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  • 1
    ISSN: 0044-2313
    Keywords: Barium ; platinum ; silicide ; gallium ; crystal structure ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: The Isotypic Compounds BaRh2Si2, BaIr2Si2, and BaPt2Ga2 - a Monoclinic Distortion Variant of the CaRh2B2 StructureThe new compounds BaRh2Si2 (monoclinic, P21/c, a = 792.6(1) pm, b = 664.5(7) pm, c = 767.9(4) pm, β = 91.2(1)°, Z = 4, 2867 reflexions, 47 parameters, R = 0.024), BaIr2Si2 (monoclinic, P21/c, a = 792.47(6) pm, b = 664.28(6) pm, c = 772.22(6) pm, β = 92.181(7)°, Z = 4, 1939 reflexions, 47 parameters, R = 0.037) and BaPt2Ga2 (monoclinic, P21/c, a = 850.4(1) pm, b = 647.3(1) pm, c = 819.8(1) pm, β = 95.97(1)°, Z = 4, 1506 reflexions, 47 parameters, R = 0.038) were prepared by reaction of the elements. Their structures were determined from single crystal data. The compounds crystallize isotypically with a distortion variant of the CaRh2B2 type of structure.
    Notes: Die neuen Verbindungen BaRh2Si2 (monoklin, P21/c, a = 792,6(1) pm, b = 664,5(7) pm, c = 767,9(4) pm, β = 91,2(1)°, Z = 4, 2867 Reflexe, 47 Parameter, R = 0,024), BaIr2Si2 (monoklin, P21/c, a = 792,47(6) pm, b = 664,28(6) pm, c = 772,22(6)pm, β = 92,181(7)°, Z = 4, 1939 Reflexe, 47 Parameter, R = 0,037) und BaPt2Ga2 (monoklin, P21/c, a = 850,4(1) pm, b = 647,3(1) pm, c = 819,8(1) pm, β = 95,97(1)°, Z = 4, 1506 Reflexe, 47 Parameter, R = 0,038) wurden durch Reaktion der Elemente dargestellt und ihre Strukturen mit Einkristalldaten bestimmt. Die Verbindungen kristallisieren isotyp in einer Verzerrungsvariante des CaRh2B2-Typs.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
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