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Vibrational and NMR spectra of alkali metal salts of 3-amino-, 3-hydroxy- and 3-halogenobenzoic acids

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Title: Vibrational and NMR spectra of alkali metal salts of 3-amino-, 3-hydroxy- and 3-halogenobenzoic acids
Authors: Regulska, E.1, Samsonowicz, M.1, Świsłocka, R.1, Lewandowski, W. wlewando@pb.bialystok.pl
Source: Journal of Molecular Structure. Jun2005, Vol. 744-747, p353-361. 9p.
Subjects: Spectrum analysis, Raman effect, Potassium, Sodium
Abstract: Abstract: The alkali metal series (Li→Na→K→Rb→Cs) of 3-amino-, 3-hydroxy- and 3-halogenobenzoates were studied. The FT-IR and FT-Raman spectra of lithium, sodium, potassium, rubidium and cesium salts were recorded, assigned, analyzed and compared. The electronic and NMR (1H and 13C) spectra were recorded and analyzed too. The wavenumbers of the bands are different in the series Li→Cs in the case of all studied acids. The influence of various substituents: amino, hydroxyl and halogen groups on the electronic charge distribution in studied compounds were investigated. The wavenumbers of the aromatic ring bands change toward the series of studied substituents. Most of them increase in the series I→NH2→OH (18a in IR and Raman spectra, 18b in IR spectra, 19a and 6a in IR spectra). The magnitudes of separation between wavenumbers due to asymmetrical and symmetrical stretching vibration of COO− group increases in the series H→NH2→I→OH for potassium, sodium and rubidium. [Copyright &y& Elsevier]
Copyright of Journal of Molecular Structure is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Vibrational and NMR spectra of alkali metal salts of 3-amino-, 3-hydroxy- and 3-halogenobenzoic acids
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  Data: <searchLink fieldCode="AR" term="%22Regulska%2C+E%2E%22">Regulska, E.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Samsonowicz%2C+M%2E%22">Samsonowicz, M.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Świsłocka%2C+R%2E%22">Świsłocka, R.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Lewandowski%2C+W%2E%22">Lewandowski, W.</searchLink><i> wlewando@pb.bialystok.pl</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Molecular+Structure%22">Journal of Molecular Structure</searchLink>. Jun2005, Vol. 744-747, p353-361. 9p.
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  Data: <searchLink fieldCode="DE" term="%22Spectrum+analysis%22">Spectrum analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Raman+effect%22">Raman effect</searchLink><br /><searchLink fieldCode="DE" term="%22Potassium%22">Potassium</searchLink><br /><searchLink fieldCode="DE" term="%22Sodium%22">Sodium</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: Abstract: The alkali metal series (Li→Na→K→Rb→Cs) of 3-amino-, 3-hydroxy- and 3-halogenobenzoates were studied. The FT-IR and FT-Raman spectra of lithium, sodium, potassium, rubidium and cesium salts were recorded, assigned, analyzed and compared. The electronic and NMR (1H and 13C) spectra were recorded and analyzed too. The wavenumbers of the bands are different in the series Li→Cs in the case of all studied acids. The influence of various substituents: amino, hydroxyl and halogen groups on the electronic charge distribution in studied compounds were investigated. The wavenumbers of the aromatic ring bands change toward the series of studied substituents. Most of them increase in the series I→NH2→OH (18a in IR and Raman spectra, 18b in IR spectra, 19a and 6a in IR spectra). The magnitudes of separation between wavenumbers due to asymmetrical and symmetrical stretching vibration of COO− group increases in the series H→NH2→I→OH for potassium, sodium and rubidium. [Copyright &y& Elsevier]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Molecular Structure is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.molstruc.2004.11.061
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        Text: English
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      – SubjectFull: Raman effect
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      – SubjectFull: Potassium
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            – D: 03
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              Text: Jun2005
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              Y: 2005
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