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Synthesis and crystal structure of layered molybdate NH4Co2OH(MoO4)2⋅H2O

Published online by Cambridge University Press:  28 September 2023

Paweł Adamski Open the ORCID record for Paweł Adamski [Opens in a new window] ,
Aleksander Albrecht  and
Dariusz Moszyński
Paweł Adamski*
Affiliation:
Department of Inorganic Chemical Technology and Environment Engineering, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology in Szczecin, Piastów Ave. 42, 71-065 Szczecin, Poland
Aleksander Albrecht
Affiliation:
Department of Inorganic Chemical Technology and Environment Engineering, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology in Szczecin, Piastów Ave. 42, 71-065 Szczecin, Poland
Dariusz Moszyński
Affiliation:
Department of Inorganic Chemical Technology and Environment Engineering, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology in Szczecin, Piastów Ave. 42, 71-065 Szczecin, Poland
*
a)Author to whom correspondence should be addressed. Electronic mail: adamski_pawel@zut.edu.pl
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Abstract

A new compound NH4Co2OH(MoO4)2⋅H2O was prepared by precipitation of aqueous solutions of cobalt nitrate and ammonium heptamolybdate at pH = 7.5. The crystal structure was identified by X-ray powder diffraction (XRPD) and Rietveld refinement as a known polymorph of layered molybdates (Φy) with general formula AT2OH(MoO4)2⋅H2O (A = NH4+, Na+, K+ and T = Zn2+, Co2+, Cu2+, Ni2+) and refined from a model based on that structure. The lattice parameters were refined with R-3 space group (148) a = 6.1014(2) Å, b = 6.1014(2) Å, c = 21.826(1) Å, α = 90°, β = 90°, and γ = 120°.

Keywords

Cobalt molybdateX-ray powder diffractionRietveld refinement

Information

Type
New Diffraction Data
Information
Powder Diffraction , Volume 38 , Issue 4 , December 2023 , pp. 240 - 243
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Copyright
Copyright © The Author(s), 2023. Published by Cambridge University Press on behalf of International Centre for Diffraction Data

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