Author:
McAdam C. John,Hanton Lyall R.,Moratti Stephen C.,Simpson Jim
Abstract
The isomeric derivatives 1,2-bis(iodomethyl)benzene, (I), and 1,3-bis(iodomethyl)benzene (II), both C8H8I2, were prepared by metathesis from their dibromo analogues. Theortho-derivative, (I), lies about a crystallographic twofold axis that bisects the C—C bond between the two iodomethyl substituents. The packing in (I) relies solely on C—H...I hydrogen bonds supported by weak parallel slipped π–π stacking interactions [inter-centroid distance = 4.0569 (11) Å, inter-planar distance = 3.3789 (8) Å and slippage = 2.245 Å]. While C—H...I hydrogen bonds are also found in the packing of (II), type II, I...I halogen bonds [I...I = 3.8662 (2) Å] and C—H...π contacts feature prominently in stabilizing the three-dimensional structure.
Publisher
International Union of Crystallography (IUCr)
Subject
Condensed Matter Physics,General Materials Science,General Chemistry
Cited by
2 articles.
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