A second monoclinic polymorph of 2,3-di-phenyl-pyrazine
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The title com-pound, C16H12N2 (I), crystallizes in the space group P21/c with one mol-ecule in the asymmetric unit, in which the dihedral angles between the planes of the pyrazine ring and pendant phenyl rings are 53.12 (3) and 33.28 (3)°. In the crystal, pai... ...
