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Li2PtF6 revisited.

Florian Kraus1

  • 1AG Fluorchemie, Technische Universität München, Lichtenbergstrasse 4, 85747 Garching, Germany.

Acta Crystallographica. Section E, Structure Reports Online
|September 25, 2014
PubMed
Summary
This summary is machine-generated.

This study refined the crystal structure of dilithium hexafluoroplatinate(IV) with higher precision. The findings confirm its trirutile structure and provide detailed bond lengths and angles for the platinum and lithium coordination polyhedra.

Keywords:
Lithiumcrystal structurefluorideplatinumtrirutile-type

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Area of Science:

  • Inorganic Chemistry
  • Solid-State Chemistry
  • Crystallography

Background:

  • Previous structural determinations of dilithium hexafluoroplatinate(IV) (Li2PtF6) exist.
  • The compound is known to adopt the trirutile structure type.

Purpose of the Study:

  • To refine the crystal structure of Li2PtF6 with enhanced precision.
  • To provide a more accurate model of the Li2PtF6 structure, including anisotropic displacement parameters for lithium.

Main Methods:

  • Single-crystal X-ray diffraction.
  • Structure refinement using anisotropic displacement parameters for the Li atom.
  • Analysis of bond distances and angles within the PtF6 and LiF6 octahedra.

Main Results:

  • The Li atom was refined with anisotropic displacement parameters, improving model precision.
  • Li2PtF6 crystallizes in the trirutile structure type.
  • Detailed bond lengths (Pt-F: 1.936(4) and 1.942(6) Å; Li-F: 1.997(15) and 2.062(15) Å) and angles are reported for the PtF6 and LiF6 octahedra.

Conclusions:

  • The refined structure provides a more precise description of Li2PtF6.
  • The study confirms the trirutile structure and offers detailed geometric parameters for the coordination environments.