(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 (NH4)MgH(SO4)2(H2O)2
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DOI: 10.1107/s2053229621001650
Abstract: Both dihydrates (NH4)Mg(HSO4)(SO4)(H2O)2 and NaSc(CrO4)2(H2O)2 comprise kröhnkite-type tetrahedral–octahedral chains made up of {SO4/SO3(OH),[MgO4(OH2)2]} and {CrO4,[ScO4(OH2)2]} building units, respectively. (NH4)Mg(HSO4)(SO4)(H2O)2 shows a reversible phase transition between 100 and 296 K. read more here.
Keywords: so4 h2o; hso4 so4; nh4 hso4; h2o ... See more keywords