Vibrational spectra of styrene and its seven deuterated vinylic isotopomers: Complete assignment of the spectra by valence force field calculations

1980 ◽  
Vol 36 (11) ◽  
pp. 941-956 ◽  
Author(s):  
Annette Marchand ◽  
Jean-Paul Quintard
Keyword(s):  
Force Field ◽  
Vibrational Spectra ◽  
Force Field Calculations ◽  
Valence Force ◽  
Valence Force Field ◽  
Complete Assignment

Schwingungsspektren und Kraftkonstanten der Hexacyano-Komplexe des Mangan(I), Technetium(I) und Rhenium(I) / Vibrational Spectra and Force Constants of the Hexacyano Complexes of Mangan(l), Technicium(I) and Rhenium(l)

1972 ◽  
Vol 27 (8-9) ◽  
pp. 1193-1196 ◽  
Author(s):  
W. Krasser ◽  
K. Schwochau
Keyword(s):  
Force Field ◽  
Raman Spectra ◽  
Vibrational Spectra ◽  
Point Group ◽  
Force Constants ◽  
Irreducible Representations ◽  
Infrared And Raman Spectra ◽  
Valence Force ◽  
Valence Force Field ◽  
Complex Salts

The infrared and Raman spectra of the complex salts K5[Mn(CN)6], K5[Tc(CN)6] and K5[Re(CN)s] have been recorded in the range from 4000 to 40 cm-1. All expected fundamental vibrations have been observed and could be assigned to the irreducible representations of the sym­metry point group Oh . The calculation of the force constants is based on the concept of the generalized valence force field. The low CN-valence force constants indicate the relatively strong Π-bonding character of the metal carbon bond, which is especially pronounced for K5[Tc(CN)6).

Vibrational Spectra, Assignments, and Valence Force Field for S-nitrosocysteine and Isotopic Analogs

1984 ◽  
Vol 38 (2) ◽  
pp. 200-203 ◽  
Author(s):  
D. Michael Byler ◽  
Heino Susi ◽  
Walter V. Gerasimowicz
Keyword(s):  
Force Field ◽  
Vibrational Spectra ◽  
Valence Force ◽  
Valence Force Field

Notizen:Schwingungseigenschaften des TeO42- -Ions/ Vibrational Properties of the TeO42--Ion

1978 ◽  
Vol 33 (10) ◽  
pp. 1226-1227
Author(s):  
Enrique J. Baran
Keyword(s):  
Force Field ◽  
Related Species ◽  
Force Constants ◽  
Vibrational Properties ◽  
Bond Orders ◽  
Mean Amplitudes Of Vibration ◽  
Valence Force ◽  
Valence Force Field ◽  
Complete Assignment

Abstract A complete assignment of the fundamental vibrations of the tetrahedral TeO42- ion is proposed and its principal force constants have been calculated using the modified valence force field. Mean amplitudes of vibration and bond orders are also estimated. The results are briefly discussed and some comparisons with related species are made.

Vibrational Spectra and Normal Coordinate Calculations of Chlorophosphazene Compounds. III. Polydichlorophosphazene

1982 ◽  
Vol 36 (3) ◽  
pp. 277-281 ◽  
Author(s):  
M. M. Coleman ◽  
J. Zarian ◽  
P. C. Painter
Keyword(s):  
Force Field ◽  
Vibrational Spectra ◽  
Reasonable Agreement ◽  
Normal Modes ◽  
Normal Coordinate ◽  
Valence Force ◽  
Valence Force Field

Vibrational spectra and normal coordinate calculations of polydichlorophosphazene (PDP) are presented. The valence force field derived previously from the two conformers of octachlorocyclotetraphosphazene was directly transferred to a distorted “cis-plan” helical model of PDP without refinement. A reasonable agreement between the observed and calculated frequencies was obtained and the assignment of the normal modes of PDP is discussed.

scholarly journals The Vibrational Spectra of Silane and Germane Derivatives. Part IV. The Infrared and Raman Spectra of the Iodo(methyl)germanes

1971 ◽  
Vol 49 (18) ◽  
pp. 2931-2936 ◽  
Author(s):  
J. W. Anderson ◽  
G. K. Barker ◽  
J. E. Drake And ◽  
R. T. Hemmings
Keyword(s):  
Force Field ◽  
Raman Spectra ◽  
Vibrational Spectra ◽  
A Priori ◽  
Normal Coordinate Analysis ◽  
Infrared And Raman Spectra ◽  
Normal Coordinate ◽  
Valence Force ◽  
Valence Force Field ◽  
Fundamental Frequencies

The infrared and Raman spectra of the series of iodo(methyl)germanes, CH3GeI3, (CH3)2GeI2, and (CH3)3GeI have been recorded. A normal coordinate analysis based on a modified valence force field confirms the a priori assignments for all of the fundamental frequencies except the torsional modes.

Valence Force Field of CX3YZ2and the Vibrational Spectra of CF3NO2, CCl3NO2, and CBr3NO2

1966 ◽  
Vol 44 (4) ◽  
pp. 1577-1584 ◽  
Author(s):  
Alex Castelli ◽  
Ann Palm ◽  
Chester Alexander
Keyword(s):  
Force Field ◽  
Vibrational Spectra ◽  
Valence Force ◽  
Valence Force Field
Sign in / Sign up

Export Citation Format

Share Document