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  • crystal structure  (65)
  • 1990-1994  (65)
  • 1970-1974
  • 1
    Electronic Resource
    Electronic Resource
    Ein neuer Strukturtyp der Oxovanadate MV2O6: NiV2O6 (1991)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 596 (1991), S. 23-28 
    Details
    ISSN: 0044-2313
    Keywords: Nickel ; vanadium ; oxide ; crystal structure ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: A New Structure of Oxovanadates MV2O6 : NiV2O6Single crystals of NiV2O6 were prepared by solid state reactions below the melting point of the compound. It crystallizes with triclinic symmetry, space group Ci1 - P1; a = 7.128; b = 8.820; c = 4.793 Å; α = 90.24; β = 94.10 und γ = 102.15°; Z = 3. Ni2+ and two of the three vanadium point positions show an octahedral surrounding by O2- ions. The third V5+ position is tetrahedrally coordinated. The crystal structure will be shown and discussed.
    Notes: Einkristalle von NiV2O6 wurden mit Feststoffreaktionen nahe am Schmelzpunkt dieser Verbindung dargestellt. Mit Röntgen-Einkristalltechnik wurde die Struktur aufgeklärt. NiV2O6 kristallisiert triklin, Raumgruppe Ci1 - P1 mit a = 7,128; b = 8,820; c = 4,793 Å; α = 90,24; β = 94,10 und γ = 102,15° Z = 3. Ni2+ und zwei der drei Vanadiumpunktlagen sind oktaedrisch von O2- koordiniert. Die dritte V5+-Punktlage zeigt tetraedrische Koordination. Die Kristallstruktur wird vorgestellt und diskutiert.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19915960104
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  • 2
    Electronic Resource
    Electronic Resource
    Der Ba3In2O6-Typ mit Sc3+ In tetragonal pyramidaler Koordination Zur Kenntnis von BaSr2ScInO6 (1991)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 596 (1991), S. 29-33 
    Details
    ISSN: 0044-2313
    Keywords: Alkaline earth ; indium ; oxide ; crystal structure ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: On the Ba3In2O6-Type with Sc3+ in Square Pyramidal Coordination. About BaSr2ScInO6Single crystals of BaSr2ScInO6 were prepared by CO2 laser technique. X-ray investigations show tetragonal symmetry: space group D4h17-I4/mmm; a = 4.1020; c = 20.685 Å; Z = 2. It is isotypic to Ba3In2O6 and the phases Ln2-xSr1+xCu2O6-x/2, respectively. In3+ and Sc3+ are in statistically distribution and coordinated by square pyramids of oxygen.
    Notes: Mit CO2-Laser-Technik wurden Einkristalle von BaSr2ScInO6 dargestellt. Röntgenuntersuchungen führen zu tetragonaler Symmetrie: Raumgruppe D4h17 - I4/mmm; a = 4,1020; c = 20,685 Å; Z = 2. BaSr2ScInO6 ist mit Ba3In2O6 bzw. den Phasen Ln2-xSr1+xCu2O6-x/2 isotyp. In3+ und Sc3+ sind statistisch verteilt und werden von Sauerstoff tetragonal pyramidal koordiniert.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19915960105
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  • 3
    Electronic Resource
    Electronic Resource
    Darstellung und Struktur der Tetrafluoroaurate(III) MI[AuF4] mit MI = Li, RbProfessor Hans Georg von Schnering zum 60. Geburtstage gewidmet (1991)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 598 (1991), S. 103-110 
    Details
    ISSN: 0044-2313
    Keywords: Lithium, rubidium tetrafluoroaurate(III) ; preparation ; crystal structure ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Synthesis and Structure of Tetrafluoroaurates(III) MI[AuF4] with MI = Li, RbSingle crystal investigations on Rb[AuF4], light yellow, confirm the tetragonal unit cell (K[BrF4]-type) with a = 618.2(1) and c = 1191(1) pm, Z = 4, space group I 4/mcm-D4h18 (No. 140).Li[AuF4], light yellow too, crystallizes monoclinic with a = 485.32(7), b = 634.29(8), c = 1004.43(13) pm, β = 92.759(12), Z = 4; space group P 2/c-C2h4 (No. 13). The structure of Li[AuF4] is related to the Rb[AuF4]-type of structure.
    Notes: Einkristalluntersuchungen an Rb[AuF4], hellgelb, bestätigen die tetragonale Elementarzelle (K[BrF4]-Typ) mit a = 618,2(1) und c = 1191(1) pm, Z = 4, Raumgruppe I 4/mcm-D4h18 (Nr. 140).Ebenfalls hellgelbes Li[AuF4] hingegen kristallisiert monoklin (eigener Typ) in der Raumgruppe P 2/c-C2h4 (Nr. 13) mit a = 485,32(7), b = 634,29(8), c = 1004,43(13) pm, β = 92,759(12), Z = 4 und ist mit der Rb[AuF4]-Struktur verwandt.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19915980110
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  • 4
    Electronic Resource
    Electronic Resource
    Zur Kristallstruktur von Ba2ZnO3 (1992)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 612 (1992), S. 17-20 
    Details
    ISSN: 0044-2313
    Keywords: Barium ; zinc ; oxygen ; crystal structure ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: On the Crystal Structure of Ba2ZnO3Single crystals of Ba2ZnO3 were prepared by solid state reaction. It crystallizes monoclinic: space group C62h — C12/c1; a = 5.833; b = 11.376; c = 12.585 Å; β = 93.63°; Z = 8. The crystal structure is characterised by 1∞[ZnO3] chains along [100]. They are connected by Ba2+ in seven fold oxygen coordination.
    Notes: Ba2ZnO3 wurde durch Festkörperreaktion in einkristalliner Form dargestellt. Es kristallisiert in der Raumgruppe C62h — C12/c1; a = 5,833; b = 11,376; c = 12,585 Å, β = 93,63°; Z = 8. Die Kristallstruktur ist durch 1∞[ZnO3]-Ketten längs [100] gekennzeichnet. Diese werden durch Ba2+ (siebenfach durch O2- koordiniert) verknüpft.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19926120104
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  • 5
    Electronic Resource
    Electronic Resource
    Ein neues Oxometallat mit Mangan(II): Ba5Mn4Nd8O21 (1992)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 612 (1992), S. 21-24 
    Details
    ISSN: 0044-2313
    Keywords: Barium ; manganese ; neodymium ; oxygen ; crystal structure ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: On a New Oxometallate of Manganese (II): Ba5Mn4Nd8O21Single crystals of Ba5Mn4Nd8O21 were prepared for the first time by CO2-Laser technique using H2-atmosphere. It was investigated by a single crystal X-ray diffractometer study. Ba5Mn4Nd8O21 crystallizes with tetragonal symmetry space group: C54h—I4/m; a = 14.2104 Å; c = 5.8581 Å; Z = 2. Mn2+ is found in square pyramids of oxygen.
    Notes: Ba5Mn4Nd8O21 wurde erstmals mit CO2-Lasertechnik in H2-Atmosphäre dargestellt und an Einkristallen röntgenographisch untersucht. Es kristallisiert tetragonal in der Raumgruppe C54h—I4/m; a = 14,2104 Å; c = 5,8581 Å; Z = 2. Mn2+ liegt in tetragonal pyramidaler Sauerstoffkoordination vor.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19926120105
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  • 6
    Electronic Resource
    Electronic Resource
    (PPh4)[(ReO2S2)CuI] und (NEt4)2[(ReOS3)Cu3Cl4]: Fixierung der bisher nicht isolierten Ionen [ReO2S2]- und [ReOS3]- durch Ausnutzung der Stabilität der CuS2(Re)- und Cu3S3(Re)-Fragmente (1992)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 614 (1992), S. 115-120 
    Details
    ISSN: 0044-2313
    Keywords: Oxothioperrhenate ions, ReO2S2-, ReOS3- ; preparation ; crystal structure ; IR, UV/Vis spectra ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: (PPh4)[(ReO2S2)CuI] and (NEt4)2[ReOS3)Cu3Cl4]: Fixation of the up to now not Isolated Ions [ReO2S2]- and [ReOS3]- Utilizing the Stability of the CuS2(Re) and Cu3S3(Re) Fragments(PPh4)[(ReO2S2)CuI] (1) and (NEt4)2[ReOS3)Cu3Cl4] (2) containing the up to now not isolated oxothioperrhenate ions [ReO2S2]- and [ReOS3]- as ligands, have been prepared by the reaction of (NEt4)[ReS4] with PPh3 and CuI in acetone in the presence of (PPh4)I ((1)) or with CuCl in CH2Cl2 in the presence of (NEt4)Cl ((2)), respectively. 1 and 2 have been characterized by X-ray structure analysis, elemental analysis and spectroscopic studies (IR, UV/Vis). The electronic spectra show bands which can approximately be assigned to interesting low-energy charge-transfer-transitions of the type d(Cu) → d(Re).For crystal data see Inhaltsübersicht.
    Notes: (PPh4)[(ReO2S2)CuI] (1) und (NEt4)2[(ReOS3)Cu3Cl4] (2), die die bisher nicht isolierten Oxothioperrhenat-Ionen [ReO2S2]- und [ReOS3]- als Liganden enthalten, wurden durch Reaktion von (NEt4)[ReS4] mit PPh3 und CuI in Aceton in Gegenwart von (PPh4)I ((1) bzw. entsprechend mit CuCl in CH2Cl2 in Gegenwart von (NEt4)Cl ((2) erhalten. 1 und 2 wurden durch Einkristall-Röntgenstrukturanalyse, Elementaranalyse, sowie spektroskopische Untersuchungen (IR, UV/Vis) charakterisiert. In den Elektronenspektren findet man Banden, die interessanten niederenergetischen Charge-Transfer-Übergängen des Typs d(Cu) → d(Re) näherungsweise zugeordnet werden können.Kristalldaten: 1P21/n, a = 1162,2(4), b = 1395,7(6), c = 1612,3(9)pm, β = 96,53(4)° V = 2598(2) · 106pm3, R = 0,049 für 4623 unabhängige Reflexe (F0≥4,0σ(F0)).2C2/c, a = 2059,0(5), b = 1352,9(3), c = 2217,1(5)pm, β = 90,26(22)° V = 6176(2) · 106pm3, R = 0,080 für 3162 unabhängige Reflexe (F0≥4,0σ(F0)).
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19926140820
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  • 7
    Electronic Resource
    Electronic Resource
    Ein Halogenooxoruthenat (IV, V): Ba6Ru2, 5Mn0, 5O12Cl2 mit neuem Strukturtyp (1991)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 602 (1991), S. 143-147 
    Details
    ISSN: 0044-2313
    Keywords: Halogenooxoruthenate(IV, V) ; ruthenium ; oxygen ; chlorine ; crystal structure ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: About a Halogenooxoruthenat (IV, V): Ba6Ru2,5Mn0,5O12Cl2 with a New Structure TypeBa6Ru2.5Mn0.5O12Cl2 was prepared and investigated by single crystal X-ray work (space group D3d3 - P3m1; a = b = 5.799; c = 14.853 Å; Z = 1). This structure type is characterized by «isolated», face-sharing (Ru/Mn)3O12-octahedratriple. Calculations of the Coulomb term of lattice energy support the charge distribution (5+/4+/5+) within the groups (Ru/Ru0.5Mn0.5/Ru)3O1210-. The coordination of barium by oxygen and chlorine within three different polyhedra is discussed in detail.
    Notes: Ba6Ru2, 5Mn0, 5O12Cl2 wurde dargestellt und mit Röntgenmethoden an Einkristallen untersucht (Raumgruppe D3d3 - P3m1; a = b = 5, 799; c = 14, 853 Å; Z = 1). Der neu gefundene Strukturtyp wird durch „isolierte“, flächenverknüpfte (Ru/Mn)3O12-Oktaedertripel charakterisiert. Berechnungen der Coulombenergie zeigen, daß; in den (Ru/Ru0,5Mn0,5/Ru)3O1210--Gruppen eine Ladungsverteilung (5+/4+/5+) vorliegt. Ba2+ zeigt drei verschiedene Koordinationspolyeder, die ausführlich diskutiert werden.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19916020115
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  • 8
    Electronic Resource
    Electronic Resource
    Zur Kenntnis von (Ba0,5Sr0,5)Cu2V2O8 und Ba(CuMg)V2O8 (1991)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 602 (1991), S. 149-154 
    Details
    ISSN: 0044-2313
    Keywords: Alkaline earth ; copper ; vanadium ; oxide ; crystal structure ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: On (Ba0,5Sr0,5)Cu2V2O8 and Ba(CuMg)V2O8Single Crystals of (A): (Ba0.5Sr0.5)Cu2V2O8 and (B) Ba(CuMg)V2O8 were prepared by solid state reactions below the melting points of the starting mixtures. Both compounds were examined by X-ray technique. They crystallize in the space groups (A): 142d [No. 122]; a = 12.65; c = 8.18 Å; Z = 8; and (B): 141/acd [No. 142]; a = 12.50; c = 8.33 Å; Z = 8. In (A) are Ba2+ plus Sr2+ and in (B) are Cu2+ plus Mg2+ in statistical distribution. The square pyramidal Cu2+ coordination in (A) is changed to an octahedron in (B), by replacing Cu2+ by Mg2+.
    Notes: Einkristalle von (A): (Ba0,5Sr0,5)Cu2V2O8 und (B): Ba(CuMg)V2O8 wurden durch Feststoffreaktionen dicht unterhalb des Schmelzpunktes der jeweiligen Reaktionsgemenge erhalten. Zellparameter und Atompositionen wurden röntgenographisch bestimmt. Die Verbindungen kristallisieren in den Raumgruppen (A): 142d, [Nr. 122] mit a = 12,65; c = 8,18 Å; Z = 8; (B): 141/acd; [Nr. 142] mit a = 12,50; c = 8,33 Å; Z = 8. In (A) sind Ba2+ und Sr2+, in (B) Cu2+ und Mg2+ statistisch verteilt. Die tetragonal pyramidale Koordination von Cu2+ in (A) ändert sich durch den Einbau von. Mg2+ in (B) in eine gestreckt oktaedrische.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19916020116
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  • 9
    Electronic Resource
    Electronic Resource
    Eine weitere Oxovanadat-Phase mit Granatstruktur: Ca5Mg3ZnV6O24 (1992)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 615 (1992), S. 101-103 
    Details
    ISSN: 0044-2313
    Keywords: Calcium ; magnesium ; zinc ; vanadium ; crystal structure ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: An Additional Oxovanadate Phase with Garnet Structure: Ca5Mg3ZnV6O24Single crystals of Ca5Mg3ZnV6O24 were prepared by solid state reactions some degree below the melting point of the reaction mixture. It crystallizes with cubic symmetry, space group Td6-I43 d with a = 12.429 Å, Z = 4. The crystal structure is nearly related to the Garnet structure showing Ca2+ within distorted cubes (C.N. = 8) of O2- on a partly unfilled position. the octahedra position are occupied by Mg2+ and Zn2+ statistically.
    Notes: Einkristalle von Ca5Mg3ZnV6O24 wurden durch Feststoffreaktionen dicht unterhalb des Schmelzpunktes der Reaktionsmischung erhalten. Diese Substanz kristallisiert mit kubischer Symmetrie, Raumgruppe Td6-I43 d mit a = 12,429 Å, Z = 4. Die Kristallstruktur ist eng mit der Granatstruktur verwandt und zeigt Ca2+ in gestörten Würfeln von O2- (C.N. = 8) auf einer teilweise unaufgefüllten Punktlage. Die oktaedrisch koordinierten Positionen sind mit Mg2+ und Zn2+ statistisch besetzt.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19926150920
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  • 10
    Electronic Resource
    Electronic Resource
    Synthese und Kristallstruktur von Ba4,5Ca1,5La2Fe4O15, Ba5CaEu2Fe4O15 und Ba5CaNd2Co4O15 (1992)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 617 (1992), S. 84-88 
    Details
    ISSN: 0044-2313
    Keywords: Alkaline earth lanthanoide iron (cobalt) oxide ; crystal structure ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Synthesis and Crystal Structure of Ba4.5Ca1.5La2Fe4O15, Ba5CaEu2Fe4O15 and Ba5CaNd2Co4O15The compounds (I) Ba4.5Ca1.5La2Fe4O15, (II) Ba5CaEu2Fe4O15 and (III) Ba5CaNd2Co4O15 were prepared and investigated by single crystal X-Ray technique. They belong to the Ba6Nd2Al4O15 typ, space group C6v4—P63mc, (I): a = 11.677, c = 6.959 Å; (II): a = 11.570, c = 6.892 Å; (III): a = 11.604, c = 6.839 Å, Z = 2. The crystal chemistry of these substances will be discussed.
    Notes: Die Verbindungen (I) Ba4,5Ca1,5La2Fe4O15, (II) Ba5CaEu2Fe4O15 und (III) Ba5CaNd2Co4O15 wurden einkristallin dargestellt und röntgenographisch untersucht. Sie kristallisieren im Ba6Nd2Al4O15-Typ, Raumgruppe C6v4—P63mc mit (I): a = 11,677, c = 6,959 Å; (II): a = 11,570, c = 6,892 Å; (III): a = 11,604, c = 6,839 Å, Z = 2. Die Kristallchemie dieser Stoffe wird diskutiert.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19926170113
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