Literature DB >> 21588290

Tetra-butyl-ammonium N-benzoyl-6-nitro-1,3-benzothia-zol-2-aminide.

Quynh Pham Bao Nguyen1, Sung Ok Kang, Taek Hyeon Kim.   

Abstract

In the title salt, C(16)H(36)N(+)·C(14)H(8)N(3)O(3)S(-), the torsion angles within the cation reveal that one butyl group displays an anti conformation and the other three butyl groups show gauche conformations. The anion is almost planar, with a largest deviation of 0.166 (6) Å from the least-squares plane (r.m.s. deviation of fitted atoms = 0.052 Å). In the crystal structure, the component ions inter-act by means of weak inter-molecular C-H⋯O hydrogen bonds.

Entities:  

Year:  2010        PMID: 21588290      PMCID: PMC3007408          DOI: 10.1107/S1600536810026504

Source DB:  PubMed          Journal:  Acta Crystallogr Sect E Struct Rep Online        ISSN: 1600-5368


Related literature

For the development of colorimetric chemosensors, see: Coll et al. (2007 ▶); Evans et al. (2006 ▶). For similar deprotonation reactions, see: Kang et al. (2009 ▶).

Experimental

Crystal data

C16H36N+·C14H8N3O3S− M = 540.75 Monoclinic, a = 7.9234 (7) Å b = 25.059 (2) Å c = 15.4916 (14) Å β = 97.699 (2)° V = 3048.2 (5) Å3 Z = 4 Mo Kα radiation μ = 0.14 mm−1 T = 223 K 0.22 × 0.11 × 0.10 mm

Data collection

Bruker SMART 1000 CCD diffractometer Absorption correction: multi-scan (SADABS; Bruker, 2000 ▶) T min = 0.979, T max = 0.988 11371 measured reflections 5730 independent reflections 2547 reflections with I > 2σ(I) R int = 0.076

Refinement

R[F 2 > 2σ(F 2)] = 0.069 wR(F 2) = 0.169 S = 0.95 5730 reflections 347 parameters 2 restraints H-atom parameters constrained Δρmax = 0.25 e Å−3 Δρmin = −0.19 e Å−3 Absolute structure: Flack (1983 ▶), 1908 Friedel pairs Flack parameter: 0.08 (12) Data collection: SMART (Bruker, 2000 ▶); cell refinement: SAINT (Bruker, 2000 ▶); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008 ▶); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008 ▶); molecular graphics: ORTEP-3 (Farrugia, 1997 ▶) and PLATON (Spek, 2009 ▶); software used to prepare material for publication: SHELXL97. Crystal structure: contains datablocks global, I. DOI: 10.1107/S1600536810026504/lx2157sup1.cif Structure factors: contains datablocks I. DOI: 10.1107/S1600536810026504/lx2157Isup2.hkl Additional supplementary materials: crystallographic information; 3D view; checkCIF report
C16H36N+·C14H8N3O3SF(000) = 1168
Mr = 540.75Dx = 1.178 Mg m3
Monoclinic, CcMo Kα radiation, λ = 0.71073 Å
Hall symbol: C -2ycCell parameters from 1597 reflections
a = 7.9234 (7) Åθ = 2.7–19.4°
b = 25.059 (2) ŵ = 0.14 mm1
c = 15.4916 (14) ÅT = 223 K
β = 97.699 (2)°Block, yellow
V = 3048.2 (5) Å30.22 × 0.11 × 0.10 mm
Z = 4
Bruker SMART 1000 CCD diffractometer5730 independent reflections
Radiation source: fine-focus sealed tube2547 reflections with I > 2σ(I)
graphiteRint = 0.076
φ and ω scansθmax = 28.3°, θmin = 2.1°
Absorption correction: multi-scan (SADABS; Bruker, 2000)h = −9→10
Tmin = 0.979, Tmax = 0.988k = −33→29
11371 measured reflectionsl = −19→20
Refinement on F2Secondary atom site location: difference Fourier map
Least-squares matrix: fullHydrogen site location: inferred from neighbouring sites
R[F2 > 2σ(F2)] = 0.069H-atom parameters constrained
wR(F2) = 0.169w = 1/[σ2(Fo2) + (0.0566P)2] where P = (Fo2 + 2Fc2)/3
S = 0.95(Δ/σ)max < 0.001
5730 reflectionsΔρmax = 0.25 e Å3
347 parametersΔρmin = −0.19 e Å3
2 restraintsAbsolute structure: Flack (1983), 1908 Friedel pairs
Primary atom site location: structure-invariant direct methodsFlack parameter: 0.08 (12)
Geometry. All e.s.d.'s (except the e.s.d. in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell e.s.d.'s are taken into account individually in the estimation of e.s.d.'s in distances, angles and torsion angles; correlations between e.s.d.'s in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell e.s.d.'s is used for estimating e.s.d.'s involving l.s. planes.
Refinement. Refinement of F2 against ALL reflections. The weighted R-factor wR and goodness of fit S are based on F2, conventional R-factors R are based on F, with F set to zero for negative F2. The threshold expression of F2 > σ(F2) is used only for calculating R-factors(gt) etc. and is not relevant to the choice of reflections for refinement. R-factors based on F2 are statistically about twice as large as those based on F, and R- factors based on ALL data will be even larger.
xyzUiso*/Ueq
S10.70508 (16)0.32664 (5)0.33449 (9)0.0502 (4)
O10.6825 (5)0.22458 (14)0.3155 (3)0.0623 (11)
O20.8146 (9)0.57535 (19)0.3706 (4)0.131 (2)
O30.8142 (7)0.52224 (19)0.4779 (4)0.0984 (16)
N10.6279 (5)0.26786 (17)0.1823 (3)0.0505 (11)
N20.6516 (5)0.36006 (18)0.1718 (3)0.0521 (11)
N30.7979 (7)0.5308 (2)0.3993 (5)0.0829 (16)
C10.6094 (7)0.1727 (2)0.1884 (4)0.0573 (15)
C20.6156 (8)0.1257 (2)0.2357 (5)0.0767 (19)
H20.64050.12720.29670.092*
C30.5860 (10)0.0768 (3)0.1957 (6)0.102 (3)
H30.58660.04540.22900.123*
C40.5553 (9)0.0746 (3)0.1050 (7)0.099 (3)
H40.53790.04150.07670.119*
C50.5504 (9)0.1211 (3)0.0569 (5)0.088 (2)
H50.53190.1197−0.00430.106*
C60.5723 (7)0.1689 (2)0.0985 (4)0.0640 (16)
H60.56210.20040.06520.077*
C70.6423 (6)0.2240 (2)0.2350 (4)0.0521 (14)
C80.6573 (6)0.3158 (2)0.2190 (3)0.0472 (14)
C90.7132 (6)0.3942 (2)0.3138 (3)0.0457 (13)
C100.7471 (7)0.4359 (2)0.3727 (4)0.0544 (14)
H100.76500.42950.43300.065*
C110.7536 (7)0.4870 (2)0.3401 (4)0.0628 (17)
C120.7267 (8)0.4976 (2)0.2513 (5)0.0748 (19)
H120.73190.53290.23110.090*
C130.6920 (8)0.4558 (2)0.1925 (4)0.0687 (17)
H130.67450.46250.13220.082*
C140.6833 (6)0.4036 (2)0.2238 (4)0.0486 (13)
N40.1005 (5)0.30363 (16)0.0850 (3)0.0481 (10)
C150.2355 (7)0.3308 (2)0.0382 (4)0.0585 (15)
H15A0.34730.32440.07210.070*
H15B0.23560.3136−0.01850.070*
C160.2155 (8)0.3893 (2)0.0237 (4)0.080 (2)
H16A0.21580.40730.07990.096*
H16B0.10580.3964−0.01160.096*
C170.3571 (8)0.4115 (3)−0.0218 (5)0.093 (2)
H17A0.35650.3932−0.07770.111*
H17B0.46650.40400.01370.111*
C180.3428 (11)0.4709 (3)−0.0380 (8)0.179 (5)
H18A0.34980.48960.01730.268*
H18B0.23450.4788−0.07270.268*
H18C0.43500.4826−0.06890.268*
C190.0817 (6)0.3310 (2)0.1697 (3)0.0524 (14)
H19A−0.00170.31120.19840.063*
H19B0.03520.36680.15670.063*
C200.2431 (7)0.3364 (2)0.2329 (4)0.0604 (15)
H20A0.32980.35480.20440.073*
H20B0.28660.30080.25030.073*
C210.2101 (9)0.3676 (3)0.3135 (4)0.0762 (19)
H21A0.10710.35340.33380.091*
H21B0.30530.36150.35970.091*
C220.1894 (11)0.4244 (3)0.3004 (6)0.117 (3)
H22A0.28980.43890.27930.176*
H22B0.17440.44130.35510.176*
H22C0.09020.43110.25790.176*
C230.1534 (6)0.2459 (2)0.0986 (4)0.0578 (15)
H23A0.26730.24500.13220.069*
H23B0.16200.23000.04150.069*
C240.0357 (7)0.21084 (19)0.1452 (5)0.0713 (19)
H24A0.03260.22490.20400.086*
H24B−0.08000.21280.11380.086*
C250.0915 (9)0.1527 (3)0.1516 (6)0.100 (2)
H25A0.21430.15170.17110.120*
H25B0.03490.13550.19670.120*
C260.0580 (11)0.1222 (3)0.0743 (6)0.130 (3)
H26A0.11300.13880.02880.195*
H26B−0.06390.12070.05620.195*
H26C0.10200.08640.08500.195*
C27−0.0763 (6)0.3079 (2)0.0309 (3)0.0546 (14)
H27A−0.16130.29420.06570.066*
H27B−0.10170.34570.01910.066*
C28−0.0946 (8)0.2782 (3)−0.0552 (4)0.095 (2)
H28A0.00290.2864−0.08570.114*
H28B−0.09470.2397−0.04410.114*
C29−0.2574 (10)0.2935 (3)−0.1122 (5)0.098 (2)
H29A−0.25810.3323−0.11990.117*
H29B−0.25600.2773−0.16970.117*
C30−0.4061 (10)0.2790 (4)−0.0820 (5)0.132 (3)
H30A−0.40540.2921−0.02310.198*
H30B−0.41590.2404−0.08240.198*
H30C−0.50210.2942−0.11940.198*
U11U22U33U12U13U23
S10.0514 (8)0.0594 (7)0.0391 (7)0.0010 (8)0.0035 (6)0.0034 (7)
O10.078 (3)0.066 (2)0.042 (3)−0.003 (2)0.006 (2)0.003 (2)
O20.220 (7)0.058 (3)0.109 (5)−0.020 (3)0.003 (4)−0.002 (3)
O30.130 (5)0.089 (3)0.073 (4)0.000 (3)0.000 (3)−0.023 (3)
N10.050 (3)0.059 (3)0.044 (3)0.003 (2)0.008 (2)−0.001 (2)
N20.050 (3)0.062 (3)0.044 (3)0.002 (2)0.004 (2)0.006 (2)
N30.095 (4)0.071 (4)0.079 (5)−0.004 (3)−0.001 (3)−0.008 (4)
C10.045 (3)0.065 (4)0.063 (4)−0.001 (3)0.007 (3)−0.001 (4)
C20.090 (5)0.054 (4)0.082 (5)−0.015 (3)−0.001 (4)−0.008 (4)
C30.124 (7)0.068 (5)0.110 (8)−0.012 (4)0.001 (6)0.006 (5)
C40.091 (6)0.097 (6)0.108 (7)−0.029 (5)0.010 (5)−0.031 (6)
C50.094 (6)0.096 (5)0.076 (5)−0.016 (4)0.016 (4)−0.030 (5)
C60.056 (4)0.074 (4)0.060 (4)−0.004 (3)0.004 (3)−0.012 (4)
C70.034 (3)0.066 (4)0.057 (4)0.002 (3)0.012 (3)−0.001 (3)
C80.033 (3)0.069 (4)0.041 (3)0.006 (3)0.009 (2)0.005 (3)
C90.038 (3)0.059 (3)0.041 (4)−0.003 (3)0.004 (3)0.001 (3)
C100.050 (3)0.063 (4)0.049 (4)0.005 (3)0.003 (3)0.002 (3)
C110.071 (5)0.052 (3)0.064 (4)0.000 (3)0.005 (4)−0.011 (4)
C120.091 (5)0.062 (4)0.069 (5)0.007 (3)0.001 (4)0.014 (4)
C130.084 (5)0.061 (4)0.059 (4)−0.003 (3)0.001 (3)0.010 (3)
C140.044 (3)0.054 (3)0.048 (4)0.007 (3)0.002 (3)0.008 (3)
N40.035 (2)0.068 (3)0.041 (3)0.004 (2)0.0049 (19)−0.007 (2)
C150.048 (3)0.075 (4)0.054 (4)−0.003 (3)0.011 (3)−0.001 (3)
C160.061 (4)0.100 (5)0.081 (5)0.008 (4)0.017 (4)0.031 (4)
C170.057 (4)0.128 (6)0.089 (6)−0.023 (4)−0.002 (4)0.039 (5)
C180.107 (8)0.141 (7)0.284 (15)−0.005 (6)0.013 (8)0.150 (9)
C190.044 (3)0.071 (3)0.043 (3)0.001 (3)0.007 (3)−0.005 (3)
C200.049 (3)0.073 (4)0.058 (4)−0.006 (3)0.003 (3)−0.003 (3)
C210.064 (4)0.105 (5)0.056 (5)−0.006 (4)−0.003 (3)−0.023 (4)
C220.101 (6)0.095 (5)0.154 (10)−0.012 (5)0.011 (6)−0.050 (6)
C230.038 (3)0.057 (3)0.076 (4)0.005 (3)0.000 (3)−0.005 (3)
C240.051 (4)0.058 (3)0.103 (6)−0.002 (3)0.004 (4)0.006 (4)
C250.079 (5)0.090 (5)0.127 (8)0.000 (4)−0.003 (5)0.003 (5)
C260.134 (8)0.134 (6)0.111 (8)0.058 (6)−0.027 (6)−0.051 (6)
C270.038 (3)0.081 (4)0.044 (3)0.007 (3)0.000 (2)−0.006 (3)
C280.058 (4)0.175 (7)0.048 (4)0.002 (4)−0.008 (3)−0.024 (4)
C290.094 (6)0.125 (6)0.067 (5)−0.027 (5)−0.014 (4)−0.006 (5)
C300.069 (5)0.238 (11)0.084 (6)0.004 (6)−0.012 (4)−0.033 (7)
S1—C91.725 (5)C17—H17A0.9800
S1—C81.799 (5)C17—H17B0.9800
O1—C71.245 (6)C18—H18A0.9700
O2—N31.216 (7)C18—H18B0.9700
O3—N31.226 (7)C18—H18C0.9700
N1—C81.335 (6)C19—C201.509 (7)
N1—C71.365 (7)C19—H19A0.9800
N2—C81.327 (6)C19—H19B0.9800
N2—C141.360 (7)C20—C211.525 (8)
N3—C111.441 (7)C20—H20A0.9800
C1—C21.383 (8)C20—H20B0.9800
C1—C61.388 (8)C21—C221.444 (8)
C1—C71.480 (7)C21—H21A0.9800
C2—C31.380 (8)C21—H21B0.9800
C2—H20.9400C22—H22A0.9700
C3—C41.394 (11)C22—H22B0.9700
C3—H30.9400C22—H22C0.9700
C4—C51.380 (10)C23—C241.530 (7)
C4—H40.9400C23—H23A0.9800
C5—C61.361 (8)C23—H23B0.9800
C5—H50.9400C24—C251.521 (8)
C6—H60.9400C24—H24A0.9800
C9—C101.390 (7)C24—H24B0.9800
C9—C141.402 (7)C25—C261.415 (10)
C10—C111.381 (7)C25—H25A0.9800
C10—H100.9400C25—H25B0.9800
C11—C121.388 (8)C26—H26A0.9700
C12—C131.394 (8)C26—H26B0.9700
C12—H120.9400C26—H26C0.9700
C13—C141.398 (7)C27—C281.517 (8)
C13—H130.9400C27—H27A0.9800
N4—C191.505 (6)C27—H27B0.9800
N4—C231.513 (6)C28—C291.511 (9)
N4—C151.531 (6)C28—H28A0.9800
N4—C271.537 (6)C28—H28B0.9800
C15—C161.487 (7)C29—C301.373 (9)
C15—H15A0.9800C29—H29A0.9800
C15—H15B0.9800C29—H29B0.9800
C16—C171.509 (8)C30—H30A0.9700
C16—H16A0.9800C30—H30B0.9700
C16—H16B0.9800C30—H30C0.9700
C17—C181.511 (9)
C9—S1—C888.4 (3)C17—C18—H18C109.5
C8—N1—C7118.3 (5)H18A—C18—H18C109.5
C8—N2—C14110.8 (5)H18B—C18—H18C109.5
O2—N3—O3121.4 (7)N4—C19—C20115.6 (4)
O2—N3—C11119.7 (7)N4—C19—H19A108.4
O3—N3—C11118.9 (6)C20—C19—H19A108.4
C2—C1—C6117.5 (6)N4—C19—H19B108.4
C2—C1—C7119.3 (6)C20—C19—H19B108.4
C6—C1—C7123.2 (5)H19A—C19—H19B107.4
C3—C2—C1121.7 (7)C19—C20—C21110.7 (5)
C3—C2—H2119.1C19—C20—H20A109.5
C1—C2—H2119.1C21—C20—H20A109.5
C2—C3—C4119.0 (7)C19—C20—H20B109.5
C2—C3—H3120.5C21—C20—H20B109.5
C4—C3—H3120.5H20A—C20—H20B108.1
C5—C4—C3120.0 (7)C22—C21—C20114.8 (6)
C5—C4—H4120.0C22—C21—H21A108.6
C3—C4—H4120.0C20—C21—H21A108.6
C6—C5—C4119.6 (8)C22—C21—H21B108.6
C6—C5—H5120.2C20—C21—H21B108.6
C4—C5—H5120.2H21A—C21—H21B107.5
C5—C6—C1122.1 (6)C21—C22—H22A109.5
C5—C6—H6118.9C21—C22—H22B109.5
C1—C6—H6118.9H22A—C22—H22B109.5
O1—C7—N1125.4 (6)C21—C22—H22C109.5
O1—C7—C1120.2 (6)H22A—C22—H22C109.5
N1—C7—C1114.4 (5)H22B—C22—H22C109.5
N2—C8—N1121.7 (5)N4—C23—C24116.1 (4)
N2—C8—S1114.1 (4)N4—C23—H23A108.3
N1—C8—S1124.2 (4)C24—C23—H23A108.3
C10—C9—C14121.2 (5)N4—C23—H23B108.3
C10—C9—S1128.6 (4)C24—C23—H23B108.3
C14—C9—S1110.2 (4)H23A—C23—H23B107.4
C11—C10—C9118.1 (5)C25—C24—C23113.0 (5)
C11—C10—H10120.9C25—C24—H24A109.0
C9—C10—H10120.9C23—C24—H24A109.0
C10—C11—C12122.1 (6)C25—C24—H24B109.0
C10—C11—N3119.4 (6)C23—C24—H24B109.0
C12—C11—N3118.5 (6)H24A—C24—H24B107.8
C11—C12—C13119.6 (6)C26—C25—C24116.2 (7)
C11—C12—H12120.2C26—C25—H25A108.2
C13—C12—H12120.2C24—C25—H25A108.2
C12—C13—C14119.4 (6)C26—C25—H25B108.2
C12—C13—H13120.3C24—C25—H25B108.2
C14—C13—H13120.3H25A—C25—H25B107.4
N2—C14—C13123.9 (5)C25—C26—H26A109.5
N2—C14—C9116.5 (5)C25—C26—H26B109.5
C13—C14—C9119.6 (6)H26A—C26—H26B109.5
C19—N4—C23111.9 (4)C25—C26—H26C109.5
C19—N4—C15111.5 (4)H26A—C26—H26C109.5
C23—N4—C15107.1 (4)H26B—C26—H26C109.5
C19—N4—C27104.7 (4)C28—C27—N4114.7 (4)
C23—N4—C27111.0 (4)C28—C27—H27A108.6
C15—N4—C27110.7 (4)N4—C27—H27A108.6
C16—C15—N4116.3 (4)C28—C27—H27B108.6
C16—C15—H15A108.2N4—C27—H27B108.6
N4—C15—H15A108.2H27A—C27—H27B107.6
C16—C15—H15B108.2C29—C28—C27111.3 (6)
N4—C15—H15B108.2C29—C28—H28A109.4
H15A—C15—H15B107.4C27—C28—H28A109.4
C15—C16—C17111.3 (5)C29—C28—H28B109.4
C15—C16—H16A109.4C27—C28—H28B109.4
C17—C16—H16A109.4H28A—C28—H28B108.0
C15—C16—H16B109.4C30—C29—C28116.0 (7)
C17—C16—H16B109.4C30—C29—H29A108.3
H16A—C16—H16B108.0C28—C29—H29A108.3
C16—C17—C18113.4 (6)C30—C29—H29B108.3
C16—C17—H17A108.9C28—C29—H29B108.3
C18—C17—H17A108.9H29A—C29—H29B107.4
C16—C17—H17B108.9C29—C30—H30A109.5
C18—C17—H17B108.9C29—C30—H30B109.5
H17A—C17—H17B107.7H30A—C30—H30B109.5
C17—C18—H18A109.5C29—C30—H30C109.5
C17—C18—H18B109.5H30A—C30—H30C109.5
H18A—C18—H18B109.5H30B—C30—H30C109.5
C6—C1—C2—C3−0.1 (9)N3—C11—C12—C13176.9 (6)
C7—C1—C2—C3−179.9 (6)C11—C12—C13—C140.5 (9)
C1—C2—C3—C42.4 (11)C8—N2—C14—C13177.6 (5)
C2—C3—C4—C5−1.7 (12)C8—N2—C14—C9−0.6 (6)
C3—C4—C5—C6−1.3 (11)C12—C13—C14—N2−179.4 (5)
C4—C5—C6—C13.7 (10)C12—C13—C14—C9−1.3 (8)
C2—C1—C6—C5−3.0 (8)C10—C9—C14—N2179.9 (5)
C7—C1—C6—C5176.9 (5)S1—C9—C14—N21.2 (6)
C8—N1—C7—O1−0.6 (7)C10—C9—C14—C131.7 (8)
C8—N1—C7—C1−179.3 (4)S1—C9—C14—C13−177.1 (4)
C2—C1—C7—O13.1 (8)C19—N4—C15—C16−53.1 (6)
C6—C1—C7—O1−176.7 (5)C23—N4—C15—C16−175.8 (5)
C2—C1—C7—N1−178.1 (5)C27—N4—C15—C1663.1 (6)
C6—C1—C7—N12.0 (7)N4—C15—C16—C17179.3 (6)
C14—N2—C8—N1179.1 (4)C15—C16—C17—C18−179.9 (7)
C14—N2—C8—S1−0.3 (5)C23—N4—C19—C2064.5 (5)
C7—N1—C8—N2177.6 (4)C15—N4—C19—C20−55.4 (6)
C7—N1—C8—S1−3.1 (6)C27—N4—C19—C20−175.2 (5)
C9—S1—C8—N20.8 (4)N4—C19—C20—C21176.5 (5)
C9—S1—C8—N1−178.5 (4)C19—C20—C21—C22−74.8 (7)
C8—S1—C9—C10−179.7 (5)C19—N4—C23—C2457.3 (6)
C8—S1—C9—C14−1.0 (4)C15—N4—C23—C24179.7 (5)
C14—C9—C10—C11−1.2 (8)C27—N4—C23—C24−59.3 (6)
S1—C9—C10—C11177.3 (4)N4—C23—C24—C25176.6 (5)
C9—C10—C11—C120.4 (8)C23—C24—C25—C26−75.7 (8)
C9—C10—C11—N3−176.5 (5)C19—N4—C27—C28−174.3 (5)
O2—N3—C11—C10175.3 (6)C23—N4—C27—C28−53.4 (6)
O3—N3—C11—C10−6.4 (9)C15—N4—C27—C2865.4 (6)
O2—N3—C11—C12−1.7 (9)N4—C27—C28—C29−168.3 (5)
O3—N3—C11—C12176.6 (6)C27—C28—C29—C30−65.9 (9)
C10—C11—C12—C13−0.1 (9)
D—H···AD—HH···AD···AD—H···A
C28—H28A···O1i0.982.243.166 (8)157
C29—H29A···O2ii0.982.393.353 (9)166
Table 1

Hydrogen-bond geometry (Å, °)

D—H⋯AD—HH⋯ADAD—H⋯A
C28—H28A⋯O1i0.982.243.166 (8)157
C29—H29A⋯O2ii0.982.393.353 (9)166

Symmetry codes: (i) ; (ii) .

  4 in total

1.  A simple approach for the selective and sensitive colorimetric detection of anionic surfactants in water.

Authors:  Carmen Coll; Ramón Martínez-Máñez; M Dolores Marcos; Félix Sancenón; Juan Soto
Journal:  Angew Chem Int Ed Engl       Date:  2007       Impact factor: 15.336

2.  A short history of SHELX.

Authors:  George M Sheldrick
Journal:  Acta Crystallogr A       Date:  2007-12-21       Impact factor: 2.290

3.  Anion binding vs. deprotonation in colorimetric pyrrolylamidothiourea based anion sensors.

Authors:  Louise S Evans; Philip A Gale; Mark E Light; Roberto Quesada
Journal:  Chem Commun (Camb)       Date:  2006-01-23       Impact factor: 6.222

4.  Structure validation in chemical crystallography.

Authors:  Anthony L Spek
Journal:  Acta Crystallogr D Biol Crystallogr       Date:  2009-01-20
  4 in total

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