Anharmonic force field of acetylene
Strey, G. and Mills, I. (1976) Anharmonic force field of acetylene. Journal of Molecular Spectroscopy, 59 (1). pp. 103-115. ISSN 0022-2852
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To link to this article DOI: 10.1016/0022-2852(76)90046-1
The harmonic and anharmonic force field of acetylene has been determined in a least-squares calculation from recently determined data on the spectroscopic constants of various isotopic species (including the vibrational l-doubling constant). A general quadratic and cubic force field was used, but a constrained quartic force field containing only 8 of the 23 possible quartic constants. The results are discussed and compared with earlier work.