Affiliation:
1. Institut für Anorganische Chemie, Universität Stuttgart, Stuttgart, Germany
2. Institut für Anorganische Chemie, Universität Stuttgart, Pfaffenwaldring 55, D-70569 Stuttgart, Germany , Fax: +49-(0)-711/685-64241
Abstract
Abstract
There are numerous reports in the literature about the amount of hydrate water in sodium permanganate, which is said to be between one half and three water molecules per Na[MnO4]. Because no structural descriptions of the hydrate and the anhydrous compound can be found yet, this work reports the synthesis of anhydrous Na[MnO4] via the Muthmann method and its crystal structure. Na[MnO4] crystallizes as dark purple needles in the monoclinic space group P21/n with a = 572.98(5), b = 842.59(7), c = 715.47(6) pm, β = 92.374(3)° and Z = 4. As such and with its isotype to Ag[MnO4], Na[MnO4] completes the series of anhydrous alkali-metal permanganates, comprising Li[MnO4] (orthorhombic, Cmcm, Cr[VO4] type) and the isostructural heavier congeners A[MnO4] (A = K, Rb, Cs; orthorhombic, Pnma, Ba[SO4] type).
Cited by
3 articles.
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1. Ab Initio Investigation of the Hydration of the Tetrahedral d0 Transition Metal Oxoanions NbO43−, TaO43−, CrO42−, MoO42−, WO42−, MnO4−, TcO4−, ReO4−, and of FeO4, RuO4, and OsO4;Liquids;2024-08-16
2. Single Crystals of CaNa[ReO
4
]
3
: Serendipitous Formation and Systematic Characterization;Zeitschrift für anorganische und allgemeine Chemie;2019-11-13
3. ChemInform Abstract: Synthesis and Crystal Structure of Anhydrous Na[MnO4
].;ChemInform;2016-11