Four 2-aryl-8,8-dimethyl-6,7,8,9-tetrahydropyrazolo[2,3-<i>a</i>]quinazolin-6-ones: isolated molecules, hydrogen-bonded dimers, and π-stacked chains of hydrogen-bonded dimers
Authors of publication
Cruz, Silvia; Quiroga, Jairo; de la Torre, José M.; Cobo, Justo; Low, John N.; Glidewell, Christopher
Journal of publication
Acta Crystallographica, Section C
Year of publication
2006
Journal volume
62
Journal issue
6
Pages of publication
o364 - o368
a
7.6778 ± 0.0002 Å
b
8.1298 ± 0.0003 Å
c
16.6417 ± 0.0005 Å
α
89.08 ± 0.002°
β
85.123 ± 0.002°
γ
72.49 ± 0.002°
Cell volume
987.06 ± 0.05 Å3
Cell temperature
298 ± 2 K
Ambient diffraction temperature
298 ± 2 K
Number of distinct elements
5
Hermann-Mauguin symmetry space group
P -1
Hall symmetry space group
-P 1
Residual factor for all reflections
0.0928
Residual factor for observed reflections
0.0486
Weighted residual factors for the observed reflections
0.1132
Weighted residual factors for all reflections included in the refinement
0.1339
Goodness-of-fit parameter for observed reflections