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  Mg3Pt2: Anionic Chains in a Eu3Ga2-Type Structure

Agnarelli, L., Prots, Y., Burkhardt, U., Schmidt, M., Koželj, P., Leithe-Jasper, A., et al. (2021). Mg3Pt2: Anionic Chains in a Eu3Ga2-Type Structure. Inorganic Chemistry, 60, 13681-13690. doi:10.1021/acs.inorgchem.1c01995.

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 Creators:
Agnarelli, Laura1, Author              
Prots, Yurii2, Author              
Burkhardt, Ulrich3, Author              
Schmidt, Marcus4, Author              
Koželj, Primož1, Author              
Leithe-Jasper, Andreas5, Author              
Grin, Yuri6, Author              
Affiliations:
1Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863405              
2Yuri Prots, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863424              
3Ulrich Burkhardt, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863422              
4Marcus Schmidt, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863415              
5Andreas Leithe-Jasper, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863406              
6Juri Grin, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863413              

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 Abstract: The binary phase Mg3Pt2 was prepared by direct reaction between the elements or by spark-plasma synthesis starting with MgH2 and PtCl2. The compound crystallizes in the monoclinic space group C2/c with a = 7.2096(3) Å, b = 7.1912(4) Å, c = 6.8977(3) Å, and β = 106.072(3)° and is isotypic to Eu3Ga2. Analysis of the electron density within the quantum theory of atoms in molecules shows a significant charge transfer from Mg to Pt in agreement with the electronegativity difference. Further study of the chemical bonding with the electron localizability approach reveals the formation of Pt chains stabilized by a complex system of multicenter interactions involving Mg and Pt species. The metallic character of Mg3Pt2 is confirmed by electronic structure calculations and physical measurements.

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Language(s): eng - English
 Dates: 2021-08-242021-08-24
 Publication Status: Published in print
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 Rev. Type: -
 Identifiers: DOI: 10.1021/acs.inorgchem.1c01995
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Title: Inorganic Chemistry
  Abbreviation : Inorg. Chem.
Source Genre: Journal
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Publ. Info: Washington, DC : American Chemical Society
Pages: - Volume / Issue: 60 Sequence Number: - Start / End Page: 13681 - 13690 Identifier: ISSN: 0020-1669
CoNE: https://pure.mpg.de/cone/journals/resource/0020-1669