Metal solid solutions obtained by thermolysis of Pt and Re salts. Crystal structure of [Pt(NH3)4](ReO4)2 |
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| Authors: | I V Korolkov A V Zadesenets S A Gromilov K V Yusenko I A Baidina S V Korenev |
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| Institution: | (1) A. V. Nikolaev Institute of Inorganic Chemistry, Siberian Division, Russian Academy of Sciences, Russia |
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| Abstract: | A complex salt of tetraammineplatinum(II) perrhenate Pt(NH3)4](ReO4)2 has been synthesized. Crystal data: a = 5.1847(6) Å, b = 7.7397(8) Å, c = 7.9540(9) Å, α = 69.531(3)°, β = 79.656(3)°, γ = 77.649(3)°, V = 290,19(6) Å3, space group $P\bar 1$ , Z = 1, d x = 4.370 g/cm3. The products of decomposition of Pt(NH3)4](ReO4)2 in a hydrogen atmosphere were investigated using X-ray phase analysis. In definite temperature modes, these are Pt0.33Re0.67 solid solutions based on Re with hcp cell parameters a = 2.76 Å, c = 4.42 Å. The products of thermolysis obtained from other precursor complex salts containing both Pt and Re were investigated. Thus Pt0.75Re0.25 solid solution with a = 3.905(3) Å was obtained from (NH4)2ReCl6]0.25PtCl6]0.75. |
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| Keywords: | platinum rhenium thermolysis crystal chemistry X-ray diffraction analysis X-ray phase analysis |
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