M. Lautens et al., AN UNUSUAL TRANS-FUSED CYCLOPENTANE RING-SYSTEM AT 158 K, Acta crystallographica. Section C, Crystal structure communications, 51, 1995, pp. 1944-1946
The crystal structure of the title compound, lo[6.4.0(1,5).0(1,8).0(7,
11).0(10,12)]dodecan-6-yl 3,5-dinitrobenzoate, C19H18N2O6, establishes
the cyclopentane ring junctions in the molecule to be trans fused. Th
e C-sp3-C-sp3, bond lengths range from 1.505 (4) to 1.568 (4) Angstrom
.