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<p>Structures of a family of new hydrated and anhydrous perrhenates of lead and strontium have been determined. Sr(ReO<sub>4</sub>)<sub>2</sub>·H<sub>2</sub>O is isostructural to Ce(CrO<sub>4</sub>)<sub>2</sub>·H<sub>2</sub>O and Th(CrO<sub>4</sub>)<sub>2</sub>·H<sub>2</sub>O; Pb(ReO<sub>4</sub>)<sub>2</sub>·2H<sub>2</sub>O is analogous to Sr(ReO<sub>4</sub>)<sub>2</sub>·2H<sub>2</sub>O and Pb(TcO<sub>4</sub>)<sub>2</sub>·2H<sub>2</sub>O. The compounds Sr(ReO<sub>4</sub>)<sub>2</sub>·6H<sub>2</sub>O, Pb(ReO<sub>4</sub>)Cl·2H<sub>2</sub>O, and {Pb<sub>4</sub>(OH)<sub>4</sub>}(ReO<sub>4</sub>)<sub>4</sub>·H<sub>2</sub>O correspond to new structural architectures. We discuss the similarities and differences in the crystal structures of relatively simple inorganic salts containing tetrahedral oxoanions based on <i>d</i>-elements (MnO<sub>4</sub><sup>−</sup>, TcO<sub>4</sub><sup>−</sup>, ReO<sub>4</sub><sup>−</sup>, CrO<sub>4</sub><sup>2−</sup>, and MoO<sub>4</sub><sup>2−</sup>); the analogies to tetrahedral <i>p</i>-based hydrido- or fluoroanions (BF<sub>4</sub><sup>−</sup> and AlH<sub>4</sub><sup>−</sup>) exist but are as yet rare.</p>

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A new contribution to the lead and strontium perrhenate chemistry: Synthesis and crystal structures of Pb(ReO4)Cl·2H2O, Pb(ReO4)2·2H2O, {Pb4(OH)4}(ReO4)4·H2O, Sr(ReO4)2·H2O, and Sr(ReO4)2·6H2O

  • 期刊论文

  • 发表日期：

    2025年4月2日

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  • Dmitri O. Charkin,
  • Oleg I. Siidra,
  • Evgeni V. Nazarchuk,
  • Artem S. Borisov,
  • Mishel R. Markovski

摘要

Structures of a family of new hydrated and anhydrous perrhenates of lead and strontium have been determined. Sr(ReO4)2·H2O is isostructural to Ce(CrO4)2·H2O and Th(CrO4)2·H2O; Pb(ReO4)2·2H2O is analogous to Sr(ReO4)2·2H2O and Pb(TcO4)2·2H2O. The compounds Sr(ReO4)2·6H2O, Pb(ReO4)Cl·2H2O, and {Pb4(OH)4}(ReO4)4·H2O correspond to new structural architectures. We discuss the similarities and differences in the crystal structures of relatively simple inorganic salts containing tetrahedral oxoanions based on d-elements (MnO4−, TcO4−, ReO4−, CrO42−, and MoO42−); the analogies to tetrahedral p-based hydrido- or fluoroanions (BF4− and AlH4−) exist but are as yet rare.