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Issue 2, 2001
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Nitrido bridges between transition metals and main group elementsillustrated by the series [M]NNa to [M]NCl

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Abstract

A survey is given of the structures and bonding modes of nitrido bridges between transition metals with MN multiple bonds and main group elements. Illustrated by the period row sodium (I) to chlorine (VII) (or a homologue) along with variable transition metals M, characteristic examples are compiled, their principles of synthesis are presented and the step-by-step alterations of the bonding conditions that occur in this period are discussed on the basis of structural parameters. These bonding conditions can be divided into three groups.

(1)  Electrostatic bond between nitrido ligand and main group element (I, II)

(2)  Covalent single bond (III, IV)

(3)  Multiple bonds between both neighbouring elements (V–VII)

One example each is designed to illustrate this aim:

(i) Na6[MoN4];

(ii) [Mg(THF)4{NMoCl4(THF)}2 ];

(iii) [Re[triple bond, length half m-dash]N–GaCl3(PMe2Ph)(Et 2dtc)2] (no example with Al is known up to now);

(iv) Cl3V[triple bond, length half m-dash]N–SiMe3;

(v) O3Re[double bond, length half m-dash]N[double bond, length half m-dash]PMe3;

(vi) [Cl5W[double bond, length half m-dash]N[double bond, length half m-dash]SCl];

(vii) [F5W[double bond, length half m-dash]NCl].

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Publication details

The article was received on 26 Sep 2000 and first published on 06 Feb 2001


Article type: Review Article
DOI: 10.1039/A802635A
Citation: Chem. Soc. Rev., 2001,30, 125-135
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    Nitrido bridges between transition metals and main group elements illustrated by the series [M]NNa to [M]NCl

    K. Dehnicke, F. Weller and J. Strähle, Chem. Soc. Rev., 2001, 30, 125
    DOI: 10.1039/A802635A

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