Crystallography Open Database

Information card for entry 7205550

7205549 << 7205550 >> 7205551

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Structure parameters

Formula	C48 H36 F6 O8
Calculated formula	C48 H36 F6 O8
SMILES	O(C(=O)c1cc(c2cc(c(cc2c2ccc(cc2)c2cc(F)c(F)c(F)c2)C(=O)OCC)C(=O)OCC)c(c2ccc(cc2)c2cc(F)c(F)c(F)c2)cc1C(=O)OCC)CC
Title of publication	Synthesis and memory characteristics of highly organo-soluble polyimides bearing a noncoplanar twisted biphenyl unit containing aromatic side-chain groups
Authors of publication	Li, Yueqin; Xu, Huihua; Tao, Xian; Qian, Kejia; Fu, Shuang; Shen, Yingzhong; Ding, Shijin
Journal of publication	Journal of Materials Chemistry
Year of publication	2011
Journal volume	21
Journal issue	6
Pages of publication	1810
a	17.257 ± 0.004 Å
b	17.152 ± 0.003 Å
c	15.542 ± 0.003 Å
α	90°
β	116.36 ± 0.03°
γ	90°
Cell volume	4122 ± 1.8 Å³
Cell temperature	293 ± 2 K
Ambient diffraction temperature	293 ± 2 K
Number of distinct elements	4
Space group number	14
Hermann-Mauguin space group symbol	P 1 21/c 1
Hall space group symbol	-P 2ybc
Residual factor for all reflections	0.1483
Residual factor for significantly intense reflections	0.0969
Weighted residual factors for significantly intense reflections	0.2126
Weighted residual factors for all reflections included in the refinement	0.2426
Goodness-of-fit parameter for all reflections included in the refinement	1.185
Diffraction radiation wavelength	0.71073 Å
Diffraction radiation type	MoKα
Has coordinates	Yes
Has disorder	No
Has F_obs	No

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