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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 621 (1995), S. 1047-1052 
    ISSN: 0044-2313
    Keywords: Zirconium fluoride ; hafnium fluoride ; ternary fluorides ; KPdMIVF7 (MIV = Zr, Hf) ; crystal structure ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: The Crystal Structure of KPdMIVF7 (MIV = Zr, Hf)Blue single crystals of KPdZrF7 are obtained by heating the binary fluorides in sealed Pt-tubes under dry argon (solid state reaction, T ≍ 720°C, t ≍ 14 d). The compound crystallizes orthorhombically in the space group Pnna-D2h6 (Nr. 52); lattice parameters are a = 1 132.3(5) pm, b = 797.5(2) pm, c = 639.8(1) pm; Z = 4 (Four cycle diffractometer data, AED2). According to [F4PdF2/1ZrF5] distortet [PdF6]-octaedra are connected with pentagonal-bipyramidal [ZrF7]-polyhedra via two bridging F-, resulting in [PdZrF11]-groups. These [PdZrF11]-groups built up a threedimensional-network with K+ in its spacings. KPdHfF7 crystallizes isotypically (a = 1 136.1(3) pm, b = 796.4(2) pm und c = 638.8(1) pm; four cycle diffractometer data, AED2).
    Notes: Durch Tempern der binären Fluoride im verschweißten Pt-Rohr unter Schutzgas (Ar, Festkörperreaktion, T ≍ 720°C, t ≍ 14d) erhält man blaue Einkristalle von KPdZrF7 [eigener Strukturtyp, orthorhombisch, Pnna-D2h6 (Nr. 52); a = 1 132,3(5) pm, b = 797,5(2) pm, c = 639,8(1) pm; Z = 4; Vierkreisdiffraktometerdaten AED2]. Pd2+ ist verzerrt oktaedrisch von 6 F- umgeben, wohingegen Zr4+ pentagonalbipyramidal von 7 F- koordiniert wird. Beide Koordinationspolyeder sind gemäß [F4PdF2/1ZrF5] kantenverknüpft und bilden mit weiteren solcher [PdZrF11]-Einheiten durch Eckenverknüpfung ein dreidimensionales Raumnetz, in dessen Lücken K+ eingelagert ist. Nach Vierkreisdiffraktometerdaten (AED2) kristallisiert KPdHfF7 isotyp (a = 1 136,1(3) pm, b = 796,4(2) pm und c = 638,8(1) pm).
    Additional Material: 4 Ill.
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  • 2
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 621 (1995), S. 1385-1394 
    ISSN: 0044-2313
    Keywords: Palladium ; quaternary fluorides ; LiPdGaF6 ; RbPdAlF6 ; K1.06Pd0.95Fe1.05F6 ; crystal structure ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: The Crystal Structure of LiPdGaF6, RbPdAlF6 and K1.06Pd0.95Fe1.05F6Single crystals of LiPdGaF6 (blue; trigonal, P31c-D3d2 (No. 163), a = 505.72(2), c = 923.7(2) pm; LiCaAlF6-Type [1]), RbPdAlF6 (violet; orthorhombic, Pnma-D2h16 (No. 62), a = 729.0(1), b = 711.1(1), c = 1006.5(2) pm; CsAgFeF6-Type [2]) and K1.06Pd0.95Fe1.05F6 (greenish-blue; tetragonal, P42/mbc-D4h13 (No. 135), a = 1 279.07(7), c = 800.2(1) pm; K1,08MnFeF6-Type [3]; four cycle diffractometer data, Siemens AED2) are obtained by heating the binary fluorides in sealed Pd-tubes under dry argon [solid state reaction, T ≈ 650, t ≈ 19 d (39 d, 24 d)].
    Notes: Durch Umsetzung von äquimolaren Gemengen der binären Fluoride im verschweißten Pd-Rohr unter Schutzgas [Ar, Festkörperreaktion, T = 650°C, t = 19 d (39 d, 24 d)] erhält man Einkristalle von LiPdGaF6 (blau, trigonal, P31c-D3d2 (No. 163), a = 505,72(2), c = 923,7(2) pm, LiCaAlF6-Typ [1]), RbPdAlF6 (violett, orthorhombisch, Pnma-D2h16 (No. 62), a = 729,0(1), b = 711,1(1), c = 1006,5(2) pm, CsAgFeF6-Typ [2]) sowie K1,06Pd0,95Fe1,05F6 (blau-grün, tetragonal, P42/mbc-D4h13 (No. 135), a = 1279,07(7), c = 800,2(1) pm; K1,08MnFeF6-Typ [3]; jeweils Vierkreisdiffraktometerdaten).
    Additional Material: 7 Ill.
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  • 3
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 621 (1995), S. 993-1000 
    ISSN: 0044-2313
    Keywords: Zirconium(IV) fluoride ; hafnium(IV) fluoride ; Cs2Cu3MIVF12 (MIV = Zr, Hf) ; crystal structure ; magnetic properties ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Cs2Cu3MIVF12 (MIV = Zr, Hf) - Crystal Structure and Magnetic BehaviourColourless single crystals of Cs2Cu3ZrF12 are obtained by heating the binary fluorides in sealed Pt-tubes under dry argon (solid state reaction, T ≍ 700°C, t ≍ 7-10 d). The compound crystallizes trigonal-rhomboedrical in the space group R3m-D3d5 (Nr. 166); lattice parameters are a = 716.61(6) pm, c = 2 046.4(2) pm, Z = 3 (Four cycle diffractometer data, AED 2). The structure is dominated by layers of corner-sharing, Jahn-Teller-distorted [CuF6]-Octahedra, which are connected via regular [ZrF6]-Octahedra to stackings parallel [00.1]. Cs+-ions are located in the spacings of the octahedra-network. From powder data Cs2Cu3HfF12 with a = 716.32(4) pm, c = 2 048.6(2) pm is isotypic. Both compounds show antiferromagnetic behaviour already at temperatures about 200 K.
    Notes: Durch Umsetzung der binären Fluoride im verschweißten Pt-Rohr unter Schutzgas (Ar, Festkörperreaktion, T ≍ 700°C, t ≍ 20d) erhält man farblose Einkristalle von Cs2Cu3ZrF12. [Trigonal-rhomboedrisch, R3m-D3d5 (Nr. 166), a = 716,61(6) pm, c = 2 046,4(2) pm, Z = 3 (Vierkreisdiffraktometerdaten, AED 2)]. Strukturbestimmend sind Schichten eckenverknüpfter, Jahn-Teller-verzerrter [CuF6]-Oktaeder, welche - über reguläre [ZrF6]-Oktaeder verknüpft - Stapel entlang [00.1] bilden. In den Hohlräumen der Struktur sind Cs+-Ionen eingelagert. Nach Pulverdaten kristallisiert Cs2Cu3HfF12 mit a = 716,32(4) pm, c = 2 048,6(2) pm isotyp. Beide Stoffe zeigen bereits bei Temperaturen um 200 K antiferromagnetisches Verhalten.
    Additional Material: 8 Ill.
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Journal of inclusion phenomena and macrocyclic chemistry 6 (1988), S. 491-505 
    ISSN: 1573-1111
    Keywords: Phenol ; diol ; diaza-18-crown-6 ; crystal structure
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract Diaza-18-crown-6 (1,4,10,13-tetraoxa-7,16-diaza-cyclo-octadecane) selectively precipitates as a 1,4-dihydroxybenzene-complex from a mixture of isomeric phenols and as a 2,6-dihydroxynapthalene-complex from mixtures of isomeric diols. These selective precipitations are discussed in terms of structure and solubility of the host-guest complexes and phenol acidity. The crystal structures of diaza-18-crown-6 with guestsp-nitrophenol (2: 1), 2,4-dinitroaniline (2: 1), 5,5-diethylbarbituric acid (2: 1), salicylaldoxime (2: 1) and 1,4-dihydroxybut-2-yne (1: 1) are reported.
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  • 5
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 68 (1996), S. 524-542 
    ISSN: 0009-286X
    Keywords: Chemistry ; Industrial Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Thanks to their high specific energy content, their cost-favourable materials, and their good environmental compatibility, zinc/atmospheric oxygen batteries are of interest as energy source for electrotraction. Rechargeable zinc/atmospheric oxygen batteries are particularly suitable for this application. Use of atmospheric oxygen as reactant requires a semi-open construction with stringent demands on the materials of the interface. The state of the art of variants of this battery type and the principal components (air-diffusion electrode, zinc electrode, electrolyte) are presented in detail and discussed in this review article.
    Additional Material: 8 Ill.
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  • 6
    ISSN: 0009-286X
    Keywords: Chemistry ; Industrial Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 68 (1996), S. 1139-1140 
    ISSN: 0009-286X
    Keywords: Chemistry ; Industrial Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 68 (1996), S. 1116-1116 
    ISSN: 0009-286X
    Keywords: Chemistry ; Industrial Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
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  • 9
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 69 (1997), S. 1297-1297 
    ISSN: 0009-286X
    Keywords: Chemistry ; Industrial Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Additional Material: 1 Ill.
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  • 10
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 69 (1997), S. 1225-1225 
    ISSN: 0009-286X
    Keywords: Chemistry ; Industrial Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Additional Material: 1 Ill.
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