Secondary interactions in 1-iodo-3-nitrobenzene and 1-iodo-3,5-dinitrobenzene.
The crystal packing of 1-iodo-3-nitrobenzene, C(6)H(4)INO(2), is formed by planar molecules which are linked by I...I and NO(2)...NO(2) interactions. In the case of 1-iodo-3,5-dinitrobenzene, C(6)H(3)IN(2)O(4), the NO(2) groups are not exactly coplanar with the benzene ring and the molecules form sheets linked by NO(2)...NO(2) interactions. In contrast with 4-iodonitrobenzene, the crystal structures of both title compounds do not form highly symmetrical I...NO(2) intermolecular interactions.
Merz
Klaus
K
Anorganische Chemie 1, Ruhr-Universität Bochum, Universitätsstrasse 150, D-44780 Bochum, Germany. klaus.merz@ruhr-uni-bochum.de