3381 (5)0.0473 (3)0.0673 (13)
C200.8359 (5)0.4660 (5)0.0550 (2)0.0698 (14)
H200.7865510.4975250.0344850.084*
C210.8264 (5)0.1518 (5)0.0693 (3)0.0744 (15)
H21A0.9019990.1413890.0655170.089*
H21B0.7748350.1156750.0267280.089*
C220.7501 (5)0.0799 (4)0.1308 (3)0.0659 (13)
C230.8092 (5)0.0688 (5)0.1907 (3)0.0726 (14)
C240.7356 (5)0.0045 (5)0.2471 (3)0.0703 (14)
H240.777006−0.0031120.2867970.084*
C250.6053 (5)−0.0481 (4)0.2471 (3)0.0613 (12)
C260.5478 (5)−0.0366 (4)0.1869 (3)0.0703 (14)
C270.6189 (5)0.0249 (4)0.1303 (3)0.0690 (14)
H270.5767680.0295650.0900890.083*
C280.5313 (5)−0.1097 (4)0.3107 (3)0.0677 (14)
H28A0.568733−0.1557950.3329250.081*
H28B0.443199−0.1698880.2970940.081*
C290.5322 (5)−0.0127 (4)0.3623 (3)0.0620 (13)
C300.6251 (5)0.0447 (4)0.4141 (3)0.0644 (13)
C310.6250 (5)0.1358 (4)0.4595 (3)0.0625 (13)
H310.6885530.1726270.4944620.075*
C320.5330 (5)0.1733 (4)0.4541 (3)0.0623 (13)
C330.4413 (5)0.1172 (4)0.4021 (3)0.0639 (13)
C340.4409 (5)0.0264 (4)0.3580 (3)0.0667 (14)
H340.376598−0.0107530.3234030.080*
C350.5383 (5)0.2750 (4)0.5031 (3)0.0696 (14)
H35A0.4512300.2564290.5137520.084*
H35B0.5802570.2747800.5469040.084*
C360.4254 (6)0.5339 (6)0.3381 (3)0.0957 (19)
H36A0.4080990.4519730.3203460.115*
H36B0.3997260.5740280.3034250.115*
H36C0.3779790.5245400.3803320.115*
C371.1307 (6)0.7168 (6)0.3582 (4)0.112 (2)
H37A1.0813500.6261700.3531120.134*
H37B1.1780580.7394080.4020660.134*
H37C1.1896920.7495390.3200810.134*
C380.6446 (7)0.7030 (7)0.1244 (4)0.123 (3)
H38A0.6123100.7008930.0778040.148*
H38B0.6661720.7825340.1475990.148*
H38C0.5799480.6350150.1506100.148*
C391.2011 (6)0.5426 (7)0.1908 (4)0.123 (3)
H39A1.2729540.6129810.2142020.147*
H39B1.2317520.4998500.1596690.147*
H39C1.1463320.4847520.2252190.147*
C400.6167 (6)0.2999 (6)−0.0255 (4)0.108 (2)
H40A0.6738500.360864−0.0579170.130*
H40B0.5826870.3394610.0057260.130*
H40C0.5472910.230861−0.0511650.130*
C411.0011 (6)0.1111 (8)0.2487 (4)0.148 (4)
H41A1.0926200.1624450.2443200.178*
H41B0.9793150.0237970.2519130.178*
H41C0.9738320.1372790.2903440.178*
C420.3518 (6)−0.0589 (6)0.1393 (4)0.111 (2)
H42A0.261287−0.1004300.1486970.133*
H42B0.365018−0.0851500.0934130.133*
H42C0.3853800.0312670.1409190.133*
C430.8110 (6)0.0576 (6)0.4702 (3)0.0908 (17)
H43A0.8662910.1457620.4615150.109*
H43B0.8606000.0144390.4697940.109*
H43C0.7719970.0492240.5153310.109*
C440.2507 (6)0.0996 (6)0.3489 (4)0.106 (2)
H44A0.1986680.1401940.3513560.128*
H44B0.1987380.0113650.3587420.128*
H44C0.2854130.1078410.3026390.128*
C450.7525 (8)0.3574 (8)0.2971 (4)0.122 (2)
H45A0.7693610.4364530.3203850.146*
H45B0.6938210.2896130.3265640.146*
C460.6862 (9)0.3467 (8)0.2329 (4)0.127 (3)
H46A0.7437110.4180690.2051910.152*
H46B0.6764670.2711790.2082790.152*
C470.5660 (9)0.3407 (9)0.2301 (5)0.151 (3)
H47A0.5749300.4168450.2535250.181*
H47B0.5075090.2697080.2577730.181*
C480.5038 (11)0.3280 (11)0.1620 (5)0.167 (3)
H48A0.5573350.4046210.1368910.201*
H48B0.5059170.2589180.1361660.201*
C490.3773 (12)0.3068 (13)0.1576 (6)0.204 (4)
H49A0.3747640.3757600.1834280.244*
H49B0.3233320.2299430.1823880.244*
C500.3154 (13)0.2945 (13)0.0869 (6)0.231 (4)
H50A0.2755980.3479510.0892200.278*
H50B0.3848620.3325880.0537090.278*
C510.2189 (15)0.1723 (13)0.0547 (8)0.284 (6)
H51A0.2681350.1460930.0248310.341*
H51B0.1690540.1939080.0230200.341*
C520.1227 (15)0.0544 (14)0.0877 (9)0.293 (7)
H52A0.1651120.0281660.1210640.439*
H52B0.080349−0.0110130.0520490.439*
H52C0.0601800.0696460.1114300.439*
U11U22U33U12U13U23
O10.082 (3)0.084 (2)0.094 (3)0.040 (2)−0.007 (2)0.024 (2)
O20.090 (3)0.090 (2)0.084 (3)0.056 (2)−0.009 (2)0.008 (2)
O30.081 (3)0.106 (3)0.077 (3)0.042 (2)−0.021 (2)−0.002 (2)
O40.101 (3)0.128 (3)0.082 (3)0.074 (3)−0.016 (2)−0.003 (2)
O50.076 (3)0.101 (3)0.130 (4)0.045 (2)−0.020 (3)0.003 (3)
O60.099 (3)0.097 (3)0.090 (3)0.053 (2)−0.031 (2)−0.006 (2)
O70.072 (3)0.140 (3)0.103 (3)0.054 (3)0.004 (2)0.041 (3)
O80.074 (3)0.113 (3)0.093 (3)0.031 (2)−0.015 (2)0.008 (2)
O90.084 (3)0.083 (2)0.083 (3)0.051 (2)−0.013 (2)−0.0055 (19)
O100.074 (3)0.087 (2)0.103 (3)0.046 (2)−0.010 (2)−0.005 (2)
O110.101 (4)0.122 (4)0.140 (6)0.038 (3)−0.012 (4)0.000 (4)
N10.177 (8)0.276 (11)0.143 (7)0.138 (8)−0.019 (6)−0.021 (7)
C10.071 (4)0.062 (3)0.060 (3)0.038 (3)0.005 (3)−0.001 (2)
C20.070 (4)0.060 (3)0.064 (3)0.032 (3)−0.005 (3)0.005 (2)
C30.068 (3)0.064 (3)0.063 (3)0.031 (3)−0.001 (3)−0.001 (2)
C40.077 (4)0.058 (3)0.058 (3)0.039 (3)−0.003 (3)−0.002 (2)
C50.090 (4)0.068 (3)0.055 (3)0.053 (3)−0.002 (3)−0.002 (2)
C60.067 (3)0.077 (3)0.064 (3)0.043 (3)0.000 (3)−0.006 (3)
C70.087 (4)0.058 (3)0.073 (4)0.038 (3)−0.005 (3)0.002 (2)
C80.085 (4)0.050 (3)0.059 (3)0.031 (3)−0.001 (3)0.007 (2)
C90.065 (3)0.062 (3)0.073 (4)0.023 (3)−0.011 (3)0.008 (3)
C100.066 (3)0.072 (3)0.070 (4)0.030 (3)0.003 (3)0.014 (3)
C110.080 (4)0.061 (3)0.059 (3)0.033 (3)0.001 (3)0.010 (2)
C120.074 (4)0.069 (3)0.057 (3)0.038 (3)−0.010 (3)0.004 (2)
C130.079 (4)0.073 (3)0.073 (4)0.044 (3)−0.003 (3)0.010 (3)
C140.080 (4)0.078 (3)0.075 (4)0.036 (3)0.007 (3)0.016 (3)
C150.061 (3)0.077 (3)0.061 (3)0.030 (3)0.010 (3)0.014 (3)
C160.052 (3)0.081 (4)0.075 (4)0.029 (3)−0.003 (3)0.008 (3)
C170.075 (4)0.098 (4)0.077 (4)0.055 (3)0.011 (3)0.017 (3)
C180.067 (3)0.081 (3)0.049 (3)0.038 (3)0.006 (3)0.005 (2)
C190.071 (4)0.076 (3)0.053 (3)0.035 (3)−0.006 (3)0.002 (3)
C200.072 (4)0.092 (4)0.055 (3)0.046 (3)0.006 (3)0.016 (3)
C210.086 (4)0.086 (4)0.067 (4)0.054 (3)0.006 (3)0.003 (3)
C220.081 (4)0.067 (3)0.059 (3)0.043 (3)0.001 (3)−0.001 (2)
C230.071 (4)0.079 (3)0.077 (4)0.044 (3)0.002 (3)0.006 (3)
C240.083 (4)0.074 (3)0.064 (3)0.046 (3)−0.006 (3)0.008 (3)
C250.064 (3)0.055 (3)0.065 (3)0.028 (2)−0.008 (3)−0.006 (2)
C260.060 (3)0.063 (3)0.078 (4)0.022 (3)−0.015 (3)−0.007 (3)
C270.084 (4)0.070 (3)0.051 (3)0.037 (3)−0.012 (3)−0.008 (2)
C280.069 (3)0.048 (2)0.076 (4)0.021 (2)−0.011 (3)−0.004 (2)
C290.060 (3)0.053 (3)0.064 (3)0.021 (2)0.005 (3)0.012 (2)
C300.063 (3)0.064 (3)0.067 (3)0.031 (3)0.002 (3)0.010 (3)
C310.061 (3)0.058 (3)0.058 (3)0.022 (2)−0.003 (2)0.007 (2)
C320.064 (3)0.057 (3)0.065 (3)0.028 (2)0.011 (3)0.014 (2)
C330.055 (3)0.060 (3)0.072 (4)0.025 (2)−0.002 (3)0.004 (3)
C340.061 (3)0.058 (3)0.067 (3)0.018 (2)−0.006 (2)0.007 (3)
C350.071 (3)0.069 (3)0.065 (3)0.031 (3)0.010 (3)0.004 (3)
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C370.101 (5)0.111 (5)0.120 (6)0.048 (4)−0.038 (4)0.008 (4)
C380.130 (6)0.174 (7)0.110 (6)0.110 (6)−0.029 (5)−0.014 (5)
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C400.113 (5)0.126 (5)0.103 (5)0.072 (4)−0.035 (4)−0.015 (4)
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C430.087 (4)0.098 (4)0.101 (5)0.056 (3)−0.014 (4)−0.006 (3)
C440.088 (5)0.118 (5)0.121 (6)0.056 (4)−0.023 (4)−0.002 (4)
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C470.137 (8)0.208 (10)0.106 (7)0.084 (7)0.018 (6)0.000 (6)
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O1—H10.822 (11)C26—C271.391 (7)
O2—C51.396 (5)C27—H270.9500
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O3—C91.387 (6)C28—H28A0.9900
O3—C371.426 (7)C28—H28B0.9900
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O4—C381.423 (7)C29—C341.411 (7)
O5—C161.408 (6)C30—C311.411 (7)
O5—C391.421 (7)C31—C321.407 (7)
O6—C191.387 (6)C31—H310.9500
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O7—C231.390 (6)C32—C351.531 (7)
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O8—C261.414 (6)C34—H340.9500
O8—C421.423 (7)C35—H35A0.9900
O9—C301.396 (6)C35—H35B0.9900
O9—C431.447 (7)C36—H36A0.9800
O10—C331.396 (6)C36—H36B0.9800
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N1—H1A0.9102 (12)C38—H38B0.9800
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C1—C351.528 (6)C39—H39B0.9800
C2—C31.404 (6)C39—H39C0.9800
C3—C41.374 (6)C40—H40A0.9800
C3—H30.9500C40—H40B0.9800
C4—C51.412 (7)C40—H40C0.9800
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C5—C61.425 (7)C41—H41B0.9800
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C7—H7A0.9900C42—H42B0.9800
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C12—C131.383 (7)C45—H45A0.9900
C13—H130.9500C45—H45B0.9900
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C14—H14A0.9900C46—H46A0.9900
C14—H14B0.9900C46—H46B0.9900
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C15—C161.420 (7)C47—H47A0.9900
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C21—H21A0.9900C50—H50A0.9900
C21—H21B0.9900C50—H50B0.9900
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C9—O3—C37117.5 (5)C33—C32—C35122.4 (5)
C12—O4—C38117.8 (5)C31—C32—C35119.9 (5)
C16—O5—C39118.3 (5)C34—C33—C32120.7 (5)
C19—O6—C40119.1 (4)C34—C33—O10123.6 (5)
C23—O7—C41117.6 (4)C32—C33—O10115.7 (5)
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C30—O9—C43117.9 (4)C33—C34—H34118.6
C33—O10—C44119.2 (5)C29—C34—H34118.6
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C45—N1—H1B118.2 (13)C1—C35—H35A109.1
C45—N1—H1A118.1 (13)C32—C35—H35A109.1
H1B—N1—H1A95.8 (10)C1—C35—H35B109.1
C6—C1—C2118.0 (4)C32—C35—H35B109.1
C6—C1—C35120.7 (5)H35A—C35—H35B107.9
C2—C1—C35121.4 (4)O2—C36—H36A109.5
O1—C2—C3122.5 (5)O2—C36—H36B109.5
O1—C2—C1117.9 (4)H36A—C36—H36B109.5
C3—C2—C1119.6 (4)O2—C36—H36C109.5
C4—C3—C2123.9 (5)H36A—C36—H36C109.5
C4—C3—H3118.0H36B—C36—H36C109.5
C2—C3—H3118.0O3—C37—H37A109.5
C3—C4—C5116.7 (4)O3—C37—H37B109.5
C3—C4—C7122.6 (5)H37A—C37—H37B109.5
C5—C4—C7120.6 (4)O3—C37—H37C109.5
O2—C5—C4116.5 (4)H37A—C37—H37C109.5
O2—C5—C6122.4 (5)H37B—C37—H37C109.5
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C1—C6—C5120.7 (5)O4—C38—H38B109.5
C1—C6—H6119.6H38A—C38—H38B109.5
C5—C6—H6119.6O4—C38—H38C109.5
C8—C7—C4111.9 (4)H38A—C38—H38C109.5
C8—C7—H7A109.2H38B—C38—H38C109.5
C4—C7—H7A109.2O5—C39—H39A109.5
C8—C7—H7B109.2O5—C39—H39B109.5
C4—C7—H7B109.2H39A—C39—H39B109.5
H7A—C7—H7B107.9O5—C39—H39C109.5
C9—C8—C13117.1 (5)H39A—C39—H39C109.5
C9—C8—C7121.3 (5)H39B—C39—H39C109.5
C13—C8—C7121.5 (5)O6—C40—H40A109.5
O3—C9—C8116.8 (5)O6—C40—H40B109.5
O3—C9—C10122.5 (5)H40A—C40—H40B109.5
C8—C9—C10120.7 (5)O6—C40—H40C109.5
C11—C10—C9121.2 (5)H40A—C40—H40C109.5
C11—C10—H10119.4H40B—C40—H40C109.5
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C12—C11—C14121.9 (5)H41A—C41—H41B109.5
C10—C11—C14120.0 (5)O7—C41—H41C109.5
C13—C12—O4123.2 (5)H41A—C41—H41C109.5
C13—C12—C11120.7 (5)H41B—C41—H41C109.5
O4—C12—C11116.1 (5)O8—C42—H42A109.5
C12—C13—C8122.3 (5)O8—C42—H42B109.5
C12—C13—H13118.8H42A—C42—H42B109.5
C8—C13—H13118.8O8—C42—H42C109.5
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C15—C14—H14A109.1H42B—C42—H42C109.5
C11—C14—H14A109.1O9—C43—H43A109.5
C15—C14—H14B109.1O9—C43—H43B109.5
C11—C14—H14B109.1H43A—C43—H43B109.5
H14A—C14—H14B107.9O9—C43—H43C109.5
C20—C15—C16116.5 (5)H43A—C43—H43C109.5
C20—C15—C14121.5 (5)H43B—C43—H43C109.5
C16—C15—C14122.0 (5)O10—C44—H44A109.5
C17—C16—O5125.5 (5)O10—C44—H44B109.5
C17—C16—C15120.4 (5)H44A—C44—H44B109.5
O5—C16—C15114.2 (5)O10—C44—H44C109.5
C16—C17—C18123.2 (5)H44A—C44—H44C109.5
C16—C17—H17118.4H44B—C44—H44C109.5
C18—C17—H17118.4N1—C45—C46119.9 (7)
C19—C18—C17116.9 (5)N1—C45—H45A107.3
C19—C18—C21122.2 (5)C46—C45—H45A107.3
C17—C18—C21120.8 (4)N1—C45—H45B107.3
O6—C19—C18116.3 (5)C46—C45—H45B107.3
O6—C19—C20123.6 (4)H45A—C45—H45B106.9
C18—C19—C20120.1 (5)C47—C46—C45122.9 (8)
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C15—C20—H20118.6C45—C46—H46A106.6
C19—C20—H20118.6C47—C46—H46B106.6
C18—C21—C22113.7 (4)C45—C46—H46B106.6
C18—C21—H21A108.8H46A—C46—H46B106.6
C22—C21—H21A108.8C46—C47—C48119.4 (8)
C18—C21—H21B108.8C46—C47—H47A107.5
C22—C21—H21B108.8C48—C47—H47A107.5
H21A—C21—H21B107.7C46—C47—H47B107.5
C27—C22—C23117.5 (5)C48—C47—H47B107.5
C27—C22—C21121.0 (4)H47A—C47—H47B107.0
C23—C22—C21121.4 (5)C49—C48—C47120.8 (9)
O7—C23—C22116.6 (5)C49—C48—H48A107.1
O7—C23—C24123.6 (5)C47—C48—H48A107.1
C22—C23—C24119.7 (5)C49—C48—H48B107.1
C25—C24—C23122.8 (5)C47—C48—H48B107.1
C25—C24—H24118.6H48A—C48—H48B106.8
C23—C24—H24118.6C48—C49—C50119.8 (11)
C24—C25—C26116.8 (5)C48—C49—H49A107.4
C24—C25—C28120.6 (4)C50—C49—H49A107.4
C26—C25—C28122.5 (5)C48—C49—H49B107.4
C27—C26—C25121.2 (5)C50—C49—H49B107.4
C27—C26—O8124.3 (5)H49A—C49—H49B106.9
C25—C26—O8114.4 (5)C51—C50—C49123.4 (13)
C26—C27—C22122.0 (5)C51—C50—H50A106.5
C26—C27—H27119.0C49—C50—H50A106.5
C22—C27—H27119.0C51—C50—H50B106.5
C25—C28—C29110.9 (4)C49—C50—H50B106.5
C25—C28—H28A109.5H50A—C50—H50B106.5
C29—C28—H28A109.5C50—C51—C52130.4 (16)
C25—C28—H28B109.5C50—C51—H51A104.7
C29—C28—H28B109.5C52—C51—H51A104.7
H28A—C28—H28B108.0C50—C51—H51B104.7
C30—C29—C34116.6 (5)C52—C51—H51B104.7
C30—C29—C28122.4 (5)H51A—C51—H51B105.7
C34—C29—C28121.1 (5)C51—C52—H52A109.5
O9—C30—C29115.1 (5)C51—C52—H52B109.5
O9—C30—C31124.0 (5)H52A—C52—H52B109.5
C29—C30—C31120.9 (5)C51—C52—H52C109.5
C32—C31—C30121.5 (5)H52A—C52—H52C109.5
C32—C31—H31119.2H52B—C52—H52C109.5
C6—C1—C2—O1−179.9 (4)C16—C15—C20—C193.5 (7)
C35—C1—C2—O1−1.1 (7)C14—C15—C20—C19−176.3 (4)
C6—C1—C2—C3−0.3 (7)O6—C19—C20—C15177.5 (5)
C35—C1—C2—C3178.5 (5)C18—C19—C20—C15−2.9 (8)
O1—C2—C3—C4178.3 (5)C19—C18—C21—C22−90.5 (6)
C1—C2—C3—C4−1.3 (8)C17—C18—C21—C2285.6 (6)
C2—C3—C4—C51.6 (7)C18—C21—C22—C2791.1 (6)
C2—C3—C4—C7−176.4 (5)C18—C21—C22—C23−87.4 (6)
C36—O2—C5—C4−178.5 (5)C41—O7—C23—C22−177.5 (6)
C36—O2—C5—C60.6 (7)C41—O7—C23—C243.5 (9)
C3—C4—C5—O2178.7 (4)C27—C22—C23—O7−179.4 (4)
C7—C4—C5—O2−3.3 (7)C21—C22—C23—O7−0.8 (7)
C3—C4—C5—C6−0.4 (7)C27—C22—C23—C24−0.3 (7)
C7—C4—C5—C6177.6 (4)C21—C22—C23—C24178.3 (4)
C2—C1—C6—C51.4 (7)O7—C23—C24—C25178.1 (5)
C35—C1—C6—C5−177.4 (4)C22—C23—C24—C25−0.9 (8)
O2—C5—C6—C1179.8 (4)C23—C24—C25—C261.1 (7)
C4—C5—C6—C1−1.1 (7)C23—C24—C25—C28−176.3 (4)
C3—C4—C7—C893.5 (6)C24—C25—C26—C27−0.1 (7)
C5—C4—C7—C8−84.4 (6)C28—C25—C26—C27177.3 (4)
C4—C7—C8—C9−85.0 (6)C24—C25—C26—O8−179.7 (4)
C4—C7—C8—C1391.6 (5)C28—C25—C26—O8−2.3 (7)
C37—O3—C9—C8153.9 (5)C42—O8—C26—C27−14.8 (8)
C37—O3—C9—C10−26.7 (7)C42—O8—C26—C25164.8 (5)
C13—C8—C9—O3−179.6 (4)C25—C26—C27—C22−1.2 (8)
C7—C8—C9—O3−2.8 (6)O8—C26—C27—C22178.3 (5)
C13—C8—C9—C101.0 (7)C23—C22—C27—C261.4 (7)
C7—C8—C9—C10177.8 (4)C21—C22—C27—C26−177.2 (4)
O3—C9—C10—C11179.0 (4)C24—C25—C28—C2982.2 (6)
C8—C9—C10—C11−1.7 (7)C26—C25—C28—C29−95.1 (5)
C9—C10—C11—C121.4 (7)C25—C28—C29—C30−90.2 (5)
C9—C10—C11—C14−176.9 (4)C25—C28—C29—C3487.3 (5)
C38—O4—C12—C139.0 (8)C43—O9—C30—C29−179.0 (4)
C38—O4—C12—C11−173.3 (5)C43—O9—C30—C310.2 (7)
C10—C11—C12—C13−0.6 (7)C34—C29—C30—O9179.8 (4)
C14—C11—C12—C13177.7 (4)C28—C29—C30—O9−2.5 (6)
C10—C11—C12—O4−178.3 (4)C34—C29—C30—C310.7 (6)
C14—C11—C12—O40.0 (7)C28—C29—C30—C31178.3 (4)
O4—C12—C13—C8177.5 (4)O9—C30—C31—C32−179.8 (4)
C11—C12—C13—C80.0 (7)C29—C30—C31—C32−0.7 (7)
C9—C8—C13—C12−0.2 (7)C30—C31—C32—C330.0 (6)
C7—C8—C13—C12−177.0 (4)C30—C31—C32—C35−178.3 (4)
C12—C11—C14—C15−94.5 (5)C31—C32—C33—C340.7 (7)
C10—C11—C14—C1583.8 (6)C35—C32—C33—C34179.0 (4)
C11—C14—C15—C2096.3 (6)C31—C32—C33—O10179.9 (4)
C11—C14—C15—C16−83.4 (6)C35—C32—C33—O10−1.8 (6)
C39—O5—C16—C17−9.9 (8)C44—O10—C33—C342.3 (7)
C39—O5—C16—C15169.1 (5)C44—O10—C33—C32−176.9 (5)
C20—C15—C16—C17−2.9 (7)C32—C33—C34—C29−0.8 (7)
C14—C15—C16—C17176.8 (5)O10—C33—C34—C29−179.9 (4)
C20—C15—C16—O5178.0 (4)C30—C29—C34—C330.0 (7)
C14—C15—C16—O5−2.3 (7)C28—C29—C34—C33−177.6 (4)
O5—C16—C17—C18−179.1 (5)C6—C1—C35—C3284.2 (6)
C15—C16—C17—C181.9 (8)C2—C1—C35—C32−94.6 (6)
C16—C17—C18—C19−1.2 (8)C33—C32—C35—C1−84.7 (6)
C16—C17—C18—C21−177.5 (5)C31—C32—C35—C193.5 (5)
C40—O6—C19—C18−168.9 (5)N1—C45—C46—C47175.8 (8)
C40—O6—C19—C2010.7 (8)C45—C46—C47—C48−179.2 (9)
C17—C18—C19—O6−178.8 (4)C46—C47—C48—C49172.4 (10)
C21—C18—C19—O6−2.5 (7)C47—C48—C49—C50179.8 (10)
C17—C18—C19—C201.6 (7)C48—C49—C50—C51103.8 (18)
C21—C18—C19—C20177.9 (4)C49—C50—C51—C5230 (3)
D—H···AD—HH···AD···AD—H···A
O11—H11A···N10.83 (2)1.98 (5)2.770 (10)159 (7)
O11—H11B···O10.80 (10)2.40 (10)3.060 (10)145 (10)
O1—H1···O11i0.82 (5)1.90 (5)2.711 (7)168 (9)
  7 in total

1.  Constitutional Isomers of Pentahydroxy-Functionalized Pillar[5]arenes: Synthesis, Characterization, and Crystal Structures.

Authors:  Talal F Al-Azemi; Mickey Vinodh; Fatemeh H Alipour; Abdirahman A Mohamod
Journal:  J Org Chem       Date:  2017-10-09       Impact factor: 4.354

2.  A1/A2-Diamino-Substituted Pillar[5]arene-Based Acid-Base-Responsive Host-Guest System.

Authors:  Wei-Bo Hu; Wen-Jing Hu; Xiao-Li Zhao; Yahu A Liu; Jiu-Sheng Li; Biao Jiang; Ke Wen
Journal:  J Org Chem       Date:  2016-04-27       Impact factor: 4.354

3.  DIBPillar[n]arenes (n = 5, 6): syntheses, X-ray crystal structures, and complexation with n-octyltriethyl ammonium hexafluorophosphate.

Authors:  Chengyou Han; Fengying Ma; Zibin Zhang; Binyuan Xia; Yihua Yu; Feihe Huang
Journal:  Org Lett       Date:  2010-10-01       Impact factor: 6.005

4.  Activation-Enabled Syntheses of Functionalized Pillar[5]arene Derivatives.

Authors:  Jie Han; Xisen Hou; Chenfeng Ke; Huacheng Zhang; Nathan L Strutt; Charlotte L Stern; J Fraser Stoddart
Journal:  Org Lett       Date:  2015-06-17       Impact factor: 6.005

5.  para-Bridged symmetrical pillar[5]arenes: their Lewis acid catalyzed synthesis and host-guest property.

Authors:  Tomoki Ogoshi; Suguru Kanai; Shuhei Fujinami; Tada-aki Yamagishi; Yoshiaki Nakamoto
Journal:  J Am Chem Soc       Date:  2008-03-22       Impact factor: 15.419

6.  ShelXle: a Qt graphical user interface for SHELXL.

Authors:  Christian B Hübschle; George M Sheldrick; Birger Dittrich
Journal:  J Appl Crystallogr       Date:  2011-11-12       Impact factor: 3.304

7.  SHELXT - integrated space-group and crystal-structure determination.

Authors:  George M Sheldrick
Journal:  Acta Crystallogr A Found Adv       Date:  2015-01-01       Impact factor: 2.290

  7 in total

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