Determining the Parameters of the Effective Rovibrational Hamiltonian of the ν78 Band of the Ethylene-1-13C Molecule

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The spectrum of the ν7 + ν8 band of the ethylene-1-13C (13C12СH4) molecule is recorded with a Bruker IFS 125 HR Fourier spectrometer in the range from 1500 to 2100 cm–1 with a resolution of 0.0025 cm–1. As a result of analysis of the experimental spectrum, more than 1000 transitions belonging to the ν7 + ν8 band are assigned. Parameters of the Hamiltonian obtained as a result of solving the inverse spectroscopic problem reproduce 400 initial experimental energies with error close to the experimental one.

Original languageEnglish
Pages (from-to)299-303
Number of pages5
JournalRussian Physics Journal
Issue number2
Publication statusPublished - 1 Jun 2018



  • effective Hamiltonian
  • ethylene
  • molecular spectroscopy
  • rotational operators
  • rovibrational spectra

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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