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2-Ethyl-3,5,6-triphenyl-pyrazine.

ABSTRACT: In the title mol-ecule, C(24)H(20)N(2), the pyrazine ring is significantly distorted from planarity, presumably due to steric crowding, and its conformation is well described as a flattened twist-boat. The benzene ring adjacent to the ethyl group forms dihedral angles of 53.79?(13) and 85.47?(12)° with the other benzene rings; the dihedral angle between adjacent benzene rings is 57.90?(12)°. The ethyl group is disordered over two positions; the site-occupancy factor of the major component is 0.546?(4). No hydrogen bonds are found in the crystal structure.

SUBMITTER: Anuradha N

PROVIDER: S-EPMC3470362 | biostudies-literature | 2012 Oct

REPOSITORIES: biostudies-literature

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2-Ethyl-3,5,6-triphenyl-pyrazine.

Anuradha N N Thiruvalluvar A A Chitra S S Devanathan D D Butcher R J RJ

Acta crystallographica. Section E, Structure reports online 20120926 Pt 10

In the title mol-ecule, C(24)H(20)N(2), the pyrazine ring is significantly distorted from planarity, presumably due to steric crowding, and its conformation is well described as a flattened twist-boat. The benzene ring adjacent to the ethyl group forms dihedral angles of 53.79 (13) and 85.47 (12)° with the other benzene rings; the dihedral angle between adjacent benzene rings is 57.90 (12)°. The ethyl group is disordered over two positions; the site-occupancy factor of the major component is 0.5 ...[more]

PMID: 23125775

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