Auflistung nach Schlagwort "crystal structure"

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    • A new hydrate of magnesium carbonate, MgCO3·6H2O 

      Rincke, Christine; Schmidt, Horst; Voigt, Wolfgang (Acta Crystallographica Section C, 2020)
      During investigations of the formation of hydrated magnesium carbonates, a sample of the previously unknown magnesium carbonate hexahydrate (MgCO3·6H2O) was synthesized in an aqueous solution at 273.15 K. The crystal ...

    • Crystal structure and characterization of magnesium carbonate chloride heptahydrate 

      Rincke, Christine; Schmidt, Horst; Buth, Gernot; Voigt, Wolfgang (Acta Crystallographica Section C, 2020)
      MgCO3·MgCl2·7H2O is the only known neutral magnesium carbonate containing chloride ions at ambient conditions. According to the literature, only small and twinned crystals of this double salt could be synthesised in a ...

    • Crystal structure of a calcium(II)–pyrroloquinoline quinone (PQQ) complex outside a protein environment 

      Lumpe, Henning; Mayer, Peter; Daumann, Lena J. (Acta Crystallographica Section C, 2020-11-05)
      Pyrroloquinoline quinone (PQQ) is an important cofactor of calcium‐ and lanthanide‐dependent alcohol dehydrogenases, and has been known for over 30 years. Crystal structures of Ca–MDH enzymes (MDH is methanol dehydrogenase) ...

    • Crystallization of metastable monoclinic carnallite, KCl·MgCl2·6H2O: missing structural link in the carnallite family 

      Pannach, Melanie; Paschke, Iris; Schmidt, Horst; Freyer, Daniela; Voigt, Wolfgang (Acta Crystallographica Section C, 2020)
      During evaporation of natural and synthetic K–Mg–Cl brines, the formation of almost square plate-like crystals of potassium carnallite (potassium chloride magnesium dichloride hexahydrate) was observed. A single-crystal ...

    • Synthesis, crystal structure and structure–property relations of strontium orthocarbonate, Sr2CO4 

      Laniel, Dominique; Binck, Jannes; Winkler, Björn; Vogel, Sebastian; Fedotenko, Timofey; Chariton, Stella; Prakapenka, Vitali; Milman, Victor; Schnick, Wolfgang; Dubrovinsky, Leonid; Dubrovinskaia, Natalia (Acta Crystallographica Section B, 2021-02-09)
      Carbonates containing CO4 groups as building blocks have recently been discovered. A new orthocarbonate, Sr2CO4 is synthesized at 92 GPa and at a temperature of 2500 K. Its crystal structure was determined by in situ ...