Literature DB >> 21522612

(5SR,10SR,15SR)-Trimethyl 5H,10H,15H-diindeno-[1,2-a:1',2'-c]fluorene-5,10,15-tricarboxyl-ate 0.167-hydrate.

Melissa C Menard1, Frank R Fronczek, Steven F Watkins, Raj K Dhar.   

Abstract

The title compound, C(33)H(24)O(6)·0.17H(2)O, which is commonly known as (SR,SR,SR)-trimethyl 1,10,19-truxentricarboxyl-ate, crystallizes as a hydrate with the water mol-ecule encapsulated between three ester groups by O-H⋯O hydrogen bonding to two of them. The water mol-ecule site is not fully occupied in the crystal studied, with a refined site occupancy of 0.167 (5). The 27-atom ring system is approximately planar, with a maximum deviation of 0.148 (1) Å, and the three ester substituents are all on the same side of this plane.

Entities:  

Year:  2010        PMID: 21522612      PMCID: PMC3050226          DOI: 10.1107/S1600536810049056

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


Related literature

For general background to bucky balls and bucky bowls, see: Akada et al. (2006 ▶); Amick & Scott (2007 ▶); Berezkin (2006 ▶); Billups & Ciufolini (1993 ▶); Emsley (1980 ▶); Kroto et al. (1985 ▶); Narozhnyi et al. (2003 ▶); Mehta & Sarma (2002 ▶); Rao (1998 ▶); Takeda et al. (2006 ▶). For related structures, see: De Frutos et al. (1999 ▶, 2002 ▶).

Experimental

Crystal data

C33H24O6·0.17H2O M = 519.61 Monoclinic, a = 11.8527 (3) Å b = 17.3848 (5) Å c = 12.6466 (3) Å β = 96.857 (2)° V = 2587.28 (12) Å3 Z = 4 Mo Kα radiation μ = 0.09 mm−1 T = 90 K 0.47 × 0.35 × 0.22 mm

Data collection

Nonius KappaCCD diffractometer with an Oxford Cryostreams Cryostream cooler 14739 measured reflections 7544 independent reflections 5513 reflections with I > 2sI) R int = 0.031

Refinement

R[F 2 > 2σ(F 2)] = 0.054 wR(F 2) = 0.144 S = 1.04 7544 reflections 365 parameters H-atom parameters constrained Δρmax = 0.47 e Å−3 Δρmin = −0.26 e Å−3 Data collection: COLLECT (Nonius, 2000 ▶); cell refinement: SCALEPACK (Otwinowski & Minor, 1997 ▶); data reduction: DENZO (Otwinowski & Minor, 1997 ▶) and SCALEPACK; program(s) used to solve structure: SHELXS86 (Sheldrick, 2008 ▶); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008 ▶); molecular graphics: ORTEP-3 for Windows (Farrugia, 1997 ▶); software used to prepare material for publication: WinGX (Farrugia, 1999 ▶). Crystal structure: contains datablocks global, I. DOI: 10.1107/S1600536810049056/bh2320sup1.cif Structure factors: contains datablocks I. DOI: 10.1107/S1600536810049056/bh2320Isup2.hkl Additional supplementary materials: crystallographic information; 3D view; checkCIF report
C33H24O6·0.17H2OF(000) = 1087
Mr = 519.61Dx = 1.334 Mg m3
Monoclinic, P21/nMo Kα radiation, λ = 0.71073 Å
Hall symbol: -P 2ynCell parameters from 7563 reflections
a = 11.8527 (3) Åθ = 2.6–30.0°
b = 17.3848 (5) ŵ = 0.09 mm1
c = 12.6466 (3) ÅT = 90 K
β = 96.857 (2)°Prism, yellow
V = 2587.28 (12) Å30.47 × 0.35 × 0.22 mm
Z = 4
Nonius KappaCCD diffractometer with an Oxford Cryostreams Cryostream coolerRint = 0.031
ω and φ scansθmax = 30.0°, θmin = 2.8°
14739 measured reflectionsh = −16→16
7544 independent reflectionsk = −24→24
5513 reflections with I > 2s˘I)l = −17→17
Refinement on F20 restraints
Least-squares matrix: full0 constraints
R[F2 > 2σ(F2)] = 0.054H-atom parameters constrained
wR(F2) = 0.144w = 1/[σ2(Fo2) + (0.0635P)2 + 1.439P] where P = (Fo2 + 2Fc2)/3
S = 1.04(Δ/σ)max < 0.001
7544 reflectionsΔρmax = 0.47 e Å3
365 parametersΔρmin = −0.26 e Å3
xyzUiso*/UeqOcc. (<1)
C10.79369 (14)0.28910 (9)0.31351 (13)0.0230 (3)
H10.8220.24550.27980.028*
C20.80979 (14)0.29464 (9)0.42416 (13)0.0225 (3)
H20.84840.25470.4650.027*
C30.76940 (13)0.35885 (9)0.47593 (12)0.0193 (3)
H30.78020.36290.55140.023*
C40.71288 (12)0.41658 (8)0.41344 (12)0.0156 (3)
C50.66194 (12)0.48950 (8)0.44248 (11)0.0155 (3)
C60.65626 (12)0.52438 (8)0.54044 (11)0.0152 (3)
C70.70284 (12)0.49746 (9)0.65152 (11)0.0166 (3)
H70.66710.44730.66750.02*
C80.66286 (12)0.56068 (9)0.72253 (12)0.0172 (3)
C90.67516 (13)0.56468 (10)0.83230 (12)0.0215 (3)
H90.71410.52550.87440.026*
C100.62905 (15)0.62756 (10)0.87945 (13)0.0248 (3)
H100.63580.63080.95490.03*
C110.57345 (15)0.68576 (10)0.81902 (13)0.0251 (3)
H110.54370.72850.85340.03*
C120.56078 (14)0.68193 (9)0.70711 (13)0.0217 (3)
H120.52290.72160.66520.026*
C130.60539 (12)0.61825 (9)0.65917 (11)0.0160 (3)
C140.60109 (12)0.59552 (8)0.54651 (11)0.0153 (3)
C150.55157 (12)0.63095 (8)0.45422 (11)0.0150 (3)
C160.49278 (12)0.70854 (8)0.43846 (11)0.0166 (3)
H160.42670.71270.48040.02*
C170.45486 (12)0.70999 (9)0.31791 (12)0.0174 (3)
C180.39336 (14)0.76566 (9)0.25886 (13)0.0225 (3)
H180.36720.81020.29190.027*
C190.37067 (14)0.75483 (10)0.14951 (13)0.0236 (3)
H190.32840.79270.10750.028*
C200.40849 (13)0.68979 (10)0.10025 (12)0.0224 (3)
H200.39170.68370.02540.027*
C210.47157 (13)0.63294 (9)0.16088 (12)0.0191 (3)
H210.49740.58820.1280.023*
C220.49511 (12)0.64422 (8)0.27088 (11)0.0144 (3)
C230.55610 (11)0.59590 (8)0.35456 (11)0.0141 (3)
C240.61163 (12)0.52597 (8)0.34860 (11)0.0146 (3)
C250.63200 (12)0.47831 (9)0.25254 (11)0.0171 (3)
H250.55770.4610.21420.021*
C260.69733 (12)0.40907 (9)0.30261 (12)0.0174 (3)
C270.73685 (13)0.34636 (9)0.25173 (13)0.0213 (3)
H270.72560.34230.17630.026*
C280.70202 (13)0.51795 (9)0.17463 (12)0.0205 (3)
C290.85240 (15)0.60433 (11)0.15745 (15)0.0320 (4)
H29A0.90460.63850.20120.048*
H29B0.80880.63420.10090.048*
H29C0.8960.56440.12560.048*
C300.57751 (13)0.77331 (9)0.46472 (11)0.0177 (3)
C310.60352 (18)0.90226 (10)0.51643 (17)0.0366 (5)
H31G0.56150.94610.54080.055*
H31H0.63380.91590.45010.055*
H31I0.66640.8890.57090.055*
C320.83138 (13)0.49074 (10)0.67208 (12)0.0208 (3)
C331.00581 (15)0.54451 (13)0.64120 (19)0.0433 (5)
H33D1.03630.58580.60020.065*
H33E1.03720.49510.62160.065*
H33F1.02690.55380.71740.065*
O10.88051 (11)0.44471 (9)0.73200 (11)0.0396 (4)
O20.52757 (11)0.83658 (7)0.49782 (11)0.0289 (3)
O30.77526 (10)0.56870 (8)0.22343 (9)0.0277 (3)
O40.67626 (9)0.76970 (6)0.45266 (9)0.0206 (2)
O50.88321 (10)0.54280 (8)0.61814 (11)0.0322 (3)
O60.69483 (12)0.50293 (8)0.08116 (9)0.0307 (3)
O70.8591 (7)0.6664 (5)0.3989 (7)0.039 (3)0.167 (5)
H7A0.83060.63210.33760.047*0.167 (5)
H7B0.7980.70120.41720.047*0.167 (5)
U11U22U33U12U13U23
C10.0248 (8)0.0176 (7)0.0281 (8)0.0014 (6)0.0099 (6)−0.0011 (6)
C20.0204 (7)0.0191 (7)0.0286 (8)0.0035 (6)0.0051 (6)0.0074 (6)
C30.0170 (7)0.0221 (7)0.0192 (7)−0.0025 (6)0.0040 (5)0.0041 (6)
C40.0127 (6)0.0146 (6)0.0200 (7)−0.0009 (5)0.0042 (5)0.0022 (5)
C50.0114 (6)0.0147 (6)0.0206 (7)−0.0011 (5)0.0036 (5)0.0025 (5)
C60.0118 (6)0.0183 (7)0.0152 (6)−0.0028 (5)0.0011 (5)0.0049 (5)
C70.0157 (7)0.0190 (7)0.0153 (6)−0.0014 (5)0.0024 (5)0.0024 (5)
C80.0142 (6)0.0196 (7)0.0180 (7)−0.0028 (5)0.0032 (5)0.0011 (5)
C90.0215 (7)0.0252 (8)0.0171 (7)−0.0017 (6)0.0000 (5)0.0017 (6)
C100.0304 (9)0.0278 (8)0.0159 (7)−0.0024 (7)0.0009 (6)−0.0023 (6)
C110.0306 (9)0.0234 (8)0.0221 (8)0.0005 (7)0.0057 (6)−0.0053 (6)
C120.0228 (8)0.0202 (7)0.0221 (7)−0.0007 (6)0.0025 (6)0.0005 (6)
C130.0153 (7)0.0196 (7)0.0134 (6)−0.0050 (5)0.0028 (5)−0.0006 (5)
C140.0137 (6)0.0182 (7)0.0143 (6)−0.0049 (5)0.0032 (5)0.0000 (5)
C150.0119 (6)0.0140 (6)0.0197 (7)−0.0008 (5)0.0045 (5)0.0010 (5)
C160.0159 (7)0.0179 (7)0.0165 (7)0.0008 (5)0.0037 (5)0.0013 (5)
C170.0140 (6)0.0182 (7)0.0203 (7)−0.0013 (5)0.0030 (5)−0.0001 (5)
C180.0209 (8)0.0201 (7)0.0262 (8)0.0029 (6)0.0010 (6)0.0006 (6)
C190.0200 (8)0.0236 (8)0.0258 (8)0.0044 (6)−0.0027 (6)0.0049 (6)
C200.0202 (7)0.0287 (8)0.0175 (7)0.0006 (6)−0.0009 (5)0.0010 (6)
C210.0180 (7)0.0208 (7)0.0187 (7)−0.0012 (6)0.0035 (5)−0.0006 (6)
C220.0118 (6)0.0154 (6)0.0160 (7)−0.0010 (5)0.0015 (5)0.0028 (5)
C230.0111 (6)0.0165 (6)0.0149 (6)−0.0021 (5)0.0021 (5)0.0040 (5)
C240.0130 (6)0.0179 (7)0.0134 (6)−0.0037 (5)0.0041 (5)−0.0008 (5)
C250.0168 (7)0.0195 (7)0.0155 (7)0.0021 (5)0.0035 (5)0.0008 (5)
C260.0152 (7)0.0191 (7)0.0185 (7)−0.0010 (5)0.0042 (5)0.0021 (5)
C270.0212 (7)0.0218 (8)0.0214 (7)0.0004 (6)0.0053 (6)0.0003 (6)
C280.0195 (7)0.0227 (7)0.0201 (7)0.0053 (6)0.0063 (5)0.0032 (6)
C290.0229 (8)0.0357 (10)0.0401 (10)0.0011 (7)0.0145 (7)0.0167 (8)
C300.0203 (7)0.0166 (7)0.0166 (7)0.0001 (5)0.0044 (5)0.0013 (5)
C310.0420 (11)0.0205 (8)0.0513 (12)−0.0105 (8)0.0227 (9)−0.0113 (8)
C320.0174 (7)0.0258 (8)0.0188 (7)−0.0008 (6)0.0008 (5)0.0026 (6)
C330.0139 (8)0.0498 (13)0.0657 (14)−0.0063 (8)0.0023 (8)0.0153 (11)
O10.0203 (6)0.0542 (9)0.0425 (8)0.0028 (6)−0.0030 (5)0.0264 (7)
O20.0298 (7)0.0161 (5)0.0441 (7)−0.0027 (5)0.0183 (5)−0.0063 (5)
O30.0207 (6)0.0375 (7)0.0260 (6)−0.0079 (5)0.0071 (4)0.0051 (5)
O40.0171 (5)0.0205 (5)0.0241 (6)−0.0015 (4)0.0020 (4)0.0005 (4)
O50.0129 (5)0.0367 (7)0.0464 (8)−0.0053 (5)0.0015 (5)0.0181 (6)
O60.0430 (8)0.0337 (7)0.0175 (6)0.0037 (6)0.0124 (5)0.0024 (5)
O70.029 (5)0.048 (6)0.040 (5)0.002 (4)0.003 (3)−0.006 (4)
C1—C271.389 (2)C18—H180.95
C1—C21.393 (2)C19—C201.391 (2)
C1—H10.95C19—H190.95
C2—C31.407 (2)C20—C211.410 (2)
C2—H20.95C20—H200.95
C3—C41.398 (2)C21—C221.400 (2)
C3—H30.95C21—H210.95
C4—C261.398 (2)C22—C231.4715 (19)
C4—C51.470 (2)C23—C241.389 (2)
C5—C61.388 (2)C24—C251.513 (2)
C5—C241.414 (2)C25—C281.526 (2)
C6—C141.405 (2)C25—C261.527 (2)
C6—C71.5205 (19)C25—H251
C7—C321.519 (2)C26—C271.376 (2)
C7—C81.530 (2)C27—H270.95
C7—H71C28—O61.2036 (19)
C8—C91.380 (2)C28—O31.336 (2)
C8—C131.406 (2)C29—O31.4485 (19)
C9—C101.388 (2)C29—H29A0.98
C9—H90.95C29—H29B0.98
C10—C111.386 (2)C29—H29C0.98
C10—H100.95C30—O41.1999 (18)
C11—C121.407 (2)C30—O21.3396 (18)
C11—H110.95C31—O21.456 (2)
C12—C131.396 (2)C31—H31G0.98
C12—H120.95C31—H31H0.98
C13—C141.4736 (19)C31—H31I0.98
C14—C151.387 (2)C32—O11.204 (2)
C15—C231.407 (2)C32—O51.3274 (19)
C15—C161.520 (2)C33—O51.448 (2)
C16—C301.519 (2)C33—H33D0.98
C16—C171.537 (2)C33—H33E0.98
C16—H161C33—H33F0.98
C17—C181.377 (2)O7—H7A1.00
C17—C221.399 (2)O7—H7B0.99
C18—C191.390 (2)
C27—C1—C2120.97 (15)C18—C19—H19119.3
C27—C1—H1119.5C20—C19—H19119.3
C2—C1—H1119.5C19—C20—C21120.32 (14)
C1—C2—C3120.59 (14)C19—C20—H20119.8
C1—C2—H2119.7C21—C20—H20119.8
C3—C2—H2119.7C22—C21—C20118.18 (14)
C4—C3—C2118.25 (14)C22—C21—H21120.9
C4—C3—H3120.9C20—C21—H21120.9
C2—C3—H3120.9C17—C22—C21119.97 (13)
C26—C4—C3119.79 (14)C17—C22—C23108.91 (12)
C26—C4—C5108.80 (12)C21—C22—C23131.10 (14)
C3—C4—C5131.42 (14)C24—C23—C15119.79 (13)
C6—C5—C24119.55 (13)C24—C23—C22130.99 (13)
C6—C5—C4131.68 (13)C15—C23—C22109.21 (12)
C24—C5—C4108.77 (12)C23—C24—C5120.14 (13)
C5—C6—C14120.37 (13)C23—C24—C25130.15 (13)
C5—C6—C7129.73 (13)C5—C24—C25109.69 (13)
C14—C6—C7109.90 (12)C24—C25—C28114.97 (13)
C32—C7—C6115.34 (12)C24—C25—C26102.73 (11)
C32—C7—C8109.23 (12)C28—C25—C26109.61 (12)
C6—C7—C8102.56 (12)C24—C25—H25109.8
C32—C7—H7109.8C28—C25—H25109.8
C6—C7—H7109.8C26—C25—H25109.8
C8—C7—H7109.8C27—C26—C4122.10 (14)
C9—C8—C13121.54 (14)C27—C26—C25127.92 (14)
C9—C8—C7128.58 (14)C4—C26—C25109.98 (12)
C13—C8—C7109.86 (12)C26—C27—C1118.29 (15)
C8—C9—C10118.16 (15)C26—C27—H27120.9
C8—C9—H9120.9C1—C27—H27120.9
C10—C9—H9120.9O6—C28—O3124.25 (15)
C11—C10—C9121.57 (15)O6—C28—C25123.77 (15)
C11—C10—H10119.2O3—C28—C25111.92 (13)
C9—C10—H10119.2O3—C29—H29A109.5
C10—C11—C12120.44 (15)O3—C29—H29B109.5
C10—C11—H11119.8H29A—C29—H29B109.5
C12—C11—H11119.8O3—C29—H29C109.5
C13—C12—C11118.29 (15)H29A—C29—H29C109.5
C13—C12—H12120.9H29B—C29—H29C109.5
C11—C12—H12120.9O4—C30—O2123.84 (14)
C12—C13—C8119.98 (13)O4—C30—C16124.26 (14)
C12—C13—C14131.40 (14)O2—C30—C16111.82 (12)
C8—C13—C14108.58 (13)O2—C31—H31G109.5
C15—C14—C6119.87 (13)O2—C31—H31H109.5
C15—C14—C13131.07 (14)H31G—C31—H31H109.5
C6—C14—C13109.04 (12)O2—C31—H31I109.5
C14—C15—C23120.27 (13)H31G—C31—H31I109.5
C14—C15—C16130.23 (13)H31H—C31—H31I109.5
C23—C15—C16109.43 (12)O1—C32—O5123.93 (15)
C30—C16—C15110.38 (12)O1—C32—C7123.98 (14)
C30—C16—C17108.19 (12)O5—C32—C7112.08 (13)
C15—C16—C17102.70 (12)O5—C33—H33D109.5
C30—C16—H16111.7O5—C33—H33E109.5
C15—C16—H16111.7H33D—C33—H33E109.5
C17—C16—H16111.7O5—C33—H33F109.5
C18—C17—C22121.96 (14)H33D—C33—H33F109.5
C18—C17—C16128.51 (14)H33E—C33—H33F109.5
C22—C17—C16109.52 (12)C30—O2—C31114.00 (13)
C17—C18—C19118.14 (15)C28—O3—C29115.87 (14)
C17—C18—H18120.9C32—O5—C33115.18 (14)
C19—C18—H18120.9H7A—O7—H7B110.8
C18—C19—C20121.43 (15)
C27—C1—C2—C3−0.5 (2)C18—C17—C22—C21−1.1 (2)
C1—C2—C3—C40.0 (2)C16—C17—C22—C21−179.71 (13)
C2—C3—C4—C260.4 (2)C18—C17—C22—C23−179.42 (14)
C2—C3—C4—C5−179.76 (15)C16—C17—C22—C231.93 (16)
C26—C4—C5—C6−178.57 (15)C20—C21—C22—C170.9 (2)
C3—C4—C5—C61.6 (3)C20—C21—C22—C23178.87 (14)
C26—C4—C5—C241.76 (16)C14—C15—C23—C24−0.8 (2)
C3—C4—C5—C24−178.07 (15)C16—C15—C23—C24176.61 (12)
C24—C5—C6—C14−0.1 (2)C14—C15—C23—C22178.59 (12)
C4—C5—C6—C14−179.74 (14)C16—C15—C23—C22−4.01 (15)
C24—C5—C6—C7180.00 (13)C17—C22—C23—C24−179.42 (14)
C4—C5—C6—C70.4 (3)C21—C22—C23—C242.5 (3)
C5—C6—C7—C3263.6 (2)C17—C22—C23—C151.29 (16)
C14—C6—C7—C32−116.28 (14)C21—C22—C23—C15−176.82 (15)
C5—C6—C7—C8−177.77 (14)C15—C23—C24—C51.0 (2)
C14—C6—C7—C82.33 (15)C22—C23—C24—C5−178.24 (14)
C32—C7—C8—C9−61.07 (19)C15—C23—C24—C25−177.60 (14)
C6—C7—C8—C9176.11 (15)C22—C23—C24—C253.2 (3)
C32—C7—C8—C13120.30 (13)C6—C5—C24—C23−0.5 (2)
C6—C7—C8—C13−2.53 (15)C4—C5—C24—C23179.17 (12)
C13—C8—C9—C100.0 (2)C6—C5—C24—C25178.31 (12)
C7—C8—C9—C10−178.52 (15)C4—C5—C24—C25−1.98 (16)
C8—C9—C10—C11−1.0 (2)C23—C24—C25—C2861.1 (2)
C9—C10—C11—C120.9 (3)C5—C24—C25—C28−117.57 (14)
C10—C11—C12—C130.1 (2)C23—C24—C25—C26−179.88 (14)
C11—C12—C13—C8−1.0 (2)C5—C24—C25—C261.42 (15)
C11—C12—C13—C14176.35 (15)C3—C4—C26—C27−0.5 (2)
C9—C8—C13—C121.0 (2)C5—C4—C26—C27179.63 (14)
C7—C8—C13—C12179.78 (13)C3—C4—C26—C25179.02 (13)
C9—C8—C13—C14−176.90 (14)C5—C4—C26—C25−0.83 (16)
C7—C8—C13—C141.85 (16)C24—C25—C26—C27179.18 (15)
C5—C6—C14—C150.3 (2)C28—C25—C26—C27−58.1 (2)
C7—C6—C14—C15−179.79 (12)C24—C25—C26—C4−0.33 (15)
C5—C6—C14—C13178.73 (13)C28—C25—C26—C4122.35 (13)
C7—C6—C14—C13−1.36 (16)C4—C26—C27—C10.1 (2)
C12—C13—C14—C150.3 (3)C25—C26—C27—C1−179.35 (14)
C8—C13—C14—C15177.88 (14)C2—C1—C27—C260.4 (2)
C12—C13—C14—C6−177.92 (15)C24—C25—C28—O6−153.27 (15)
C8—C13—C14—C6−0.32 (16)C26—C25—C28—O691.65 (18)
C6—C14—C15—C230.1 (2)C24—C25—C28—O329.38 (18)
C13—C14—C15—C23−177.89 (14)C26—C25—C28—O3−85.70 (15)
C6—C14—C15—C16−176.64 (14)C15—C16—C30—O430.93 (19)
C13—C14—C15—C165.3 (3)C17—C16—C30—O4−80.72 (18)
C14—C15—C16—C3066.79 (19)C15—C16—C30—O2−152.33 (12)
C23—C15—C16—C30−110.26 (13)C17—C16—C30—O296.02 (14)
C14—C15—C16—C17−178.06 (14)C6—C7—C32—O1−148.97 (17)
C23—C15—C16—C174.89 (15)C8—C7—C32—O196.20 (19)
C30—C16—C17—C18−65.91 (19)C6—C7—C32—O532.53 (19)
C15—C16—C17—C18177.36 (15)C8—C7—C32—O5−82.31 (16)
C30—C16—C17—C22112.63 (14)O4—C30—O2—C311.1 (2)
C15—C16—C17—C22−4.11 (15)C16—C30—O2—C31−175.64 (14)
C22—C17—C18—C190.5 (2)O6—C28—O3—C29−2.5 (2)
C16—C17—C18—C19178.93 (15)C25—C28—O3—C29174.81 (13)
C17—C18—C19—C200.1 (2)O1—C32—O5—C33−3.9 (3)
C18—C19—C20—C21−0.1 (3)C7—C32—O5—C33174.59 (16)
C19—C20—C21—C22−0.3 (2)
D—H···AD—HH···AD···AD—H···A
O7—H7A···O31.001.872.876 (9)179
O7—H7B···O40.991.962.955 (9)180
Table 1

Hydrogen-bond geometry (Å, °)

D—H⋯AD—HH⋯ADAD—H⋯A
O7—H7A⋯O31.001.872.876 (9)179
O7—H7B⋯O40.991.962.955 (9)180
  4 in total

1.  Superconductivity of doped Ar@C60.

Authors:  A Takeda; Y Yokoyama; S Ito; T Miyazaki; H Shimotani; K Yakigaya; T Kakiuchi; H Sawa; H Takagi; K Kitazawa; N Dragoe
Journal:  Chem Commun (Camb)       Date:  2006-01-19       Impact factor: 6.222

2.  A short history of SHELX.

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

3.  Synthesis and self-association of syn-5,10,15-trialkylated truxenes.

Authors:  Oscar de Frutos; Thierry Granier; Berta Gómez-Lor; Jesús Jiménez-Barbero; Angeles Monge; Enrique Gutiérrez-Puebla; Antonio M Echavarren
Journal:  Chemistry       Date:  2002-07-02       Impact factor: 5.236

4.  Trisannulated benzene derivatives by Acid catalyzed aldol cyclotrimerizations of cyclic ketones. Methodology development and mechanistic insight.

Authors:  Aaron W Amick; Lawrence T Scott
Journal:  J Org Chem       Date:  2007-03-24       Impact factor: 4.354

  4 in total

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