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http://nopr.niscpr.res.in/handle/123456789/20612| Title: | Synthesis and characterization of tetrachloroniobium(V)aryloxides and their lewis base adducts |
| Authors: | Sharma, Neeraj Bose, B Kaistha, Atul Bhatt, S S Chaudhry, S C |
| Issue Date: | Mar-2003 |
| Publisher: | NISCAIR-CSIR, India |
| Abstract: | Tetrachloroniobium (V) aryloxides of composition[NbCl4(Oar1,2)]2 (Oar1 = OC6H4But-4 and OAr2= OC6H4OMe-4) have been synthesized by the reaction of NbCl5 with 4-t-butyl and 4-methoxyphenols in CCl4. The characterization of the complexes has been accomplished by elemental analyses, conductivity measurements, molecular weight determinations, IR, 1H NMR, UV -VIS and MS techniques. Thermal behaviour of the complexes has also been studied by TOA-DTA techniques. From non-isothermal to data, the kinetic and thermodynamic parameters have been calculated using Coats-Redfern equation and the most probable mechanism for thermal decomposition of these complexes is ascertained. The reactions of complexes with a variety of nitrogenous and oxygenous bases have yielded 1:1 adducts authenticated by usual physicochemical and IR spectral studies. |
| Page(s): | 545-550 |
| ISSN: | 0975-0975(Online); 0376-4710(Print) |
| Appears in Collections: | IJC-A Vol.42A(03) [March 2003] |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| IJCA 42A(3) 545-550.pdf | 1.41 MB | Adobe PDF | View/Open |
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