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1992 (2)
1985 (1)
1Author    Wolfgang Jeitschko, ElkeJ. ReinboldRequires cookie*
 Title    Strukturchemische Untersuchungen an Scandium-Cobalt-Phosphiden mit einem Metall:Phosphor-Verhältnis von 2:1  
 Abstract    Several new scandium cobalt phosphides were prepared by reaction of the elemental compo­ nents in a tin flux. ScCoP has a TiNiSi-type structure with the orthorhombic lattice constants a = 6.268(2) Ä , b = 3.750(1) Ä , c = 7.050(3) Ä. ScCo5P3 is isotypic with YCo5P3. Its orthorhom­ bic lattice constants are: a = 11.691(5) Ä , b = 3.583(1) A, c = 10.206(3) Ä. Sc2C o12P7crystallizes with the hexagonal Zr2F e12P7 structure with a = 8.973(3) A , c = 3.531(1) Ä. Sc5C o19P12 is of a new type which is closely related to the structure of Hf2Co4P3. It has hexagonal symmetry, space group P 62m —D 3h and the lattice constants a -12.124(7) Ä , c = 3.633(2) Ä , with Z = 1 formula unit per cell. The structure was determined and refined with isotropic thermal parameters from single-crystal counter data to a residual of R = 0.023 for 848 unique structure factors and 24 variable parameters. Considering the environments of the phosphorus atoms the structures are all closely related. There are, however, considerable differences in the coordination polyhedra of the metal atoms. 
  Reference    Z. Naturforsch. 40b, 900—905 (1985); eingegangen am 26. März 1985 
  Published    1985 
  Keywords    Tin Flux, Crystal Structure, Scandium Cobalt Phosphides 
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 TEI-XML for    default:Reihe_B/40/ZNB-1985-40b-0900.pdf 
 Identifier    ZNB-1985-40b-0900 
 Volume    40 
2Author    Wolfgang Jeitschko, Reinhold BrinkRequires cookie*
 Title    Preparation, Crystal Structures and Properties of Two Modifications of UCr6P4  
 Abstract    U Cr6P4 was prepared from a tin flux in two forms at low (a) and high (ß) temperatures (880 °C and 1000 °C), respectively. The crystal structures o f both m odifications were deter­ 
  Reference    Z. Naturforsch. 47b, 192—196 (1992); received September 5 1991 
  Published    1992 
  Keywords    Tin Flux, Crystal Structure, Magnetic Properties, Structural Relationships 
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 TEI-XML for    default:Reihe_B/47/ZNB-1992-47b-0192.pdf 
 Identifier    ZNB-1992-47b-0192 
 Volume    47 
3Author    JörgH. Albering, W. Olfgang, JeitschkoRequires cookie*
 Title    Preparation and Crystal Structures of Th5Fe19P 12 and ThFe4P2  
 Abstract    The new com pounds Th5F e19P 12 and ThFe4P2 were prepared by reaction o f the elemental components in a tin flux and their crystal structures were determined from single-crystal X-ray data. Th5F e 19P 12 crystallizes with a new m onoclinic structure type: C2/m , a = 2920.3(3), b = 379.18(3), c = 931.48(8) pm, ß = 103.36(1)°, Z = 2, R = 0.031. ThFe4P2 is isotypic with SmNi4P2: Pnnm , a = 1448.9(2), b = 1074.7(2), c = 376.98(4) pm, Z = 6, R = 0.030. Both com ­ pounds belong to the large family o f structures with a m eta l: nonmetal ratio o f exactly or near­ ly 2:1. In these phosphides all phosphorus atom s have nine metal neighbors: six are forming a trigonal prism with three additional neighbors capping the rectangular faces o f the prism. In both structures the thorium atom s have trigonal prismatic or octahedral phosphorus coordi­ nation. M ost iron atoms have the usual tetrahedral phosphorus environment. In addition, the structure o f Th5F e19P l2 has iron atom s in rectangular and distorted square pyramidal phos­ phorus coordination, while the structure o f T hFe4P2 contains iron atom s with only two or three phosphorus neighbors. 
  Reference    Z. Naturforsch. 47b, 1521—1528 (1992); received March 31 1992 
  Published    1992 
  Keywords    Crystal Structure, Tin Flux, Ternary Thorium Iron Phosphides 
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 TEI-XML for    default:Reihe_B/47/ZNB-1992-47b-1521.pdf 
 Identifier    ZNB-1992-47b-1521 
 Volume    47