Cobalt(II)-organische Phosphaniminato-Komplexe mit Heterocuban-Struktur. Kristallstrukturen von [CoBr(NPR3)]4 mit R = Me, Et, [Co(C≡C-CMe3)(NPMe3)]4 und [Co(C≡C-SiMe3)(NPEt3)]4

Riese, Ulrike; Harms, Klaus; Neumüller, Bernhard; Dehnicke, Kurt

doi:10.1002/(sici)1521-3749(199808)624:8<1279::aid-zaac1279>3.0.co;2-k

Cited by 6 publications

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“…By reaction of N -silylphosphane−imines with halides of transition metals of the 3d series in their formal oxidation state +2, heterocubane structures are formed. Complexes of manganese, − iron, cobalt, ,, nickel, , zinc, ,, and the 4d element cadmium have been characterized by crystal structure determination. Recently, a review has been published on this subject .…”

Section: Introductionmentioning

confidence: 99%

Phosphorane−Iminato Complexes of Transition Metals with Heterocubane Structure: A Computational Study

Sundermann

Schoeller

2000

J. Am. Chem. Soc.

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The electronic structure of phosphorane-iminato complexes of transition metals is studied by means of ab initio/DFT methods. Accordingly, the transition metal nitrogen bond is best described as an ionic interaction between a transition metal complex fragment and the strongly polarized NPH 3 -ligand. By elaborate MCSCF calculations a weak antiferromagnetic coupling of the four transition metal centers in the cubane core is predicted. This coupling can be represented by a simple Heisenberg Hamiltonian.

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Section: Introductionmentioning

confidence: 99%

Phosphorane−Iminato Complexes of Transition Metals with Heterocubane Structure: A Computational Study

Sundermann

Schoeller

2000

J. Am. Chem. Soc.

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[Cu12(NPEt3)8]4 + und [Ag12(NPEt3)8]4 +: Cubanstrukturen

et al. 1999

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On the Donor Ability of the Phosphaneiminato Substituent and Cube Formation with Transition Metal Fragments

Schoeller

2003

Zeitschrift anorg allge chemie

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The particular role of the phosphaneiminato ligand as a donor is investigated for a) nitrenes (phosphinidenes) and carbenes and b) cubane formation with transition metals. Accordingly, and as shown for the case a) the ligand is a stronger π‐donor than an amino group and can be considered as a special case of imine‐type substituents. The latter are very effective in π‐donation. In the case b), i.e. the cubane formation with transition metals, one has to consider transition metals with a partially or completely filled d‐shell (with electrons). Hence depending on the transition metal, cubanes are build with weak ferromagnetic coupled or closed shell systems. For the cubanes with closed shell character the matter of insertion of halide anions is discussed. In the last chapter of the review the bond stretching in the dithionitrosyl complexes with rhenium is characterized.

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Cobalt(II)-organische Phosphaniminato-Komplexe mit Heterocuban-Struktur. Kristallstrukturen von [CoBr(NPR3)]4 mit R = Me, Et, [Co(C≡C-CMe3)(NPMe3)]4 und [Co(C≡C-SiMe3)(NPEt3)]4

Cited by 6 publications

References 12 publications

Phosphorane−Iminato Complexes of Transition Metals with Heterocubane Structure: A Computational Study

Phosphorane−Iminato Complexes of Transition Metals with Heterocubane Structure: A Computational Study

[Cu12(NPEt3)8]4 + und [Ag12(NPEt3)8]4 +: Cubanstrukturen

On the Donor Ability of the Phosphaneiminato Substituent and Cube Formation with Transition Metal Fragments

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