Crystallography Open Database

Information card for entry 7229999

Preview

Coordinates	7229999.cif
Original paper (by DOI)	HTML

Structure parameters

Common name	Theophylline:picolinamide
Formula	C20 H22 N10 O5
Calculated formula	C20 H22 N10 O5
SMILES	O=C1N(C(=O)c2[nH]cnc2N1C)C.O=C(N)c1ncccc1.O=C1N(c2nc[nH]c2C(=O)N1C)C
Title of publication	Tuning mechanical behaviour by controlling the structure of a series of theophylline co-crystals
Authors of publication	Kakkar, Shubhangi; Bhattacharya, Biswajit; Reddy, C. Malla; Ghosh, Soumyajit
Journal of publication	CrystEngComm
Year of publication	2018
Journal volume	20
Journal issue	8
Pages of publication	1101
a	8.0597 ± 0.0007 Å
b	9.6051 ± 0.0009 Å
c	14.2402 ± 0.0013 Å
α	96.817 ± 0.002°
β	99.412 ± 0.002°
γ	103.672 ± 0.002°
Cell volume	1042.4 ± 0.16 Å³
Cell temperature	100 K
Ambient diffraction temperature	100 K
Number of distinct elements	4
Space group number	2
Hermann-Mauguin space group symbol	P -1
Hall space group symbol	-P 1
Residual factor for all reflections	0.0419
Residual factor for significantly intense reflections	0.0359
Weighted residual factors for significantly intense reflections	0.0897
Weighted residual factors for all reflections included in the refinement	0.0943
Goodness-of-fit parameter for all reflections included in the refinement	1.038
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
228941 (current)	2019-11-17	cif/ Updating files of 7229994, 7229995, 7229996, 7229997, 7229998, 7229999 Original log message: Adding full bibliography for 7229994--7229999.cif.	7229999.cif
205343	2018-01-18	cif/ Adding structures of 7229994, 7229995, 7229996, 7229997, 7229998, 7229999 via cif-deposit CGI script.	7229999.cif