Crystallography Open Database

Information card for entry 1564944

Preview

Coordinates	1564944.cif
Original paper (by DOI)	HTML

Structure parameters

Formula	C20 H14 O2
Calculated formula	C20 H14 O2
SMILES	c1(c2ccc3cccc4c3c2c(c(c1)C(=O)C)cc4)C(=O)C
Title of publication	Maximizing completeness in single-crystal high-pressure diffraction experiments: phase transitions in 2{^i̧rc}AP
Authors of publication	Tchoń, D.; Makal, A.
Journal of publication	IUCrJ
Year of publication	2021
Journal volume	8
Journal issue	6
a	7.15 ± 0.01 Å
b	16.17 ± 0.03 Å
c	11.288 ± 0.009 Å
α	90°
β	90°
γ	90°
Cell volume	1305 ± 3 Å³
Cell temperature	295.4 ± 0.6 K
Ambient diffraction temperature	295.4 ± 0.6 K
Ambient diffracton pressure	520500 kPa
Sample pressure history	Pressurized to 0.5 GPa and left to stabilize over 24 hours.
Number of distinct elements	3
Space group number	62
Hermann-Mauguin space group symbol	P n m a
Hall space group symbol	-P 2ac 2n
Residual factor for all reflections	0.0932
Residual factor for significantly intense reflections	0.0341
Weighted residual factors for significantly intense reflections	0.0487
Weighted residual factors for all reflections included in the refinement	0.0602
Goodness-of-fit parameter for all reflections included in the refinement	0.9283
Diffraction radiation wavelength	0.71073 Å
Diffraction radiation type	MoKα
Has coordinates	Yes
Has disorder	No
Has F_obs	No

Version history

Revision	Date	Message	Files
269978 (current)	2021-10-16	cif/ Adding structures of 1564942, 1564943, 1564944, 1564945, 1564946, 1564947, 1564948, 1564949 via cif-deposit CGI script.	1564944.cif