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| Content Provider | Royal Society of Chemistry (RSC) |
|---|---|
| Author | Kermarec, Maggy Lepetit, Christine Cai, Feng Xian Olivier, Daniele |
| Copyright Year | 1989 |
| Abstract | The i.r. characterization of supported NiI trialkylphosphine (TAP) complexes NiI(TAP)n(n < 3) is performed using a CO probe molecule. The affinities of NiII and NiI ions for CO are compared. It is evidenced that TAP is a stronger ligand than CO: NiI(TAP)n(n < 3) complexes cannot coordinate more than one CO ligand at low CO pressure, whereas phosphine-free NiI complexes can coordinate two CO molecules. The increase of electron density on the metal ion causes a shift downwards of the νco frequency, proportional to the number and to the basicity of TAP ligands. It also produce a weakening of the M—CO bond, resulting in the easier removal of CO. |
| Starting Page | 1991 |
| Ending Page | 2000 |
| Page Count | 10 |
| File Format | |
| ISSN | 03009599 |
| Volume Number | 85 |
| Issue Number | 8 |
| Journal | Journal of the Chemical Society, Faraday Transactions 1 |
| DOI | 10.1039/F19898501991 |
| Language | English |
| Publisher | Royal Society of Chemistry |
| Access Restriction | Open |
| Subject Keyword | Ligand Covalent bond Ion |
| Content Type | Text |
| Resource Type | Article |
| Subject | Chemistry |
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