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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    ISSN: 0570-0833
    Keywords: Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 0044-8249
    Keywords: Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: On the Structure of LiMIIMIIIF6 Compounds. New Compounds with MIII=IN and TiLiMnIIInF6 compounds with MII = Mg, Mn, Co, Ni, Zn, Cd and Ca crystallize in the Na2SiF6 structure. The Ti(III) compound LiMgTiF6 has trirutile structure, LiMnTiF6 has Na2SiF6 and trirutile structure (H.-T. modification), LiCaTiF6 and LiCdTiF6 have Li2ZrF6 superstructure. With MII = Co, Ni and Zn solid solutions trirutile  -  MF2(rutile) could be only prepared. The lattice constants of all compounds are reported.For LiMnVF6 and LiFeGaF6 too dimorphism Na2SiF6 trirutile was observed.In the system LiNiCrF6 (trirutile)  -  LiMnCrF6 (Na2SiF6 structure) phase limits of both structures are determined in dependence on the ratio of ionic radii rMII/rMIII.Magnetic data of the In compounds with MII = Co and Ni and of the Ti(III) compounds with MII = Mg, Zn, Mn, just as of α- and β-LiMnVF6 are also given.The three structures only exist if rMII reaches from 0.6 to 1.2 Å and rMIII from 0.5 to 0.8 Å. The stability-fields are determined by the ratio of ionic radii rMII/rLi, rMIII/rLi and rMII/rMIII: trirutile 0.9-1.2, Na2SiF6 type 1.2-∼1.4 and Li2ZrF6 superstructure 〉1.4. The dependence of rate of ionic radii is explained by the different sharing of MF6 octahedra.
    Notes: Die LiMIIInF6-Verbindungen mit MII = Mg, Mn, Co, Ni, Zn, Cd und Ca kristallisieren sämtlich in der Na2SiF6-Struktur. Von den Ti(III)-Verbindungen kristallisieren LiMgTiF6 als Trirutil, LiMnTiF6 in der Na2SiF6- und in der Trirutilstruktur (H—T-Modifikation), LiCaTiF6 und LiCdTiF6 in der Li2ZrF6-Überstruktur. Mit MII = Co, Ni und Zn konnten nur Mischkristalle Trirutil-MF2(Rutil) erhalten werden. Für alle Verbindungen werden die Gitterkonstanten angegeben.Dimorphie Na2SiF6-Trirutil tritt auch bei LiMnVF6 und LiFeGaF6 auf.Im System LiNiCrF6 (Trirutil)-LiMnCrF6(Na2SiF6-Struktur) werden die Phasengrenzen der beiden Strukturen in Abhängigkeit vom Radienverhältnis rMII/rMIII ermittelt.Magnetisch gemessen wurden die In-Verbindungen mit MII = Co und Ni, die Ti(III)-Verbindungen mit MII = Mg, Zn, Mn sowie α- und β-LiMnVF6.Die drei Strukturen treten nur auf, wenn MII im Bereich von 0,6 bis 1,2 Å und MIII von 0,5 bis 0,8 Å liegen. Die Stabilitätsbereiche werden durch die Radienverhältnisse rMII/rLi, rMIII/rLi und rMII/rMIII bestimmt. Es gilt: Trirutil 0,9 bis 1,2, Na2SiF6 1,2 bis ∼1,4 und Li2ZrF6-Überstruktur 〉1,4. Die Abhängigkeit von den Radienverhältnissen wird mit den verschiedenartigen Oktaederverknüpfungen in diesen Strukturen in Zusammenhang gebracht.
    Additional Material: 3 Ill.
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  • 4
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 406 (1974), S. 38-44 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Investigation of Quaternary Fluorides LiMIIMIIIF6. Some Compounds of the BaLiCrF6 TypeSome monoclinically crystallizing compounds BaLiMIIIF6 (MIII = Al, Ga, Cr, V, Fe, Ti) are reported. Part of the lithium, which is tetrahedrally coordinated in the BaLiCrF6-type structures, could be replaced by Co(II) ions in solid solutions BaLiGaF6/KCoGaF6. The reflectance spectrum of tetrahedral CoF42- is given.
    Notes: Es wird über eine Reihe monoklin kristallisierender Verbindungen der Zusammensetzung BaLiMIIIF6 (MIII = Al, Ga, Cr, V, Fe, Ti) berichtet. Das in den Strukturen vom BaLiCrF6-Typ tetraedrisch koordiniert vorliegende Lithium ließ sich in Mischkristallen BaLiGaF6/KCoGaF6 partiell durch Co(II)-Ionen ersetzen. Das Reflexionsspektrum von tetraedrischem CoF42- wird mitgeteilt.
    Additional Material: 1 Ill.
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  • 5
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 413 (1975), S. 77-84 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Investigations of the Quaternary Fluorides LiMeIIMeIIIF6.The Structure of LiMnGaF6The structure of the trigonal compound LiMnGaF6 was determined (a = 8.638 Å, c = 4.738 Å, space group P 312, z = 3, R = 0.066). LiMnGaF6 crystallizes in an ordered Na2SiF6-structure. Besides isostructural quaternary fluorides of the formula type LiMnMeIIIF6 (MeIII = Al, Cr, V, Fe) and LiZnAlF6 were prepared by solid state reaction and investigated.
    Notes: Die Kristallstruktur der trigonalen Verbindung LiMnGaF6 wurde bestimmt (a = 8,638 Å, c = 4,738 Å, RG P 312, z = 3, R = 0,066). LiMnGaF6 kristallisiert in einer Ordnungsvarianten des Na2SiF6-Typs. Außerdem wurden die isotypen Fluoride LiMnMeIIIF6 (MeIII = Al, Cr, V, Fe) und LiZnAlF6 durch Festkörperreaktion dargestellt und untersucht.
    Additional Material: 2 Ill.
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