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  • 1
    Electronic Resource
    Electronic Resource
    Rb2I(OH): Ein Hydroxidiodid im System RbOH/RbI (1996)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 622 (1996), S. 717-720 
    Details
    ISSN: 0044-2313
    Keywords: Rubidium hydroxide iodide ; synthesis ; single-crystals ; crystal structure ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Rb2I(OH): A Hydroxide Iodide in the System RbOH/RbIThe pseudobinary system RbOH/RbI was investigated by X-ray methods. The crystal structure of Rb2I(OH) was solved by single crystal data: Rb2I(OH): Pnma, Z = 4, a = 7.748(1) Å, b = 5.654(2) Å,c = 13.254(2) Å Z(Fo) with (Fo)2 ≥ 3σ = (Fo)2 = 449, Z (parameter) = 25, R/Rw = 0.021/0.023 Rb2I(OH) crystallizes in a new type of structure, built up by a three dimensional network of ∞3[Rb2(OH)+] containing the iodide ions.
    Notes: Das pseudobinäre System RbOH/RbI wurde röntgenographisch untersucht und die Struktur von Rb2I(OH) an Einkristallen aufgeklärt: Rb2I(OH): Pnma, Z = 4, a = 7,748(1) Å, b = 5,654(2) Å, c = 13,254(2) Å, Z(Fo) mit (Fo)2 ≥ 3σ = (Fo)2 = 449, Z (Parameter) = 25, R/Rw = 0,021/0,023 Rb2I(OH): kristallisiert in einem eigenen Strukturtyp, der aus einem dreidimensionalen Netzwerk von ∞3[Rb2(OH)+] aufgebaut ist, das I- enthält.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19966220425
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  • 2
    Electronic Resource
    Electronic Resource
    Li2CrO4 · 2H2O: Ungewöhnliche Wasserstoffbrückenbindung und Koordination der O-Liganden des Anions CrO42- (1996)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 622 (1996), S. 721-723 
    Details
    ISSN: 0044-2313
    Keywords: Lithium chromate dihydrate ; single-crystals ; crystal structure ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Li2CrO4 · 2H2O: Unusual Hydrogen Bridge Bonding and Coordination for Oxygen of the Anions CrO42-The crystal structure of Li2CrO4 · 2H2O was solved including the positions of hydrogen by X-ray methods. Li2CrO4 · 2H2O: P212121, Z = 4, a = 5.503(1) Å, b = 7.733(2) Å, c = 11.987(2) Å, Z(Fo) with (Fo)2 ≥ 3σ(Fo)2 = 2284, Z (parameter) = 99, R/Rw = 0.025/0.029 LiCrO4 · 2H2O contains a locally bordered hydrogen bridge bonding system between water molecules as donors and two O of CrO42- as acceptors. This system connects anions in the direction [010]. It is noticeable that oxygen ligands of the anion CrO42- have strongly differing coordination.
    Notes: Die Kristallstruktur von Li2CrO4 · 2 H2O wurde einschließlich der Wasserstofflagen röntgenographisch ermittelt: Li2CrO4 · 2 H2O: P212121, Z = 4, a = 5,503(1) Å, b = 7,733(2) Å, c = 11,987(2) Å, Z(Fo) mit (Fo)2 ≥ 3σ(Fo)2 = 2284, Z (Parameter) = 99, R/Rw = 0,025/0,029 Li2CrO4 · 2H2O enthält lokal begrenzte Wasserstoffbrückenbindungssysteme zwischen Wassermolekülen als Donatoren und zwei O von CrO42- als Akzeptoren. Sie verknüpfen Anionen in Richtung [010]. Auffallend ist die sehr unterschiedliche Koordination der O-Liganden des Anions CrO42-.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19966220426
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  • 3
    Electronic Resource
    Electronic Resource
    Na5Br(OH)4: Darstellung und Kristallstruktur einer Verbindung im System NaOH/NaBr (1995)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 621 (1995), S. 1185-1188 
    Details
    ISSN: 0044-2313
    Keywords: Sodium bromide hydroxide ; synthesis ; single-crystals ; crystal structure ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Na5Br(OH)4: Synthesis and Structure of a Compound in the System NaOH/NaBrThe pseudobinary system NaOH/NaBr is investigated by X-ray methods. The structure of the compound Na5Br(OH)4 was solved by single crystal data:Na5Br(OH)4: Pnma, Z = 8, a = 11.846(2) Å, b = 18.782(4) Å, c = 6.431(1) Å, Z(Fo) = 1 202 with (Fo)2 ≥ 3σ(Fo)2, Z(parameter) = 100, R/Rw = 0.030/0.035The compound crystallizes in a new type of structure. Pairs of octahedra around O by 5 Na and 1 H to [Na5(OH)]2 are orientated in such a way to one another that two ions OH- form a parallelogram hinting to unusual bent hydrogen bridge bonding.
    Notes: Das pseudobinäre System NaOH/NaBr wurde röntgenographisch untersucht und die Struktur von Na5Br(OH)4 mittels Röntgenstrukturanalyse an Einkristallen aufgeklärt:Na5Br(OH)4: Pnma, Z = 8, a = 11,846(2) Å, b = 18,782(4) Å, c = 6,431(1) Å, Z(Fo) = 1 202 mit (Fo)2 ≥ 3σ(Fo)2, Z(Parameter) = 100, R/Rw = 0,030/0,035.Auffällig an dem neuen Strukturtyp ist eine paarweise Anordnung von Oktaedern um O durch 5 Na und 1 H zu [Na5(OH)]2. Je zwei OH- sind so zueinander orientiert, daß auf ungewöhnlich gewinkelte H-Brücken auf zwei gegenüberliegenden Seiten eines Parallelogramms zu schließen ist.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19956210712
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  • 4
    Electronic Resource
    Electronic Resource
    Na7I2(OH)5: Ein Hydroxidiodid im System NaOH/NaI (1995)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 621 (1995), S. 1189-1192 
    Details
    ISSN: 0044-2313
    Keywords: Sodium hydroxide iodide ; synthesis ; single-crystals ; crystal structure ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Na7I2(OH)5: A Hydroxide Iodide in the System NaOH/NaIThe pseudobinary system NaOH/NaI is investigated by X-ray methods. The crystal structure of the compound Na7I2(OH)5 was solved by single crystal data:Na7I2(OH)5: P4/nmm, Z = 2, a = 7.748(2) Å, c = 10.260(3) Å, Z(Fo) = 443 with (Fo)2 ≥ 3σ(Fo)2, Z(parameter) = 28, R/Rw = 0.044/0.059Na7I2(OH)5 crystallizes in a new type of structure which contains puckered layers of ∞2[Na7(OH)52+] connected via iodide ions.
    Notes: Das pseudobinäre System NaOH/NaI wurde röntgenographisch untersucht und die Struktur einer Verbindung, Na7I2(OH)5, mittels Röntgenstrukturanalyse an Einkristallen aufgeklärt:Na7I2(OH)5: P4/nmm, Z = 2, a = 7,748(2) Å, c = 10,260(3) Å, Z(Fo) = 443 mit (Fo)2 ≥ 3σ(Fo)2, Z(Parameter) = 28, R/Rw = 0,044/0,059.Die Verbindung kristallisiert in einem eigenen Strukturtyp, der gewellte Schichten von ∞2[Na7(OH)52+] enthält, die über I- verknüpft sind.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19956210713
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  • 5
    Electronic Resource
    Electronic Resource
    K2Br(OH) und Rb2Br(OH): Zwei neue ternäre Alkalimetallhalogenidhydroxide mit ausgeprägter Strukturverwandtschaft zu KOH bzw. RbOH (1995)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 621 (1995), S. 1193-1196 
    Details
    ISSN: 0044-2313
    Keywords: Potassium bromide hydroxide ; Rubidium bromide hydroxide ; synthesis ; single-crystals ; crystal structure ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: K2Br(OH) and Rb2Br(OH): Two New Ternary Alkali Metal Halide Hydroxides with a Pronounced Structural Relationship to KOH resp. RbOHTwo isotypic compounds K2Br(OH) and Rb2Br(OH) were prepared in the systems KOH/KBr and RbOH/RbBr. Their structures were determined by single crystal X-ray methods:K2Br(OH): P21/m, Z = 2, a = 6.724(1) Å, b = 4.272(4) Å, c = 8.442(2) Å, β = 108.14(2)°, Z(Fo) = 651 with (Fo)2 ≥ 3σ(Fo)2, Z(parameter) = 28, R/Rw = 0.041/0.047Rb2Br(OH): P21/m, Z = 2, a = 6.918(3) Å, b = 4.483(2) Å, c = 8.850(5) Å, β = 108.08(6)°, Z(Fo) = 326 mit (Fo)2 ≥ 3σ(Fo)2, Z(parameter) = 27, R/Rw = 0.074/0.082.The compounds are built up by chains of ∞1[M2(OH)+] connected via Br-. The structure of the chains as well as their orientation to one another show a pronounced relationship to the structures of the room temperature modifications of the isotypic binary hydroxides KOH and RbOH.
    Notes: In den pseudobinären Systemen KOH/KBr und RbOH/RbBr konnten die beiden isotypen Verbindungen K2Br(OH) und Rb2Br(OH) dargestellt werden. Ihre Struktur wurde mittels Röntgenstrukturanalyse an Einkristallen aufgeklärt:K2Br(OH): P21/m, Z = 2, a = 6,724(1) Å, b = 4,272(4) Å, c = 8,442(2) Å, β = 108,14(2)°, Z(Fo) = 651 mit (Fo)2 ≥ 3σ(Fo)2, Z(Parameter) = 28, R/Rw = 0,041/0,047.Rb2Br(OH): P21/m, Z = 2, a = 6,918(3) Å, b = 4,483(2) Å, c = 8,850(5) Å, β = 108,08(6)°, Z(Fo) = 326 mit (Fo)2 ≥ 3σ(Fo)2, Z(Parameter) = 27, R/Rw = 0,074/0,082.Die Verbindungen sind aus isolierten Strängen von ∞1[M2(OH)+] aufgebaut, die durch Br- verknüpft werden. Sowohl der Aufbau der einzelnen Stränge als auch ihre Orientierung zueinander zeigen eine deutliche Verwandtschaft zum Aufbau der Raumtemperaturform der ebenfalls isotypen binären Hydroxide KOH und RbOH.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19956210714
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  • 6
    Electronic Resource
    Electronic Resource
    Zur Kenntnis von Na4Br(NH2)3: Ein Amidbromid im System NaNH2/NaBr (1996)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 622 (1996), S. 895-897 
    Details
    ISSN: 0044-2313
    Keywords: Sodium triamide bromide ; synthesis ; single-crystals ; crystal structure ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Na4Br(NH2)3: An Amide Bromide in the System NaNH2/NaBrThe pseudobinary system NaNH2/NaBr was investigated by X-ray methods. The crystal structure of Na4Br(NH2)3 was solved by single crystal data: Pnnm, Z = 4, a = 6.579(2) Å, b = 12.755(4) Å, c = 8.776(2) Å Z(Fo) with (Fo)2 ≥ 3σ = (Fo)2 = 503, Z(parameter) = 39, R/Rw = 0.082/0.106.It is a new type of structure, built up by a three-dimensional network of ∞3[Na4(NH2)3+] containing the bromide ions.
    Notes: Das pseudobinäre System NaNH2/NaBr wurde röntgenographisch untersucht und die Struktur von Na4Br(NH2)3 über Einkristalldaten aufgeklärt: Pnnm, Z = 4, a = 6,579(2) Å, b = 12,755(4) Å, c = 8,776(2) Å, Z(Fo) mit (Fo)2 ≥ 3σ(Fo)2 = 503, Z(Parameter) = 39, R/Rw = 0,082/0,106.Es liegt ein eigener Strukturtyp vor, der aus einem dreidimensionalen Netzwerk von ∞3[Na4(NH2)3+] aufgebaut ist, das Br- enthält.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19966220525
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