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Acta Crystallogr C. 2003 Oct;59:M424-6. doi: 10.1107/s0108270103018481. Epub 2003 Sep 30.

[1,3-Bis(4-nitrophenyl)triazenido](triphenylphosphine)gold(I).

Acta crystallographica. Section C, Crystal structure communications

Manfredo Hörner, Ivan Carlos Casagrande, Herton Fenner, Jörg Daniels, Johannes Beck

Affiliations

  1. Departamento de Quimica, Universidade Federal de Santa Maria, Caixa Postal 5071, 97110-970 Santa Maria-RS, Brazil. [email protected]

PMID: 14532661 DOI: 10.1107/s0108270103018481

Abstract

In the title complex, [Au(C(12)H(8)N(5)O(4))(C(18)H(15)P)], the coordination geometry about the Au(I) ion is linear, with one deprotonated 1,3-bis(4-nitrophenyl)triazenide ion, [O(2)NC(6)H(4)N=N-NC(6)H(4)NO(2)](-), acting as a monodentate ligand (two-electron donor), and one neutral triphenylphosphine molecule completing the metal coordination. The triazenide ligand is almost planar (r.m.s. deviation = 0.0767 A), with the largest interplanar angle being 11.6 (7) degrees between the phenyl ring of one of the terminal 4-nitrophenyl substituents and the plane defined by the N=N-N triad. The Au-N and Au-P distances are 2.108 (5) and 2.2524 (13) A, respectively. Pairs of molecules generated by centrosymmetry are associated into a supramolecular array via intermolecular C-H...O interactions, and N...C and N...O pi-pi interactions.

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