The title compound, [N(PPh3)2][Rh6N(CO)15], crystallizes in the triclinic space group P1, with cell constants a = 19.841(5), b = 9.156(3), c = 16.066(5) Å, α = 95.88(3), β = 70.12(3), γ = 87.99(3)°, and Z = 2. The structure solution and refinements have been based on 6 401 significant single-crystal X-ray counter data, the final conventional R value being 0.034. The anion contains a trigonal prism of rhodium atoms with a central nitrogen atom. The Rh-Rh bond lengths belong to two classes: those within the two basal triangles (mean 2.763 Å) and the interbasal ones (mean 2.828 Å). The Rh-N interactions have a mean value of 2.130 Å. Six carbonyl ligands are bound terminally, one per rhodium atom (mean Rh-C and C-O 1.863 and 1.134 Å), and nine bridge all the polyhedral edges (mean Rh-C and C-O 2.095 and 1.153 Å). The structure is discussed in comparison with those of related carbido-carbonyl cluster species.

Rhodium carbonyl clusters with interstitial nitrogen atoms. Part 1. Crystal and molecular structure of the bis(triphenylphosphine)iminium salt of the anion ennea-μ-carbonyl-hexacarbonyl-μ 6-nitrido-polyhedro-hexarhodate(1-) / R. Bonfichi, G. Ciani, A. Sironi, S. Martinengo. - In: JOURNAL OF THE CHEMICAL SOCIETY DALTON TRANSACTIONS. - ISSN 0300-9246. - :2(1983), pp. 253-256.

Rhodium carbonyl clusters with interstitial nitrogen atoms. Part 1. Crystal and molecular structure of the bis(triphenylphosphine)iminium salt of the anion ennea-μ-carbonyl-hexacarbonyl-μ 6-nitrido-polyhedro-hexarhodate(1-)

G. Ciani
Secondo
;
A. Sironi
Penultimo
;
1983

Abstract

The title compound, [N(PPh3)2][Rh6N(CO)15], crystallizes in the triclinic space group P1, with cell constants a = 19.841(5), b = 9.156(3), c = 16.066(5) Å, α = 95.88(3), β = 70.12(3), γ = 87.99(3)°, and Z = 2. The structure solution and refinements have been based on 6 401 significant single-crystal X-ray counter data, the final conventional R value being 0.034. The anion contains a trigonal prism of rhodium atoms with a central nitrogen atom. The Rh-Rh bond lengths belong to two classes: those within the two basal triangles (mean 2.763 Å) and the interbasal ones (mean 2.828 Å). The Rh-N interactions have a mean value of 2.130 Å. Six carbonyl ligands are bound terminally, one per rhodium atom (mean Rh-C and C-O 1.863 and 1.134 Å), and nine bridge all the polyhedral edges (mean Rh-C and C-O 2.095 and 1.153 Å). The structure is discussed in comparison with those of related carbido-carbonyl cluster species.
Settore CHIM/03 - Chimica Generale e Inorganica
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/2434/183804
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