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Adducts of niobium(V) and tantalum(V) halides. XII. Dissociative-associative crossover for the ligand-substitution mechanism in octahedral adducts of niobium(V) and tantalum(V) halides

✍ Scribed by Good, Rene.; Merbach, Andre E.

Book ID
120563192
Publisher
American Chemical Society
Year
1975
Tongue
English
Weight
631 KB
Volume
14
Category
Article
ISSN
0020-1669

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πŸ“œ SIMILAR VOLUMES

Adducts of Niobium (V) and Tantalum (V)
Adducts of Niobium (V) and Tantalum (V) Halides. XV. Ligand Exchange of the Adducts with Some Phosphoryl Compounds
✍ Christian M. P. Favez; AndrΓ© E. Merbach πŸ“‚ Article πŸ“… 1977 πŸ› John Wiley and Sons 🌐 German βš– 414 KB

The ligand exchange MX5 . L + \*L 8 MX, . \*L + L for the octahedral adducts MX, . L, in an inert solvent (CH2CI2 or CHCI,) with neutral ligands, proceeds via a dissociative D mechanism when M = Nb, X = C1 and L= phosphoryl compound. A dissociative interchange Id mechanism is suggested when M = N b

Adducts of niobium(V) and tantalum(V) ha
Adducts of niobium(V) and tantalum(V) halides. XIV. Structure and relative stability of the adducts with some phosphoryl compounds
✍ Christian M. P. Favez; Henri Rollier; AndrΓ© E. Merbach πŸ“‚ Article πŸ“… 1976 πŸ› John Wiley and Sons 🌐 German βš– 461 KB

## Abstract The adducts of niobium(V) and tantalum(V) halides with some phosphoryl compounds have been studied in chloroform solution by ^1^H‐ and ^19^F‐FT‐NMR. spectroscopy. These octahedral adducts of general formula MX~5~ Β· L (M = Nb, Ta; X = F, Cl, Br; L = phosphoryl ligand) are monomeric and n