Chemical preparation, crystallographic characterization, thermal behavior and IR studies of a new cyclotriphosphate SrTlP3O9·3H2O

K. Sbai, S. Belaaouad, Ali Abouimrane, M. Moutaabbid

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Chemical preparation, crystallographic characterization, thermal behavior and IR studies are given for two new cyclotriphosphates SrTlP3O9·3H2O and SrTlP3O9. SrTlP3O9·3H2O is orthorhombic, space group Pnma, with the following unit-cell dimensions: a=9.147(7)Å, b=8.180(7)Å, c=15.458(2)Å and Z=4. The total dehydration of SrTlP3O9·3H2O leads between 300 and 650°C to its anhydrous form SrTlP3O9. SrTlP3O9 is monoclinic, space group P21/m or P21, with the following unit-cell dimensions: a=14.544(2)Å, b=8.639(1)Å, c=7.727(1)Å, β=102.05(1)° and Z=4. The thermal behavior has been investigated and interpreted in agreement with IR absorption spectrometry and X-ray diffraction experiments. We calculated the 30 normal frequencies of the P3O9 ring with Cs symmetry and proposed the interpretation of the vibrational spectrum of SrTlP3O9·3H2O. The vibrations were assigned and precised to each frequency for different atoms of the ring on the basis of the results of the theoretical isotopic substitutions and in the light of the crystalline structure of the isotypic compounds, SrMIP3O9·3H2O (MI=Rb+, K+ and NH4 +), of SrTlP3O9·3H2O.

Original languageEnglish
Pages (from-to)915-924
Number of pages10
JournalMaterials Research Bulletin
Volume37
Issue number5
DOIs
Publication statusPublished - Apr 2002
Externally publishedYes

Fingerprint

preparation
rings
Vibrational spectra
cells
Dehydration
dehydration
vibrational spectra
Spectrometry
Substitution reactions
substitutes
Crystalline materials
X ray diffraction
Atoms
vibration
symmetry
diffraction
spectroscopy
atoms
x rays
Experiments

Keywords

  • A. Inorganic compounds
  • B. Chemical synthesis
  • C. Infrared spectroscopy
  • C. Thermogravimetric analysis (TGA)
  • C. X-ray diffraction

ASJC Scopus subject areas

  • Ceramics and Composites
  • Materials Chemistry

Cite this

Chemical preparation, crystallographic characterization, thermal behavior and IR studies of a new cyclotriphosphate SrTlP3O9·3H2O. / Sbai, K.; Belaaouad, S.; Abouimrane, Ali; Moutaabbid, M.

In: Materials Research Bulletin, Vol. 37, No. 5, 04.2002, p. 915-924.

Research output: Contribution to journalArticle

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abstract = "Chemical preparation, crystallographic characterization, thermal behavior and IR studies are given for two new cyclotriphosphates SrTlP3O9·3H2O and SrTlP3O9. SrTlP3O9·3H2O is orthorhombic, space group Pnma, with the following unit-cell dimensions: a=9.147(7){\AA}, b=8.180(7){\AA}, c=15.458(2){\AA} and Z=4. The total dehydration of SrTlP3O9·3H2O leads between 300 and 650°C to its anhydrous form SrTlP3O9. SrTlP3O9 is monoclinic, space group P21/m or P21, with the following unit-cell dimensions: a=14.544(2){\AA}, b=8.639(1){\AA}, c=7.727(1){\AA}, β=102.05(1)° and Z=4. The thermal behavior has been investigated and interpreted in agreement with IR absorption spectrometry and X-ray diffraction experiments. We calculated the 30 normal frequencies of the P3O9 ring with Cs symmetry and proposed the interpretation of the vibrational spectrum of SrTlP3O9·3H2O. The vibrations were assigned and precised to each frequency for different atoms of the ring on the basis of the results of the theoretical isotopic substitutions and in the light of the crystalline structure of the isotypic compounds, SrMIP3O9·3H2O (MI=Rb+, K+ and NH4 +), of SrTlP3O9·3H2O.",
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T1 - Chemical preparation, crystallographic characterization, thermal behavior and IR studies of a new cyclotriphosphate SrTlP3O9·3H2O

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N2 - Chemical preparation, crystallographic characterization, thermal behavior and IR studies are given for two new cyclotriphosphates SrTlP3O9·3H2O and SrTlP3O9. SrTlP3O9·3H2O is orthorhombic, space group Pnma, with the following unit-cell dimensions: a=9.147(7)Å, b=8.180(7)Å, c=15.458(2)Å and Z=4. The total dehydration of SrTlP3O9·3H2O leads between 300 and 650°C to its anhydrous form SrTlP3O9. SrTlP3O9 is monoclinic, space group P21/m or P21, with the following unit-cell dimensions: a=14.544(2)Å, b=8.639(1)Å, c=7.727(1)Å, β=102.05(1)° and Z=4. The thermal behavior has been investigated and interpreted in agreement with IR absorption spectrometry and X-ray diffraction experiments. We calculated the 30 normal frequencies of the P3O9 ring with Cs symmetry and proposed the interpretation of the vibrational spectrum of SrTlP3O9·3H2O. The vibrations were assigned and precised to each frequency for different atoms of the ring on the basis of the results of the theoretical isotopic substitutions and in the light of the crystalline structure of the isotypic compounds, SrMIP3O9·3H2O (MI=Rb+, K+ and NH4 +), of SrTlP3O9·3H2O.

AB - Chemical preparation, crystallographic characterization, thermal behavior and IR studies are given for two new cyclotriphosphates SrTlP3O9·3H2O and SrTlP3O9. SrTlP3O9·3H2O is orthorhombic, space group Pnma, with the following unit-cell dimensions: a=9.147(7)Å, b=8.180(7)Å, c=15.458(2)Å and Z=4. The total dehydration of SrTlP3O9·3H2O leads between 300 and 650°C to its anhydrous form SrTlP3O9. SrTlP3O9 is monoclinic, space group P21/m or P21, with the following unit-cell dimensions: a=14.544(2)Å, b=8.639(1)Å, c=7.727(1)Å, β=102.05(1)° and Z=4. The thermal behavior has been investigated and interpreted in agreement with IR absorption spectrometry and X-ray diffraction experiments. We calculated the 30 normal frequencies of the P3O9 ring with Cs symmetry and proposed the interpretation of the vibrational spectrum of SrTlP3O9·3H2O. The vibrations were assigned and precised to each frequency for different atoms of the ring on the basis of the results of the theoretical isotopic substitutions and in the light of the crystalline structure of the isotypic compounds, SrMIP3O9·3H2O (MI=Rb+, K+ and NH4 +), of SrTlP3O9·3H2O.

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KW - C. Thermogravimetric analysis (TGA)

KW - C. X-ray diffraction

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