Crystallography Open Database

Information card for entry 7233421

Preview

Structure parameters

Chemical name	4-amino-3-chloro-2,5,6-trifluoropyridine
Formula	C5 H2 Cl F3 N2
Calculated formula	C5 H2 Cl F3 N2
Title of publication	Impact of molecular packing rearrangement on solid-state fluorescence: polyhalogenated N-hetarylamines vs. their co-crystals with 18-crown-6
Authors of publication	Vaganova, Tamara A.; Gatilov, Yurij V.; Benassi, Enrico; Chuikov, Igor P.; Pishchur, Denis P.; Malykhin, Evgenij V.
Journal of publication	CrystEngComm
Year of publication	2019
Journal volume	21
Journal issue	39
Pages of publication	5931
a	9.2213 ± 0.0016 Å
b	13.783 ± 0.002 Å
c	5.0802 ± 0.0008 Å
α	90°
β	90°
γ	90°
Cell volume	645.68 ± 0.18 Å³
Cell temperature	200 ± 2 K
Ambient diffraction temperature	200 ± 2 K
Number of distinct elements	5
Space group number	33
Hermann-Mauguin space group symbol	P n a 21
Hall space group symbol	P 2c -2n
Residual factor for all reflections	0.0582
Residual factor for significantly intense reflections	0.0467
Weighted residual factors for significantly intense reflections	0.1413
Weighted residual factors for all reflections included in the refinement	0.1492
Goodness-of-fit parameter for all reflections included in the refinement	0.965
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
301866 (current)	2025-08-23	Add cross-references to PubChem compounds in COD range 7/23/ Each referenced PubChem compound corresponds to the full crystal structure.	7233421.cif
223567	2019-11-07	cif/ Updating files of 7233421, 7233422, 7233423, 7233424, 7233425, 7233426, 7233427, 7233428, 7233429, 7233430, 7233431, 7233432 Original log message: Adding full bibliography for 7233421--7233432.cif.	7233421.cif
217687	2019-08-24	cif/ Adding structures of 7233421, 7233422, 7233423, 7233424, 7233425, 7233426, 7233427, 7233428, 7233429, 7233430, 7233431, 7233432 via cif-deposit CGI script.	7233421.cif