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.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 2, pp. 87–90, February, 2018.
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Aslapovskaya, Y.S. Determining the Parameters of the Effective Rovibrational Hamiltonian of the ν7+ν8 Band of the Ethylene-1-13C Molecule. Russ Phys J 61, 299–303 (2018). https://doi.org/10.1007/s11182-018-1401-y
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DOI: https://doi.org/10.1007/s11182-018-1401-y