The crystal structure of a new ferrocenyl P,N ligand: 1-[(2,2-dimethylhydrazin-1-ylidene)methyl]-1′-(diphenylphosphorothioyl)ferrocene

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Abstract
The asymmetric unit of the title compound, [Fe(C8H11N2)(C17H14PS)], contains two independent molecules (A and B) with very similar conformations. Each molecule is built up from a ferrocene unit substituted in the 1 and 1′ positions by a protected sulfur diphenylphosphine and by a dimethylhydrazine, –C(H)=N—N(CH3)2, fragment. The two independent molecules are linked by a C—H...N hydrogen bond. In the crystal, the A–B dimer is linked by a pair of C—H...S hydrogen bonds, forming a centrosymmetric four-molecule arrangement. These units are linked by C—H...π interactions, forming a supramolecular three-dimensional structure.

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