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  • 1
    ISSN: 0044-2313
    Keywords: System lithium hydroxide/lithium iodide ; crystal structure of Li2I(OH) and Li5I(OH)4 ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Li2I(OH): A Compound with Onedimensional Infinite Edge Sharing [Li4/2(OH)+] PyramidsThe pseudobinary system LiOH/LiI was investigated by X-ray methods. Two compounds, Li2I(OH) and Li5I(OH)4 exist. The structure of Li2I(OH) was solved by single-crystal data. For Li5I(OH)4 lattice constants and space group symmetry are given:Li2I(OH): Pnma, Z = 4, a = 10.339(4) Å, b = 5.567(1) Å, c = 6.643(2) Å, Z(Fo) mit (Fo)2 ≧ 3σ(Fo)2 = 439, Z (parameter) = 23, R/Rw = 0.030/0.040Li5I(OH)4: Pmmn or P21mn(= Pmn21), Z = 2, a = 10.42 Å, b = 5.30 Å, c = 5.81 ÅLi2I(OH) crystallizes in a new type of structure. The motif of a distorted hexagonal close-packed arrangement of iodide ions is penetrated by chains of ∞1[Li4/2(OH)+].
    Notes: Das pseudobinäre System LiOH/LiI wurde röntgenographisch untersucht. Es gibt zwei Verbindungen, Li2I(OH) und Li5I(OH)4. Die Struktur von Li2I(OH) wurde mittels Einkristallröntgenstrukturanalyse aufgeklärt, von Li5I(OH)4 konnte die Elementarzellmetrik und Symmetrie ermittelt werden:Li2I(OH): Pnma, Z = 4, a = 10,339(4) Å, b = 5,567(1) Å, c = 6,643(2) Å, Z(Fo) mit (Fo)2 ≧ 3σ(Fo)2 = 439, Z (Parameter) = 23, R/Rw = 0,030/0,040Li5I(OH)4: Pmmn oder P21mn(= Pmn21), Z = 2, a = 10,42 Å, b = 5,30 Å, c = 5,81 ÅLi2I(OH) kristallisiert in einem eigenen Strukturtyp, dem das Motiv einer verzerrten hexagonal dichtesten Anordnung von Iodidionen zugrunde liegt, die von Strängen aus ∞1[Li4/2(OH)+] durchdrungen wird.
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  • 2
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 620 (1994), S. 479-482 
    ISSN: 0044-2313
    Keywords: System lithium amide/lithium bromide ; crystal structure of Li2Br(NH2) ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Li2Br(NH2): The First Ternary Alkali Metal Amide HalideThe pseudobinary system LiNH2/LiBr was investigated by X-ray methods. The crystal structure of the compound Li2Br(NH2) was solved by single crystal data:Li2Br(NH2): Pnma, Z = 8, a = 12.484(2) Å, b = 7.959(1) Å, c = 6.385(1) Å, Z(Fo) with (Fo)2 ≧ 3σ(Fo)2 = 348, Z (parameter) = 51, R/Rw = 0.019/0.021Li2Br(NH2) crystallizes in a new type of structure. To one another isolated chains of ∞1[Li2Li4/2(NH2)22+] show the motif of closest rod packing. They are connected via bromide ions in a distorted cubic primitive arrangement.
    Notes: Das pseudobinäre System LiNH2/LiBr wurde röntgenographisch untersucht. Die Struktur einer Verbindung, Li2Br(NH2), wurde mittels Einkristallröntgenstrukturanalyse aufgeklärt:Li2Br(NH2): Pnma, Z = 8, a = 12,484(2) Å, b = 7,959(1) Å, c = 6,385(1) Å, Z(Fo) mit (Fo)2 ≧ 3σ(Fo)2 = 348, Z (Parameter) = 51, R/Rw = 0,019/0,021Die Verbindung kristallisiert in einem eigenen Strukturtyp. Von ihresgleichen isolierte Stränge aus ∞1[Li2Li4/2(NH2)22+] bilden eine dem Motiv nach dichteste Stabpackung. Bromidionen verknüpfen die Stäbe in verzerrt kubisch primitiver Anordnung.
    Additional Material: 3 Ill.
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  • 3
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 621 (1995), S. 1185-1188 
    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.
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  • 4
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 622 (1996), S. 895-897 
    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.
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  • 5
    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.
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  • 6
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 620 (1994), S. 471-474 
    ISSN: 0044-2313
    Keywords: Lithium hydroxide/lithium chloride system ; crystal structure of Li4Cl(OH)3 and Li2Cl(OH) ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Unusual Coordination Polyhedra around Oxygen in Li4Cl(OH)3The pseudobinary system LiOH/LiCl was investigated by X-ray methods. Two compounds, Li4Cl(OH)3 and Li2Cl(OH), were obtained. The crystal structure of Li4Cl(OH)3 solved by single-crystal methods is delt with. For Li2Cl(OH) powder diffraction data are given:Li4Cl(OH)3: P21/m, Z = 2, a = 5.4096(8) Å, b = 7.382(2) Å, c = 6.2076(8) Å, β = 94.40(1)°, Z(Fo) with (Fo)2 ≧ 3σ(Fo)2 = 483, Z (parameter) = 50, R/Rw = 0.022/0.025 Li2Cl(OH): Pmma, Z = 2, a = 7.680(8) Å, b = 4.001(7) Å, c = 3.899(6) ÅThe hydroxide rich compound crystallizes in a new type of structure which contains puckered layers ∞2[Li4(OH)3+] connected via chloride ions.
    Notes: Das pseudobinäre System LiOH/LiCl wurde röntgenographisch untersucht. Zwei Verbindungen, Li4Cl(OH)3 und Li2Cl(OH), ließen sich nachweisen. Die Struktur von Li4Cl(OH)3 wurde an Einkristallen aufgeklärt, für Li2Cl(OH) liegen nur Pulverdaten vor:Li4Cl(OH)3: P21/m, Z = 2, a = 5,4096(8) Å, b = 7,382(2) Å, c = 6,2076(8) Å, β = 94,40(1)°, Z(Fo) mit (Fo)2≧3σ(Fo)2 = 483, Z (Parameter) = 50, R/Rw = 0,022/0,025 Li2Cl(OH): Pmma, Z = 2, a = 7,680(8) Å, b = 4,001(7) Å, c = 3,899(6) ÅDie hydroxidreichere Verbindung kristallisiert in einem neuen Strukturtyp, der gewellte Schichten von ∞2[Li4(OH)3+] enthält, die über Chloridionen verknüpft sind.
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  • 7
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 621 (1995), S. 1189-1192 
    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.
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  • 8
    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.
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  • 9
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 622 (1996), S. 717-720 
    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.
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