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Coordination Adducts of niobium(V) and tantalum(V) Azide M(N₃)₅ (M=Nb, Ta) With Nitrogen Donor Ligands and Their Self-Ionization

Coordination Adducts of niobium(V) and tantalum(V) Azide M(N₃)₅ (M=Nb, Ta) With Nitrogen Donor Ligands and Their Self-Ionization

Ralf Haiges, Piyush Deokar, Karl O Christe

Angew Chem Int Ed Engl. 2014 May 19;53(21):5431-4.

PMID: 24756882

Abstract:

Several new donor-acceptor adducts of niobium and tantalum pentaazide with N-donor ligands have been prepared from the pentafluorides by fluoride-azide exchange with Me3SiN3 in the presence of the corresponding donor ligand. With 2,2'-bipyridine and 1,10-phenanthroline, the self-ionization products [MF4(2,2'-bipy)2](+)[M(N3)6](-), [M(N3)4(2,2'-bipy)2](+)[M(N3)6](-) and [M(N3)4(1,10-phen)2](+)[M(N3)6](-) were obtained. With the donor ligands 3,3'-bipyridine and 4,4'-bipyridine the neutral pentaazide adducts (M(N3)5)2⋅L (M=Nb, Ta; L=3,3'-bipy, 4,4'-bipy) were formed.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP7783688	Niobium(V) fluoride		7783-68-8	Price
AP7783713	Tantalum(V) fluoride		7783-71-3	Price

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