Microwave spectrum of 2-methyltetrahydrofuran


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The microwave spectrum of 2-methyltetrahydrofuran in the ground vibrational state is studied. Rotational transitions belonging to one conformer of the molecule are found; no lines belonging to other conformers are detected in the spectrum. Such spectroscopic parameters of a molecule as rotational and quartic centrifugal distortion constants are determined using a set of identified rotational transitions in the quasirigid rotor approximation. Components of the dipole moment of a molecule in the principal axes system are determined from the Stark effect for four rotational transitions. Stable conformations of the molecule are sought by means of B3PW91 and B3LYP with aug-cc-pVXZ (X = D, T, Q) basis sets. A possible stable conformation of the molecule is discussed.

Sobre autores

M. Faizullin

Institute of Molecule and Crystal Physics

Autor responsável pela correspondência
Email: fayzullinmg@yandex.ru
Rússia, Ufa, 450075

R. Galeev

Institute of Molecule and Crystal Physics

Email: fayzullinmg@yandex.ru
Rússia, Ufa, 450075

A. Mamleev

Institute of Molecule and Crystal Physics

Email: fayzullinmg@yandex.ru
Rússia, Ufa, 450075

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