The distinctively singular self-assembly of a “molecular stair”: observation of a quadrilateral C–H⋯O hydrogen bonding cycle in the crystal structure of a tetracyclic oligo-tetrahydrofuran
Authors of publication
Rashid, Showkat; Bhat, Bilal A.; Sen, Saikat; Mehta, Goverdhan
Journal of publication
RSC Adv.
Year of publication
2015
Journal volume
5
Journal issue
87
Pages of publication
70899
a
10.42 ± 0.005 Å
b
5.899 ± 0.003 Å
c
15.377 ± 0.008 Å
α
90°
β
94.096 ± 0.007°
γ
90°
Cell volume
942.8 ± 0.8 Å3
Cell temperature
291 ± 2 K
Ambient diffraction temperature
291 ± 2 K
Number of distinct elements
3
Space group number
5
Hermann-Mauguin space group symbol
C 1 2 1
Hall space group symbol
C 2y
Residual factor for all reflections
0.0858
Residual factor for significantly intense reflections
0.0778
Weighted residual factors for significantly intense reflections
0.1887
Weighted residual factors for all reflections included in the refinement
0.1933
Goodness-of-fit parameter for all reflections included in the refinement