Crystallography Open Database

Information card for entry 2222083

2222082 << 2222083 >> 2222084

Preview

Coordinates	2222083.cif
Structure factors	2222083.hkl
Original IUCr paper	HTML

Structure parameters

Chemical name	2,2,7-Trimethyl-2,3-dihydroquinazolin-4(1<i>H</i>)-one
Formula	C11 H14 N2 O
Calculated formula	C11 H14 N2 O
SMILES	Cc1ccc2c(c1)NC(NC2=O)(C)C
Title of publication	2,2,7-Trimethyl-2,3-dihydroquinazolin-4(1<i>H</i>)-one
Authors of publication	Zhang, Ling; Shi, Daxin; Fan, Yanqiu; Qian, Dongfeng; Li, Jiarong
Journal of publication	Acta Crystallographica Section E
Year of publication	2009
Journal volume	65
Journal issue	6
Pages of publication	o1345
a	19.538 ± 0.004 Å
b	10.104 ± 0.002 Å
c	20.735 ± 0.004 Å
α	90°
β	90°
γ	90°
Cell volume	4093.3 ± 1.4 Å³
Cell temperature	113 ± 2 K
Ambient diffraction temperature	113 ± 2 K
Number of distinct elements	4
Space group number	61
Hermann-Mauguin space group symbol	P b c a
Hall space group symbol	-P 2ac 2ab
Residual factor for all reflections	0.0471
Residual factor for significantly intense reflections	0.0428
Weighted residual factors for significantly intense reflections	0.1153
Weighted residual factors for all reflections included in the refinement	0.1189
Goodness-of-fit parameter for all reflections included in the refinement	1.065
Diffraction radiation wavelength	0.71073 Å
Diffraction radiation type	MoKα
Has coordinates	Yes
Has disorder	No
Has F_obs	Yes

Version history

Revision	Date	Message	Files
181141 (current)	2016-04-03	hkl/2/22/ (antanas@echidna) Replacing _[local]_cod_* tags with their equivalents from the COD CIF dictionary in multiple entries in subrange 2/22/20.	2222083.cif 2222083.hkl
176789	2016-02-20	cif/2/ (antanas@kurmis) Replacing _[local]_cod_* tags with their equivalents from the COD CIF dictionary in multiple entries in subrange 2/22.	2222083.cif 2222083.hkl
91933	2013-12-28	cif/ (saulius@koala.ibt.lt) Adding DOIs that could be assigned unambiguously to the range 2x CIFs.	2222083.cif 2222083.hkl
88064	2013-08-29	Adding _cod_database_fobs_code data item to all COD CIFs that have Fobs deposited and did not have this data item yet.	2222083.cif 2222083.hkl
32112	2012-02-03	cif/: committing an update of 45+ thous files, with information appended from the originals.	2222083.cif 2222083.hkl
26848	2011-09-28	cif/2/, hkl/2/, html/ Reorganising CIFs of the range 2* into the "prefix-directory" tree.	2222083.cif 2222083.hkl
26029	2011-09-17	cif/2/ Reverting changes of revision 25271: ( cd cif/2/; svn merge -r25271:25270 . ) The problem was that the reprocessed files from IUCr, although were more complete, "resurrected" data errors that were corrected in the previous recisions. The additional data that have been extracted during the reprocessing will have to be merged without overwriting the existing values in COD files, except some explicit and controlled cases (such as publication titles and chemical names).	2222083.cif 2222083.hkl
25271	2011-09-10	cif/2/ Adding reporocessed IUCr CIFs for the years 1980-2010. The CIFs now contain more complete bibliography, substance names, correctly unfolded text fields (using the CIF line unfolding protocol), explicitely set cell angles, and _cod_data_source_block fields.	2222083.cif 2222083.hkl
966	2010-01-30	cif/ Adding _cod_database_code tags to all COD entries. Adding tag description to the cif_cod.dic dictionary so that COD entries can be validated.	2222083.cif 2222083.hkl
819	2009-09-11	hkl/ Adding Fobs data from the recent IUCr structure depositions.	2222083.cif 2222083.hkl
814	2009-09-04	cif/ Adding depositions of the Acta-Cryst-B-2009_03/, Acta-Cryst-C-2009_06/, Acta-Cryst-E-2009_06/ and J-Appl-Cryst-2009_03 structures.	2222083.cif