2-Methyl-N-p-tolyl-benzamide: a second monoclinic polymorph.

ABSTRACT: The title compound, C(15)H(15)NO, (I), is a polymorph of the structure (II) reported by Gowda et al. [Acta Cryst. (2008), E64, o1494]. Compound (II) crystalllizes in the space group C2/c (Z = 8), whereas the title compound occurs in space group P2(1)/c (Z = 4). The two mol-ecular structures differ slightly in the relative orientations of their central amide group with respect to the benzoyl ring [dihedral angles of 55.99?(7) for (I) and 59.96?(11)° for (II)] and in the inclination of the benzoyl and aniline rings [88.67?(8) for (I) and 81.44?(5)° for (II)]. In the crystal structure of (I), mol-ecules are linked by N-H?O hydrogen bonds, forming C(4) chains, which are augmented by weak C-H?O inter-actions. The structure is further stabilized by C-H?? contacts involving both of the aromatic rings.

SUBMITTER: Saeed A 

PROVIDER: S-EPMC2983768 | biostudies-literature | 2010 Mar

REPOSITORIES: biostudies-literature