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'Hydrate' in keywords Facet   Publication Year 1988  [X]
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1988[X]
1Author    Christoph KratkyRequires cookie*
 Title      
 Abstract    The crystal structure of Rb2Ca(N3)4-4H20 has been determined by single crystal X-ray methods. The compound is isotypic with K2Ca(N3)4-4H20 and crystallizes in the orthorhombic space group Ccca, Z = 4, a = 1949.1(12) pm, b = 1099.5(3) pm, c — 622.2(1) pm. 
  Reference    Z. Naturforsch. 43b, 497—498 (1988); eingegangen am 23. November 1987/14. Januar 1988 
  Published    1988 
  Keywords    Azide, Calcium, Crystal Structure, Hydrate, Rubidium 
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 TEI-XML for    default:Reihe_B/43/ZNB-1988-43b-0497_n.pdf 
 Identifier    ZNB-1988-43b-0497_n 
 Volume    43 
2Author    Gerhard Thiele, Dietmar PutzasRequires cookie*
 Title    Antiprismatische und dodekaedrische Oktaaquokationen von Calcium und Strontium in den Kristallstrukturen von Tetrahalogenocadmaten und -mercuraten Antiprismatic and Dodecahedral Oktaaquo Cations of Calcium and Strontium in the Crystal Structures of Tetrahalogeno Cadmates and Mercurates  
 Abstract    The tetrahalogenometallates CaHgBr 4 -8H 2 0, CaCdI 4 -8H 2 0 and SrCdI 4 -8H 2 0 which have been obtained by crystallization from aqueous solutions form different structures. The orthorhombic compounds CaHgBr 4 -8H^O (Cmca, a — 1720.1(6) pm, b = 1329.2(4) pm. c = 1369.5(7) pm, Z — 8, R -0.041) and SrCdI 4 -8H 2 0 (Pnma, a = 1404.6(2) pm, b = 1841.1(5) pm. c = 1420.6(3) pm, Z = 8, R = 0.037) are built up from dodecahedral [A(H 2 0) 8 ] cations (A = Ca, Sr) and tetrahedral MX 4 anions (M = Hg, Cd) which are cubic closed packed in a CuAu type structure. The tetragonal structure of CaCdI 4 -8H 2 0 (P4/nbm, a = 1268.14(13) pm, c = 536.96(35) pm. Z = 2, R = 0.034) contains antiprismatic [Ca(H 2 0) x ] 2+ cations and tetrahedral Cdl 4 anions, which form together a tetragonal primitive rod package. 
  Reference    Z. Naturforsch. 43b, 1224—1234 (1988); eingegangen am 9. Juni 1988 
  Published    1988 
  Keywords    Crystal Structure, Hydrates, Cadmium Complexes, Mercury Complexes 
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 DEBUG INFO      
 TEI-XML for    default:Reihe_B/43/ZNB-1988-43b-1224.pdf 
 Identifier    ZNB-1988-43b-1224 
 Volume    43