(NH4)Mg(HSO4)(SO4)(H2O)2 and NaSc(CrO4)2(H2O)2, two crystal structures com­prising kröhnkite-type chains, and the temperature-induced phase transition (NH4)Mg(HSO4)(SO4)(H2O)2 \rightleftharpoons (NH4)MgH(SO4)2(H2O)2

Weil, M.; Kolitsch, U.

doi:10.1107/S2053229621001650

Acta Crystallographica Section C
Acta Crystallographica
Section C STRUCTURAL CHEMISTRY

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Figure 4
The crystal structure of (NH₄)MgH(SO₄)₂(H₂O)₂ at 296 K in a projection along [100]. Displacement ellipsoids and colour codes are as in Fig. 2

, except for the SO₄ tetrahedra which are lilac. The disordered ammonium group and the H1O atom disordered between two sulfate tetrahedra are shown.

STRUCTURAL
CHEMISTRY

ISSN: 2053-2296

Volume 77| Part 3| March 2021| Pages 144-151

https://doi.org/10.1107/S2053229621001650

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