Determining the Parameters of the Effective Rovibrational Hamiltonian of the ν7+ν8 Band of the Ethylene-1-13C Molecule

Abstract

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 language	English
Pages (from-to)	299-303
Number of pages	5
Journal	Russian Physics Journal
Volume	61
Issue number	2
DOIs	https://doi.org/10.1007/s11182-018-1401-y
Publication status	Published - 1 Jun 2018

Keywords

effective Hamiltonian
ethylene
molecular spectroscopy
rotational operators
rovibrational spectra

ASJC Scopus subject areas

Physics and Astronomy(all)

Access to Document

10.1007/s11182-018-1401-y

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Aslapovskaya, Y. S. (2018). Determining the Parameters of the Effective Rovibrational Hamiltonian of the ν₇+ν₈ Band of the Ethylene-1-¹³C Molecule. Russian Physics Journal, 61(2), 299-303. https://doi.org/10.1007/s11182-018-1401-y

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abstract = "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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AB - 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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KW - molecular spectroscopy

KW - rotational operators

KW - rovibrational spectra

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