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The effect of the combined substitution of NH4 + and Cl− on the structure of [Cs0.8(NH4)0.2]2TeBr5.6Cl0.4 powder

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Title: The effect of the combined substitution of NH4 + and Cl− on the structure of [Cs0.8(NH4)0.2]2TeBr5.6Cl0.4 powder
Authors: Belgaroui, H.1, Loukil, M. m.loukil@yahoo.fr, Karray, R.1, Ben Salah, A.1, Kabadou, A.1
Source: Journal of Alloys & Compounds. Jun2010, Vol. 499 Issue 2, pL5-L8. 0p.
Subjects: Molecular structure, Cesium, Rietveld refinement, Ammonium ions, Hydrogen bonding, Chlorine, Powder metallurgy, X-ray diffraction
Abstract: Abstract: The structure of [Cs0.8(NH4)0.2]2TeBr5.6Cl0.4 has been determined from conventional X-ray powder diffraction data, by Rietveld method, in Fm−3m cubic space group [a =10.6798(6)Å, Z =4] and was further investigated by IR spectroscopy. The refinement of the structure led to final factor χ 2 =0.068. The studied [Cs0.8(NH4)0.2]2TeBr5.6Cl0.4 compound has an antifluorite-type arrangement. The tellurium atoms are surrounded by a disordered of chlorine or bromine atoms octahedron. The Cs or N atoms are located between the octahedral ensuring the stability of the structure by ionic and hydrogen bonding. Two endothermic peaks in thermal behaviour were detected for this compound at 328K and 461K, by DSC experiment. An IR spectroscopic study is employed as a means to obtain preliminary structural information and shows the presence of the NH4 + groups. [Copyright &y& Elsevier]
Copyright of Journal of Alloys & Compounds 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.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 50960014
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: The effect of the combined substitution of NH<subscript>4</subscript> <superscript>+</superscript> and Cl<superscript>−</superscript> on the structure of [Cs<subscript>0.8</subscript>(NH<subscript>4</subscript>)<subscript>0.2</subscript>]<subscript>2</subscript>TeBr<subscript>5.6</subscript>Cl<subscript>0.4</subscript> powder
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  Data: <searchLink fieldCode="AR" term="%22Belgaroui%2C+H%2E%22">Belgaroui, H.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Loukil%2C+M%2E%22">Loukil, M.</searchLink><i> m.loukil@yahoo.fr</i><br /><searchLink fieldCode="AR" term="%22Karray%2C+R%2E%22">Karray, R.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Ben+Salah%2C+A%2E%22">Ben Salah, A.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Kabadou%2C+A%2E%22">Kabadou, A.</searchLink><relatesTo>1</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Alloys+%26+Compounds%22">Journal of Alloys & Compounds</searchLink>. Jun2010, Vol. 499 Issue 2, pL5-L8. 0p.
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  Data: <searchLink fieldCode="DE" term="%22Molecular+structure%22">Molecular structure</searchLink><br /><searchLink fieldCode="DE" term="%22Cesium%22">Cesium</searchLink><br /><searchLink fieldCode="DE" term="%22Rietveld+refinement%22">Rietveld refinement</searchLink><br /><searchLink fieldCode="DE" term="%22Ammonium+ions%22">Ammonium ions</searchLink><br /><searchLink fieldCode="DE" term="%22Hydrogen+bonding%22">Hydrogen bonding</searchLink><br /><searchLink fieldCode="DE" term="%22Chlorine%22">Chlorine</searchLink><br /><searchLink fieldCode="DE" term="%22Powder+metallurgy%22">Powder metallurgy</searchLink><br /><searchLink fieldCode="DE" term="%22X-ray+diffraction%22">X-ray diffraction</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Abstract: The structure of [Cs0.8(NH4)0.2]2TeBr5.6Cl0.4 has been determined from conventional X-ray powder diffraction data, by Rietveld method, in Fm−3m cubic space group [a =10.6798(6)Å, Z =4] and was further investigated by IR spectroscopy. The refinement of the structure led to final factor χ 2 =0.068. The studied [Cs0.8(NH4)0.2]2TeBr5.6Cl0.4 compound has an antifluorite-type arrangement. The tellurium atoms are surrounded by a disordered of chlorine or bromine atoms octahedron. The Cs or N atoms are located between the octahedral ensuring the stability of the structure by ionic and hydrogen bonding. Two endothermic peaks in thermal behaviour were detected for this compound at 328K and 461K, by DSC experiment. An IR spectroscopic study is employed as a means to obtain preliminary structural information and shows the presence of the NH4 + groups. [Copyright &y& Elsevier]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Alloys & Compounds 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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RecordInfo BibRecord:
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        Value: 10.1016/j.jallcom.2010.03.177
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      – Code: eng
        Text: English
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      – SubjectFull: Molecular structure
        Type: general
      – SubjectFull: Cesium
        Type: general
      – SubjectFull: Rietveld refinement
        Type: general
      – SubjectFull: Ammonium ions
        Type: general
      – SubjectFull: Hydrogen bonding
        Type: general
      – SubjectFull: Chlorine
        Type: general
      – SubjectFull: Powder metallurgy
        Type: general
      – SubjectFull: X-ray diffraction
        Type: general
    Titles:
      – TitleFull: The effect of the combined substitution of NH4 + and Cl− on the structure of [Cs0.8(NH4)0.2]2TeBr5.6Cl0.4 powder
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            NameFull: Belgaroui, H.
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            NameFull: Karray, R.
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              Text: Jun2010
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              Y: 2010
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