OriiSeiki, NakamuraToshio, TakakiYoshito
Jul 1, 1963
Citations
0
Influential Citations
17
Citations
Journal
Bulletin of the Chemical Society of Japan
Abstract
The crystal structure of m-methylbenzamide has been determined by two-dimensional X-ray methods. The atomic positions obtained from the trial and error method are refined by the modified (Fo–Fc) synthesis.1. The mean C-C distance in the benzene ring is 1.375A, while C3–C8=1.526, C1-C7=1.504, C7-N=1.294 and C7-O=1.246A.2. The amide group twists around the C1–C7 axis with an angle of 28.7° because of the steric hindrance on the contact of H6 and HN2.3. The molecules are connected by NH–O hydrogen bonds, 3.22A, forming dimers which are linked with each other by other NH–O hydrogen bonds, 2.97A, into endless chains.The crystal structure is of a type analogous to benzamide and δ-pyrazinamide.