Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/98553
Type: Artigo de periódico
Title: Infrared Gas-phase Intensity Measurements, Polar Tensors, And Effective Charges Of Trans-difluoro- And Trans-dichloroethylene
Author: Kagel R.O.
Powell D.L.
Hopper M.J.
Overend J.
Ramos M.N.
Bassi A.B.M.S.
Bruns R.E.
Abstract: All gas-phase fundamental vibrational intensities of trans-C2H2F2, -C2D2F2, -C2HDF2, -C2H2Cl2 and -C2D2Cl2 have been measured. Isotopic invariance, G sum rule, and quantum chemical information have been used as criteria in selecting preferred experimental values for the dipole-moment derivatives and polar-tensor elements of the Bu (infrared-active) symmetry species of these molecules. The polar tensors of cis-C2H2F2 and -C2H2Cl2 are shown to provide accurate estimates of the vibrational intensities of all the above-mentioned trans-difluoro- and trans-dichloroethylenes, respectively. These polar tensors are also used to calculate the directions of the in-plane dipole-moment derivatives of these molecules. © 1984 American Chemical Society.
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Rights: fechado
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Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-11744263384&partnerID=40&md5=c424b5ac208cc4290140ed5074b00af7
Date Issue: 1984
Appears in Collections:Unicamp - Artigos e Outros Documentos

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