Two new methylpolyynes, CH 3 (C'C) 6 H (tridecahexayne) and CH 3 (C'C) 7 H (pentadecaheptayne), have been detected in a supersonic molecular beam by Fourier transform microwave spectroscopy. A total of 20 transitions of CH 3 (C'C) 6 H in the K ϭ 0 and 1 rotational ladders and 8 transitions of CH 3 (
The microwave spectra of symmetric top polyacetylenes: 1,3,5-Heptatriyne, CH3(CC)3H and 1-cyano-2,4-pentadiyne, CH3(CC)2CN
✍ Scribed by A.J. Alexander; H.W. Kroto; M. Maier; D.R.M. Walton
- Publisher
- Elsevier Science
- Year
- 1978
- Tongue
- English
- Weight
- 636 KB
- Volume
- 70
- Category
- Article
- ISSN
- 0022-2852
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The ground state rotational spectra of four methylcyanopolyynes CH 3 (C'C) 2 CN, CH 3 (C'C) 3 CN, CH 3 (C'C) 4 CN, and CH 3 (C'C) 5 CN were measured between 6 and 22 GHz by Fourier transform microwave spectroscopy. For CH 3 (C'C) 2 CN, previously observed by Alexander et al. [J. Mol. Spectrosc. 70,
Following the laboratory detection by Fourier transform microwave spectroscopy of the four new methylcyanopolyynes described in the accompanying paper by W. Chen et al. (J. Mol. Spectrosc. 1998), we detected two new methylpolyynes, CH3(C identical withC)4H and CH3(C identical withC)5H. The strongest