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| Content Provider | Royal Society of Chemistry (RSC) |
|---|---|
| Author | Girlando, Alberto Pecile, Cesare |
| Copyright Year | 1973 |
| Abstract | The Raman spectra of powders and solutions of biphenylene, [2,3,6,7-2H4]biphenylene, and [2H8]biphenylene are presented. The frequencies assigned to the ag modes, together with those attributed in a previous paper to the b1u and b2u modes, are used as a reliable experimental basis to develop a normal coordinate analysis of the in-plane vibrations.A 28 parameter Valence Force Field, derived from the one which works successfully in the similar case of aromatic hydrocarbons, gives a satisfactory description of the vibrational modes, reproduces the observed frequencies with an average error of less than 10 cm–1, and supports the proposed assignment of the b3g modes.Raman active out-of-plane modes and lattice vibrations are discussed, and the assignment of the librational modes is proposed through Cruickshank's equation, relating the frequencies of these motions to their mean square amplitude. |
| Starting Page | 818 |
| Ending Page | 830 |
| Page Count | 13 |
| File Format | |
| ISSN | 03009238 |
| Volume Number | 69 |
| Journal | Journal of the Chemical Society, Faraday Transactions 2 |
| DOI | 10.1039/F29736900818 |
| Language | English |
| Publisher | Royal Society of Chemistry |
| Access Restriction | Open |
| Subject Keyword | Valence Force Field Biphenylene Cruickshank Crystal structure |
| Content Type | Text |
| Resource Type | Article |
| Subject | Atomic and Molecular Physics, and Optics Physical and Theoretical Chemistry |
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