Two polymorphs, with <i>Z</i>' = 1 and 2, of 2-amino-4-chloro-6-morpholinopyrimidine in <i>P</i>2~1~/<i>c</i>, and 2-amino-4-chloro-6-piperidinopyrimidine, which is isomorphous and almost isostructural with the <i>Z</i>' = 2 polymorph
Authors of publication
Bowes, Katharine F.; Glidewell, Christopher; Low, John N.; Melguizo, Manuel; Quesada, Antonio
Journal of publication
Acta Crystallographica Section C
Year of publication
2003
Journal volume
59
Journal issue
1
Pages of publication
o4 - o8
a
13.9215 ± 0.0003 Å
b
8.1803 ± 0.0002 Å
c
19.639 ± 0.0004 Å
α
90°
β
121.613 ± 0.0012°
γ
90°
Cell volume
1904.65 ± 0.08 Å3
Cell temperature
150 ± 1 K
Ambient diffraction temperature
150 ± 1 K
Number of distinct elements
5
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
0.0479
Residual factor for significantly intense reflections
0.0369
Weighted residual factors for significantly intense reflections
0.0909
Weighted residual factors for all reflections included in the refinement
0.0967
Goodness-of-fit parameter for all reflections included in the refinement