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Journal of Solid State ChemistryVolume 265, September 2018, Pages 55-63

A new copper(II) arsenate, Na2Cu3(AsO3OH)4·4H2O containing discrete [Cu3O12]18− units: Synthesis, crystal structure and magnetic properties(Article)

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  • aInstitut für Mineralogie und Kristallographie, Geozentrum, Universität Wien, Althanstrasse 14, Wien, A-1090, Austria
  • bLaboratory of Crystallography, Faculty of Mining and Geology, Đušina 7, Belgrade, 11000, Serbia
  • cInstitute of Mathematics, Physics and Mechanics&Faculty of Civil and Geodetic Engineering, University of Ljubljana, Jadranska 19, Ljubljana, Slovenia

Abstract

Single crystals of the new disodium tricopper(II) tetrakis(hydrogenarsenate(V)) tetrahydrate, Na2Cu3(AsO3OH)4·4H2O were grown under hydrothermal conditions. The compound was characterized by room-temperature single-crystal X-ray diffraction, SEM-EDS analysis, Raman spectroscopy and magnetic susceptibility measurements. Na2Cu3(AsO3OH)4·4H2O represents a new layered structure-type [space group P21/c, a = 8.7089(17), b = 9.7452(19), c = 9.3353(19) Å, β = 92.63(3)°, V = 791.4(3) Å3, Z = 4]. The layers are normal to [100] and are composed of the isolated Cu3O12 units interconnected by AsO3OH coordination tetrahedra. The crystal structure of Na2Cu3(AsO3OH)4·4H2O is related to a group of compounds formed by Cu2+–(XO4)3- layers (X = P5+, As5+) linked by M cations (M = alkali, alkaline earth, Pb2+, or Ag+) and partly by hydrogen bonds, where distinct links and patterns of the Cu3O12 units and XO4 tetrahedra were observed. The magnetic susceptibility and magnetization measurements reveal a canted antiferromagnetic ground state which is in excellent agreement with a layered magnetic structure determined by the copper ions of the Cu3O12 units. © 2018 Elsevier Inc.

Author keywords

Crystal structureHydrated hydroxy-arsenatesHydrothermal synthesisMagnetic propertiesNa2Cu3(AsO3OH)4·4H2O

Indexed keywords

Engineering controlled terms:Crystal structureCrystallographyGeometryGround stateHydrogen bondsHydrothermal synthesisMagnetic propertiesMagnetic susceptibilityMagnetismMetal ionsSingle crystalsSodium compounds
Engineering uncontrolled termsAntiferromagnetic ground stateHydrated hydroxy-arsenatesHydrothermal conditionsLayered magnetic structuresLayered StructuresMagnetic susceptibility measurementsMagnetization measurementsSingle crystal x-ray diffraction
Engineering main heading:Copper compounds

Funding details

Funding sponsor Funding number Acronym
Javna Agencija za Raziskovalno Dejavnost RSP2-0348ARRS

  • 1

    This work was financially supported by the Bilateral Austrian-Slovenian Project (Grant nos. SI 05/2016 and BI-AT/16-17-005) and by the Slovenian Research Agency (Grant no. P2-0348).

  • 2

    This work was financially supported by the Bilateral Austrian-Slovenian Project (Grant nos. SI 05/2016 and BI-AT/16-17-005 ) and by the Slovenian Research Agency (Grant no. P2-0348 ).

  • ISSN: 00224596
  • CODEN: JSSCB
  • Source Type: Journal
  • Original language: English
  • DOI: 10.1016/j.jssc.2018.05.024
  • Document Type: Article
  • Publisher: Academic Press Inc.

  Đorđević, T.; Institut für Mineralogie und Kristallographie, Geozentrum, Universität Wien, Althanstrasse 14, Wien, Austria;
© Copyright 2018 Elsevier B.V., All rights reserved.

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