2-(2-Acetylamino-5-chlorophenyl)-2,2-difluoroethanoic acid and 2-(2-acetylamino-5-methylphenyl)-2,2-difluoroethanoic acid, and 2-(2-acetylaminophenyl)-2,2-difluoro-<i>N</i>-phenylacetamide and 2-(2-acetylaminophenyl)-<i>N</i>-(4-chlorophenyl)-2,2-difluoroacetamide: examples of variation in molecular packing and hydrogen-bonding motif induced by substituent change
Authors of publication
Boechat, Nubia; Maciel, Lindalva C.; Wardell, Solange M. S. V.; Skakle, Janet M. S.; Howie, R. Alan
Journal of publication
Acta Crystallographica Section C
Year of publication
2005
Journal volume
61
Journal issue
5
Pages of publication
o270 - o275
a
11.5493 ± 0.0006 Å
b
11.6207 ± 0.0006 Å
c
8.5251 ± 0.0004 Å
α
90°
β
107.334 ± 0.002°
γ
90°
Cell volume
1092.2 ± 0.1 Å3
Cell temperature
120 ± 2 K
Ambient diffraction temperature
120 ± 2 K
Number of distinct elements
6
Space group number
14
Hermann-Mauguin space group symbol
P 1 21/c 1
Hall space group symbol
-P 2ybc
Residual factor for all reflections
0.2354
Residual factor for significantly intense reflections
0.1206
Weighted residual factors for significantly intense reflections
0.2782
Weighted residual factors for all reflections included in the refinement
0.3299
Goodness-of-fit parameter for all reflections included in the refinement
