Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/95217
Title: The crystal structures of 1,1′-dinitrobicyclopentyl, 1,1′-dinitrobicyclohexyl and 1,1′-dinitrobicycloheptyl
Authors: Lam, Y.L. 
Huang, H.H. 
Hambley, T.W.
Issue Date: 1990
Source: Lam, Y.L.,Huang, H.H.,Hambley, T.W. (1990). The crystal structures of 1,1′-dinitrobicyclopentyl, 1,1′-dinitrobicyclohexyl and 1,1′-dinitrobicycloheptyl. Journal of the Chemical Society, Perkin Transactions 2 (12) : 2039-2043. ScholarBank@NUS Repository.
Abstract: The crystal and molecular structures of 1,1′-dinitrobicyclopentyl 1, 1,1′-dinitrobicyclohexyl 2 and 1,1′-dinitrobicycloheptyl 3 have been determined by X-ray diffraction methods. Compound 1 crystallizes in the monoclinic space group, C2/c, a = 16.247(2), b = 6.4535(5), c = 11.161(2) Å, β = 103.36(1)°, Z = 4; compound 2 in the monoclinic space group, C2/c, a = 6.461(1), b = 11.012(2), c = 17.978(3) Å, β = 90.73(1)°, Z = 4; and compound 3 in the monoclinic space group, P2 1/n, a = 6.4306(9), b = 11.544(2), c = 19.322(3) Å, β = 90.12(1)°, Z = 4. All three structures adopt gauche conformations with the nitro groups in close proximity. As the ring size increases the strain arising from contacts between the nitro groups increases and is reflected in increasing inter-ring and C-N bond lengths.
Source Title: Journal of the Chemical Society, Perkin Transactions 2
URI: http://scholarbank.nus.edu.sg/handle/10635/95217
ISSN: 1472779X
Appears in Collections:Staff Publications

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