Abstract
Crystals of K2Co3(OH)2(SO4)3·2H2O were synthesized under hydrothermal conditions. The crystal structure [a=17.945 (4) Å,b=7.557 (2) Å,c=9.760 (3) Å, space group Cmc21,Z=4] was determined by direct methods and refined with single crystal X-ray data. The H atoms were located byFourier syntheses. Their structural parameters were refined, too. The finalR-values areR=0.025 andR w =0.028 (w=1/σ) for 612 reflections withF 0>3 σ (F 0). Both Co(II) atoms are octahedral six coordinated and form zigzag chains running parallel [001]. These chains are connected via sulfate groups to built up sheets parallel (100). The KO9 polyhedron and one of the four hydrogen bonds link these sheets.
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Effenberger, H., Langhof, H. Die Kristallstruktur von Dikalium-trikobalt(II)-dihydroxid-trisulfat-dihydrat, K2Co3(OH)2(SO4)3·2H2O. Monatsh Chem 115, 165–177 (1984). https://doi.org/10.1007/BF00798407
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DOI: https://doi.org/10.1007/BF00798407