Zobrazeno 1 - 10
of 476
pro vyhledávání: '"S.J. CYVIN"'
Publikováno v:
Journal of Molecular Structure. :211-216
The mean vibrational amplitudes of 1,3-butadiene, acrolein, and glyoxal have been calculated by explicitly including the effects of kinematic anharmonicity, and are compared with the corresponding amplitudes with this effect neglected. The scaled and
The present monograph is a continuation of Cyvin SJ, Brunvoll J and Cyvin (1991c), a reference to be found in Bibliography. Naturally, the previous volume is cited frequently here. For the sake of brevity, it is referred to as'Volume I'. References t
Autor:
S.J. Cyvin
Publikováno v:
Journal of Molecular Structure: THEOCHEM. 262:219-231
Publikováno v:
Journal of Molecular Structure. :x-xi
Publikováno v:
Spectrochimica Acta Part A: Molecular Spectroscopy. 32:1141-1147
The Raman spectra of gaseous, liquid and solid SF4 have been re-examined. Polarization measurements allow the unambiguous identification of the A1 modes. The i.r. spectrum of SF4 isolated in N2 matrix has been recorded and 32S34S isotopic shifts h
Publikováno v:
Journal of Molecular Structure: THEOCHEM. 200:261-275
Autor:
S.J. Cyvin, I. Gutman
Publikováno v:
Journal of Molecular Structure: THEOCHEM. 164:183-188
Publikováno v:
Journal of Molecular Structure. 21:37-40
Iterative procedures based on the parametrization of force fields are applied to HCOOH. In-plane force constants are deduced by means of an adjustment to mean amplitudes from electron diffraction. Minimum and maximum values of mean amplitudes for the
Autor:
S.J. Cyvin, B.N. Cyvin
Publikováno v:
Journal of Molecular Structure. 24:177-185
Comments are given on different representations of the force fields for LiBeF 3 and Li 2 BeF 4 . For both structures a planar bridged C 2v model has been adopted. A representation ( F ) in terms of symmetry coordinates is obtained by a transformation
Autor:
S.J. Cyvin
Publikováno v:
Spectrochimica Acta Part A: Molecular Spectroscopy. 30:263-269
The influence of complexation on ligand vibrational frequencies are studied in terms of the kinematic effect. Three linear models, M ⋯ A—B, B—A ⋯ A—B and B—A ⋯ M ⋯ A—B, are analysed theoretically. Numerical computations are reported