Crystallography Open Database

Information card for entry 7157109

Preview

Coordinates	7157109.cif
Original paper (by DOI)	HTML

Structure parameters

Chemical name	(Sp)-4
Formula	C30 H36 Se2 Si2
Calculated formula	C30 H36 Se2 Si2
Title of publication	Synthesis and chiroptical properties of stereogenic cyclic dimers based on 2,2'-biselenophene and [2.2]paracyclophane.
Authors of publication	Hasegawa, Masashi; Kobayakawa, Kosuke; Nojima, Yuki; Mazaki, Yasuhiro
Journal of publication	Organic & biomolecular chemistry
Year of publication	2019
Journal volume	17
Journal issue	39
Pages of publication	8822 - 8826
a	9.4081 ± 0.0004 Å
b	14.8474 ± 0.0006 Å
c	20.854 ± 0.0008 Å
α	90°
β	90°
γ	90°
Cell volume	2913 ± 0.2 Å³
Cell temperature	273 K
Ambient diffraction temperature	273.15 K
Number of distinct elements	4
Space group number	19
Hermann-Mauguin space group symbol	P 21 21 21
Hall space group symbol	P 2ac 2ab
Residual factor for all reflections	0.0257
Residual factor for significantly intense reflections	0.0215
Weighted residual factors for significantly intense reflections	0.046
Weighted residual factors for all reflections included in the refinement	0.047
Goodness-of-fit parameter for all reflections included in the refinement	0.941
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
225115 (current)	2019-11-08	cif/ Updating files of 7157107, 7157108, 7157109 Original log message: Adding full bibliography for 7157107--7157109.cif.	7157109.cif
218851	2019-09-25	cif/ Adding structures of 7157107, 7157108, 7157109 via cif-deposit CGI script.	7157109.cif