Abstract
The title compound, C24H22N2OP2, is an asymmetrically substituted hydrazine derivative bearing a phosphoryl and a phosphanyl substituent. The PNNP backbone has a torsion angle of −131.01 (8)°. In the crystal, molecules form centrosymmetric dimers by intermolecular N—H...O hydrogen bonds, which are further linked into a three-dimensional network by weak C—H...O and C—H...π interactions.
Highlights
The title compound, C24H22N2OP2, is an asymmetrically substituted hydrazine derivative bearing a phosphoryl and a phosphanyl substituent
Molecules form centrosymmetric dimers by intermolecular N—HÁ Á ÁO hydrogen bonds, which are further linked into a three-dimensional network by weak C—HÁ Á ÁO and C— HÁ Á Á interactions
As a result of the asymmetrical substitution, the P—N bond lengths have significantly different values. Even if both P—N bond lengths are shortened when compared to the sum of the covalent radii calculated by Pyykko (2015) [single: Ærcov(P—N) = 1.82 A, double: Ærcov(P—N) = 1.62 A ], the PV—N distance [P1— N1 = 1.6561 (11) A ] is noticeably shorter than the PIII—N distance [P2—N2 = 1.7049 (11) A ]
Summary
The title compound C24H22N2OP2 (Fig. 1) is an asymmetrically substituted hydrazine derivative containing a phosphoryl and phosphane entity. As a result of the asymmetrical substitution, the P—N bond lengths have significantly different values. Even if both P—N bond lengths are shortened when compared to the sum of the covalent radii calculated by Pyykko (2015) [single: Ærcov(P—N) = 1.82 A , double: Ærcov(P—N) = 1.62 A ], the PV—N distance [P1— N1 = 1.6561 (11) A ] is noticeably shorter than the PIII—N distance [P2—N2 = 1.7049 (11) A ]. Cg1 and Cg2 are the centroids of the C19–C24 and C7–C12 phenyl rings, respectively
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