X-ray Crystal Structures, Packing Behavior, and Thermal Stability Studies of a Homologous Series ofn-Alkyl-Substituted Polyhedral Oligomeric Silsesquioxanes
Authors of publication
El Aziz, Youssef; Bassindale, Alan R.; Taylor, Peter G.; Stephenson, Richard A.; Hursthouse, Michael B.; Harrington, Ross W.; Clegg, William
Journal of publication
Macromolecules
Year of publication
2013
Journal volume
46
Journal issue
3
Pages of publication
988
a
26.4815 ± 0.0005 Å
b
26.4815 ± 0.0005 Å
c
15.6221 ± 0.0005 Å
α
90°
β
90°
γ
90°
Cell volume
10955.3 ± 0.5 Å3
Cell temperature
120 ± 2 K
Ambient diffraction temperature
120 ± 2 K
Number of distinct elements
4
Space group number
85
Hermann-Mauguin space group symbol
P 4/n :2
Hall space group symbol
-P 4a
Residual factor for all reflections
0.1519
Residual factor for significantly intense reflections
0.0898
Weighted residual factors for significantly intense reflections
0.1982
Weighted residual factors for all reflections included in the refinement
0.239
Goodness-of-fit parameter for all reflections included in the refinement