Ralf Haiges - Coordination Adducts of Niobium(V) and Tantalum(V) Azide M(N3)5 (M=Nb, Ta) with Nitrogen Donor Ligands and their Self-Ionization.

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      Publication Details (including relevant citation   information): Haiges, Ralf, Deokar, Piyush, Christe,   Karl O., Angew. Chem., Int. Ed., 2014,   53 (21), pp 5431-5434

      Abstract: Several new donor-acceptor adducts of   niobium and tantalum pentaazide with N-donor ligands have been   prepd. 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[n.8901]L   (M=Nb, Ta; L=3,3'-bipy, 4,4'-bipy) were formed. [on SciFinder(R)]

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