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000055222 0247_ $$2DOI$$a10.1016/j.vibspec.2006.06.003
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000055222 041__ $$aeng
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000055222 084__ $$2WoS$$aChemistry, Analytical
000055222 084__ $$2WoS$$aChemistry, Physical
000055222 084__ $$2WoS$$aSpectroscopy
000055222 1001_ $$0P:(DE-Juel1)VDB9206$$aMeier, R. J.$$b0$$uFZJ
000055222 245__ $$aCalculating the vibrational spectra of molecules: An introduction for experimentalists with contemprary examples
000055222 260__ $$aAmsterdam [u.a.]$$bElsevier Science$$c2007
000055222 300__ $$a26 - 37
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000055222 440_0 $$010442$$aVibrational Spectroscopy$$v43$$x0924-2031
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000055222 520__ $$aThe theoretical evaluation of vibrational spectra has, in the past, played a crucial role regarding assignment of vibrational spectra, an aspect that might be largely forgotten. This, however, is actually ever so true today, where despite the presence of data bases of spectra (atlas of spectra) there is still a large number of species including, though certainly not exclusively, less stable species which have spectra lacking appropriate interpretation. In recent years the capabilities to calculate vibrational spectra have greatly improved. In this review the basic various approaches are introduced. For practical use, the use of comparatively simple tools including Hartree-Fock level or standard DFT type calculations often already do a very good job at the comparative level. An important recent development includes the observation that differences between experimental and calculated frequencies are largely due to neglect of anharmonicity rather than the theoretical method employed. Methods to include anharmonicity are becoming available for users. The introduction of methods allowing for periodic calculations, involving full 3D molecular structures, lead to new opportunities and final answers to long-standing issues. A number of examples are provided showing where calculated spectra have provided unique added value to experimental work. (C) 2006 Elsevier B.V. All rights reserved.
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000055222 65320 $$2Author$$ainfrared spectroscopy
000055222 65320 $$2Author$$aRaman spectroscopy
000055222 65320 $$2Author$$avibrational spectroscopy
000055222 65320 $$2Author$$acomputational chemistry
000055222 65320 $$2Author$$amolecular modelling
000055222 65320 $$2Author$$avibrational intensities
000055222 773__ $$0PERI:(DE-600)1500818-6$$a10.1016/j.vibspec.2006.06.003$$gVol. 43, p. 26 - 37$$p26 - 37$$q43<26 - 37$$tVibrational spectroscopy$$v43$$x0924-2031$$y2007
000055222 8567_ $$uhttp://dx.doi.org/10.1016/j.vibspec.2006.06.003
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