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'Cobalt' in keywords Facet   section ZfN Section B:Volume 050  [X]
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1995 (3)
1Author    H. Szillat, Hk Müller-BuschbaumRequires cookie*
 Title    On the Oxocuprate (C u,C o)375Mo30 12  
 Abstract    Single crystals of (C u,C o)3 7?Mo30 12 have been prepared by recrystallization from melts and investigated by X-ray diffractometer techniques. TTie compound crystallizes with ortho-rhombic symmetry, space group D'2 6 h-P n m a , a = 5.092(1), b = 10.624(3), c = 17.804(4) A, Z = 4 and is isotypic to NaCo2.3iMo30 12. The crystal structure is discussed and it is shown, that the trigonal prismatically coordinated copper positions are occupied in a different m an­ ner. One of the alternate sites is beside the centre of the prisms, and the other one is shifted towards one of the faces of the rectangular prism. This detail may be interpreted by assigning the valance states C u1 and Cu11. The M 0 6 octahedra are occupied statistically by copper and cobalt. 
  Reference    Z. Naturforsch. 50b, 707—711 (1995); eingegangen am 10. O ktober 1994 
  Published    1995 
  Keywords    Crystal Structure, Copper, Cobalt, Molybdenum, Oxide 
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 TEI-XML for    default:Reihe_B/50/ZNB-1995-50b-0707.pdf 
 Identifier    ZNB-1995-50b-0707 
 Volume    50 
2Author    N., Silke Busche, Karsten BluhmRequires cookie*
 Title    Synthese und Kristallstruktur der ersten zinkhaltigen Pyroborate  
 Abstract    ii,5Z n 0,5(6 2 0 5) UI,d C o ^ Z n o ^ I ^ O s) Synthesis and Crystal Structure of the First Zinc Containing Pyroborates Nii.5Z n0.5(B2O 5) and Coj 5Z n0.5(B2O 5) The first zinc containing pyroborates Ni! sZ n ^ B ^ O s) (A) and 5Zn0 5(B 2O 5) (B) were prepared by using a B20 3 flux technique. Single crystals were investigated by X-ray diffrac­ tion and showed triclinic symmetry, space group C j-P l. The structures are isotypic to C o9(B 20 5) with the lattice parameters (A) « = 331.28(6), 6 = 613.87(11), c = 922.2(2), a = 104.067(11) °, ß = 90.672(13) °, y = 92.413(12) 0 and (B) 0 = 315.89(2), 6 = 612.84(6), c = 927.72(6), a = 104.103(7) °, ß = 91.020(6) °, y = 92.540(7) °, Z = 2. All metal point positions show an octahedral oxygen coordination and a partly statistical distribution o f Zn2+ and N i2+ or C o2+, respectively. Isolated nearly planar B20 5 units connect ribbons consisting o f edge sharing metal octahedra. 
  Reference    Z. Naturforsch. 50b, 1445—1449 (1995); eingegangen am 25. April 1995 
  Published    1995 
  Keywords    Zinc, Nickel, Cobalt, Pyroborate, Crystal Structure 
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 TEI-XML for    default:Reihe_B/50/ZNB-1995-50b-1445.pdf 
 Identifier    ZNB-1995-50b-1445 
 Volume    50 
3Author    Anne Utzolino, Karsten BluhmRequires cookie*
 Title    Cox 5Ti0 5(B 0 3) 0 and Co! 5Zro.5(B 0 3) 0  
 Abstract    Single crystals of Co15Tio.5(B 0 3)0 (I) and Coj 5Zr0 5(BO3)O (I I) were obtained by a B20 3 flux technique. Both compounds crystallize with orthorhombic symmetry, space group D -Pnma (Nr. 62), I a = 928.1; b = 311.1; c = 940.1 pm; Z = 4 and I I a = 949.5; b = 323.42; c = 934.7 pm; Z = 4. The compounds are isotypic to the mineral warwickite. All metal ions are octahedrally coordinated by oxygen ions. The structure contains isolated, trigonal planar B 0 3 units and oxygen that is not coordinated to boron. Die Synthese und Kristallstruktur von cobalthaltigen Boratoxiden: Coi^Tio,5(B03)0 und C o i?5Zr<),5(B03)0 
  Reference    Z. Naturforsch. 50b, 1653—1657 (1995); eingegangen am 4. Mai 1995 
  Published    1995 
  Keywords    Cobalt, Titanium, Zirconium, Borate Oxide, Crystal Structure, X-Ray 
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 TEI-XML for    default:Reihe_B/50/ZNB-1995-50b-1653.pdf 
 Identifier    ZNB-1995-50b-1653 
 Volume    50