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Extended X-Ray-Absorption Fine-Structure Spectroscopic Study of Acetone Solutions of Zinc and Lead(Ii) Ethylxanthate

Valli, M.; Persson, Per LU and Persson, I. (1994) In Acta Chemica Scandinavica 48. p.810-814
Abstract
EXAFS and vibrational spectra of acetone solutions of zinc and lead(II) ethylxanthate have been recorded in order to correlate structural data with absorption bands in the mid-infrared region. Two ethylxanthate ions are monodentately coordinated to both zinc and lead(II) in acetone solution. Two acetone molecules are weakly coordinated to zinc to complete a tetrahedral configuration round zinc, while no acetone molecules were found in the inner sphere of the lead(II) complex. A band containing a large contribution from the C-S stretching, observed just above 1000 cm(-1) in solid zinc and lead(II) ethylxanthate, where the ethylxanthate ion is bridgingly and bidentately coordinated, respectively, shifts upwards by 20 and 17 cm(-1) in the... (More)
EXAFS and vibrational spectra of acetone solutions of zinc and lead(II) ethylxanthate have been recorded in order to correlate structural data with absorption bands in the mid-infrared region. Two ethylxanthate ions are monodentately coordinated to both zinc and lead(II) in acetone solution. Two acetone molecules are weakly coordinated to zinc to complete a tetrahedral configuration round zinc, while no acetone molecules were found in the inner sphere of the lead(II) complex. A band containing a large contribution from the C-S stretching, observed just above 1000 cm(-1) in solid zinc and lead(II) ethylxanthate, where the ethylxanthate ion is bridgingly and bidentately coordinated, respectively, shifts upwards by 20 and 17 cm(-1) in the corresponding zinc and lead(II) complexes, respectively, in acetone solution. An upward shift by about 8 cm(-1) is found in the nickel(II) and arsenic(III) complexes, where the coordination of the ethylxanthate ion remains unchanged but acetone molecules solvate the central ion to complete an octahedral configuration. No shift was found in iron(III) ethylxanthate, where the coordination remains unchanged and no acetone molecules solvate the iron(III) ion. (Less)
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publishing date
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publication status
published
subject
in
Acta Chemica Scandinavica
volume
48
pages
810 - 814
publisher
Munksgaard International Publishers
ISSN
0904-213X
DOI
10.3891/acta.chem.scand.48-0810
language
English
LU publication?
no
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1eb29836-db2e-4529-a330-f32036a80173 (old id 4332717)
date added to LUP
2014-03-04 09:44:40
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2016-06-29 09:14:06
@article{1eb29836-db2e-4529-a330-f32036a80173,
  abstract     = {EXAFS and vibrational spectra of acetone solutions of zinc and lead(II) ethylxanthate have been recorded in order to correlate structural data with absorption bands in the mid-infrared region. Two ethylxanthate ions are monodentately coordinated to both zinc and lead(II) in acetone solution. Two acetone molecules are weakly coordinated to zinc to complete a tetrahedral configuration round zinc, while no acetone molecules were found in the inner sphere of the lead(II) complex. A band containing a large contribution from the C-S stretching, observed just above 1000 cm(-1) in solid zinc and lead(II) ethylxanthate, where the ethylxanthate ion is bridgingly and bidentately coordinated, respectively, shifts upwards by 20 and 17 cm(-1) in the corresponding zinc and lead(II) complexes, respectively, in acetone solution. An upward shift by about 8 cm(-1) is found in the nickel(II) and arsenic(III) complexes, where the coordination of the ethylxanthate ion remains unchanged but acetone molecules solvate the central ion to complete an octahedral configuration. No shift was found in iron(III) ethylxanthate, where the coordination remains unchanged and no acetone molecules solvate the iron(III) ion.},
  author       = {Valli, M. and Persson, Per and Persson, I.},
  issn         = {0904-213X},
  language     = {eng},
  pages        = {810--814},
  publisher    = {Munksgaard International Publishers},
  series       = {Acta Chemica Scandinavica},
  title        = {Extended X-Ray-Absorption Fine-Structure Spectroscopic Study of Acetone Solutions of Zinc and Lead(Ii) Ethylxanthate},
  url          = {http://dx.doi.org/10.3891/acta.chem.scand.48-0810},
  volume       = {48},
  year         = {1994},
}