ThPt2: A New Representative of Close Packed Tetragonal Structures.

Gumeniuk, Roman; Schnelle, Walter; Burkhardt, Ulrich; Borrmann, Horst; Nicklas, Michael; Ormeci, Alim; Kohout, Miroslav; Leithe-Jasper, Andreas; Grin, Yuri

doi:10.1021/acs.inorgchem.5b00669

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ThPt₂: A New Representative of Close Packed Tetragonal Structures.

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Gumeniuk, Roman
Roman Gumeniuk, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Schnelle, Walter
Walter Schnelle, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Burkhardt, Ulrich
Ulrich Burkhardt, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Borrmann, Horst
Horst Borrmann, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Nicklas, Michael
Michael Nicklas, Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Ormeci, Alim
Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Kohout, Miroslav
Miroslav Kohout, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Leithe-Jasper, Andreas
Andreas Leithe-Jasper, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Grin, Yuri
Juri Grin, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Citation

Gumeniuk, R., Schnelle, W., Burkhardt, U., Borrmann, H., Nicklas, M., Ormeci, A., et al. (2015). ThPt₂: A New Representative of Close Packed Tetragonal Structures. Inorganic Chemistry, 54(13), 6338-6346. doi:10.1021/acs.inorgchem.5b00669.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0027-F87A-4

Abstract

ThPt2 crystallizes with unique type of structure (space group I4/mmm, a = 4.1565(1) A, c = 14.3663(7) A, Pearson symbol tI12), which belongs to the group of the close packed tetragonal structures. An analysis of the chemical bonding by the electron localizability approach reveals the formation of two-dimensional layered platinum anionic substructures interlinked by strongly polar bonds to Th. Measurements of magnetic susceptibility, electrical resistivity, and specific heat show ThPt2 to be diamagnetic with metallic type of electrical conductivity in good agreement with the calculated electronic structure (N(EF) = 0.9 states eV(-1) f.u.(-1)).