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  Ba3[Rh(OH)6]2 ⋅ H2O – a Precursor to Barium Oxorhodates with One-dimensional Hydrogen Bonding Systems

Albrecht, R., Bretschneider, V., Doert, T., & Ruck, M. (2021). Ba3[Rh(OH)6]2 ⋅ H2O – a Precursor to Barium Oxorhodates with One-dimensional Hydrogen Bonding Systems. Zeitschrift für anorganische und allgemeine Chemie, 647, 1-8. doi:10.1002/zaac.202100016.

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 Creators:
Albrecht, Ralf1, Author
Bretschneider, Vincent1, Author
Doert, Thomas1, Author
Ruck, Michael2, Author              
Affiliations:
1External Organizations, ou_persistent22              
2Michael Ruck, Max Planck Fellow, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863444              

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Free keywords: crystal structure, hydroflux synthesis, rhodium, spectroscopy, thermal analysis
 Abstract: Orange-colored single-crystals of barium hexahydroxo-rhodate(III) monohydrate, Ba3[Rh(OH)6]2 ⋅ H2O, were synthesized in a PTFE-lined autoclave at 200 °C starting from Ba(NO3)2, RhI3 and concentrated sodium hydroxide solution (water-base ratio 4 : 1). Single-crystal X-ray diffraction revealed the triclinic space group (Formula presented.) (no. 2) with lattice parameters a=824.60(6) pm, b=852.78(5) pm, c=885.34(6) pm, α=94.294(3)°, β=92.422(3)°, γ=91.673(3)° at 100(1) K. The crystal structure consists of [Rh(OH)6]3− octahedra surrounded by barium cations and water molecules. Hydrogen bonds with a wide range of donor-acceptor distances are located between hydroxide groups and water molecules to form one-dimensional hydrogen bonding networks in c direction. Upon heating in air, Ba3[Rh(OH)6]2 ⋅ H2O decomposes first to “BaRhO3” with a superstructure of the hexagonal perovskite type, which undergoes a phase transition to the 2H hexagonal perovskite Ba9Rh8O24 above 900 °C. © 2021 The Authors. Zeitschrift für anorganische und allgemeine Chemie published by Wiley-VCH GmbH

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Language(s): eng - English
 Dates: 2021-01-282021-01-28
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1002/zaac.202100016
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Title: Zeitschrift für anorganische und allgemeine Chemie
  Other : J. Inorg. Gen Chem.
  Other : Journal of Inorganic and General Chemistry
  Abbreviation : Z. Anorg. Allg. Chem.
Source Genre: Journal
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Publ. Info: Leipzig, Weinheim : Verlag Johann Ambrosius Barth / Wiley-VCH
Pages: - Volume / Issue: 647 Sequence Number: - Start / End Page: 1 - 8 Identifier: Other: 1521-3749
ISSN: 0044-2313
CoNE: https://pure.mpg.de/cone/journals/resource/954925453895