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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 619 (1993), S. 1095-1097 
    ISSN: 0044-2313
    Keywords: Rubidium auride ; caesium auride ; preparation ; single-crystals ; crystal structure ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Single-Crystal Growth and Structure Refinement of RbAu and CsAuSingle-crystals of RbAu and CsAu were obtained by the reaction of the alkalimetal azides with gold-powder at 400°C. The structures were determined from X-ray single-crystal diffraktometer data: space group Pm3m, Z = 1; RbAu, a = 4.098(1) Å, R/Rw(w = 1) = 0.011/0.011, N(Fo2) ≥ 3σ(Fo2) = 41 and N(var.) = 4; CsAu, a = 4.258(1) Å, R/Rw(w = 1) = 0.009/0.010, N(Fo2) ≥ 3σ(Fo2) = 34 and N(var.) = 4. Both compounds crystallize in the completely ordered CsCl-type with neglible deviations from the ideal 1:1-composition.
    Notes: Einkristalle von RbAu und CsAu wurden durch Reaktion der Alkalimetallazide mit Goldpulver bei 400°C erhalten. Die Strukturen wurden aus Einkristall-Röntgen-Diffraktometerdaten bestimmt: Raumgruppe Pm3m, Z = 1; RbAu, a = 4,098(1) Å, R/Rw(w = 1) = 0,011/0,011, Z(Fo2) ≥ 3σ(Fo2) = 41 und Z(Var.) = 4; CsAu, a = 4,258(1) Å, R/Rw(w = 1) = 0,009/0,010, Z(Fo2) ≥ 3σ(Fo2) = 34 und Z(Var.) = 4. Beide Verbindungen kristallisieren im vollständig geordneten CsCl-Typ mit vernachlässigbarer Abweichung von der idealen 1:1-Zusammensetzung.
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  • 2
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 623 (1997), S. 1503-1505 
    ISSN: 0044-2313
    Keywords: Ditetraammine lithium tetraphenyldistannide ; synthesis ; single-crystals ; crystal structure ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Tetraammine Lithium Cations Stabilizing Phenylsubstituted Zintl-Anions: The Compound [Li(NH3)4]2[Sn2Ph4]Ruby-red, brittle single crystals of [Li(NH3)4]2[Sn2Ph4] were synthesized by the reaction of diphenyltin dichloride and metallic lithium in liquid ammonia at -35°C. The structure was determined from X-ray singlecrystal diffractometer data: Space group, P1, Z = 1, a = 9.462(2) Å, b = 9.727(2) Å, c = 11.232(2) Å, α = 66.22(3)°, β = 85.78(3)°, γ = 61.83(3)°, R1 (F02 ≥ 4σF02) = 5.13%, wR2 (F02 ≥ 4σF02) = 10.5%, N(F02 ≥ 4σF02) = 779, N(Var.) = 163.The compound contains to Sb2Ph4 isosteric centres [Sn2Ph4]2- as anions which are connected to rods by lithium cations in distorted tetrahedral coordination by ammonia. These rods are arranged parallel to one another in the b,c-plane, but stacked along [100].
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  • 3
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 621 (1995), S. 1677-1680 
    ISSN: 0044-2313
    Keywords: Sodium auride indide ; synthesis ; single-crystals ; crystal structure ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: NaAuIn2, a Ternary Auride with Ethane Analogous In2Au6 Building Units and ∞1[In2/2] ChainsSilver coloured, brittle single crystals of NaAuIn2 were synthesized by the reaction of NaN3, gold-sponge and indium at 500°C. The structure was determined from X-ray single-crystal diffractometry data: space group Cmcm, Z = 4, a = 4.482(1) Å, b = 10.366(2) Å, c = 7.869(2) Å, R/Rw(w = 1) = 0.017/0.020, Z(F02) ≥ 3σ(F02) = 547 and N(var.) = 16.NaAuIn2 crystallizes in the MgCuAl2-structure type. Gold and indium form a framework structure. ∞2[AuIn6/3] layers with trigonal prismatically coordinated gold are connected via In - In contacts along [010] which consist of ethane analogous In2Au6-building units. The In-partial structure consists of saw tooth like ∞1[In2/2] chains along [001]. The sodium atoms occupy channel-like cavities within the Au - In framework structure.
    Notes: Silberfarbene, spröde Einkristalle von NaAuIn2 wurden durch Umsetzung von NaN3, Goldschwamm und Indium bei 500°C synthetisiert. Die Struktur wurde aus Röntgen-Einkristall-Diffraktometerdaten bestimmt: Raumgruppe Cmcm, Z = 4, a = 4,482(1) Å, b = 10,366(2) Å, c = 7,869(2) Å, R/Rw(w = 1) = 0,017/0,020, Z(F02) ≥ 3σ(F02) = 547 and Z(Var.) = 16.NaAuIn2 kristallisiert im MgCuAl2-Typ. Gold und Indium bilden eine Gerüststruktur. ∞2[AuIn6/3]-Schichten mit trigonal prismatisch koordiniertem Gold werden entlang [010] über In - In-Kontakte verbunden, die aus ethananalogen In2Au6-Baueinheiten bestehen. Die In-Teilstruktur besteht aus sägezahnförmigen ∞1[In2/2]-Ketten entlang [001]. Natrium besetzt kanalartige Hohlräume innerhalb der Au - In-Teilstruktur.
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  • 4
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 622 (1996), S. 1173-1176 
    ISSN: 0044-2313
    Keywords: Sodium auride germanide ; synthesis ; single-crystals ; crystal structure ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: NaAuGe, a Further Ternary Auride with Ethane Analogous Ge2Au6 Building UnitsBlack, brittle single crystals of NaAuGe were obtained by the reaction of NaN3, gold sponge and germanium at 800°C. The structure was determined from X-ray single-crystal diffractometry data: space group Imm2, Z = 4, a = 4.422(1) Å, b = 7.238(2) Å, c = 7.531(2) Å, R1/wR2 = 0.0195/0.0482, N(Fo2) ≥ 2σ(Fo2) = 811 and N(var.) = 21.NaAuGe crystallizes in a new ternary variant of the KHg2 (CeCu2)structure type. Gold and germanium form puckered ∞2[AuGe3/3] layers with trigonal planar coordinated gold. The ∞2[AuGe3/3] nets are connected to a framework structure via Ge - Ge contacts along [010] which consist of ethane analogous Ge2Au6 building units. The sodium atoms are placed in channels of the Au - Ge framework structure which run along [100] and [010].
    Notes: Schwarze, spröde Einkristalle von NaAuGe wurden durch Umsetzung von NaN3, Goldschwamm und Germanium bei 800°C erhalten. Die Struktur wurde aus Röntgen-Einkristall-Diffraktometerdaten bestimmt: Raumgruppe Imm2, Z = 4, a = 4,422(1) Å, b = 7,238(2) Å, c = 7,531(2) Å, R1/wR2 = 0,0195/0,0482, Z(Fo2) ≥ 2σ(Fo2) = 811 and Z(Var.) = 21.NaAuGe kristallisiert in einer neuen ternären Variante des KHg2 (CeCu2)-Typs. Gold und Germanium bilden stark gewellte ∞2[AuGe3/3]-Netze mit trigonal planar koordiniertem Gold. Die ∞2[AuGe3/3]-Netze werden über Ge - Ge-Kontakte die aus ethan-analogen Ge2Au6-Baueinheiten bestehen, entlang [010] zu einer Gerüststruktur verbunden. Natrium befindet sich in Kanälen der Au - Ge-Gerüststruktur, die längs [100] und [010] verlaufen.
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  • 5
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 622 (1996), S. 635-639 
    ISSN: 0044-2313
    Keywords: Alkali metal gold antimon ; synthesis ; single-crystals ; crystal structure ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Compounds in the Systems Potassium(Rubidium)/Gold/Antimony: K3Au3Sb2, Rb3Au3Sb2, and K1,74Rb0,26RbAu3Sb2Brittle, silver coloured single crystals of K3Au3Sb2, Rb3Au3Sb2 and K1,74Rb0,26RbAu3Sb2 were obtainded by reaction of the alkali metal azides (KN3, RbN3) with gold and antimon powder at 550°C. The structures of the isotypic compounds (R3m, Z = 3) were determined by X-ray single-crystal diffractometer data: K3Au3Sb2, a = 6,198(2) Å, c = 21,520(5) Å, R/Rw (w = 1) = 0,046/0,058, Z(F02) ≥ 3σ(F02) = 175, Z(Var.) = 14; Rb3Au3Sb2, a = 6,443(3), c = 21,69(2), R/Rw (w = 1) = 0,059/0,082, Z(F02) ≥ 3σ(F02) = 258, Z(Var.) = 14; K1,74Rb0,26RbAu3Sb2, a = 6,288(2) Å, c = 21,617(5) Å, R/Rw (w = 1) = 0,049/0,069, Z(F02) ≥ 3σ(F02) = 390, Z(Var) = 14. The compounds crystallize with the K3Cu3P2-structure type. The Au—Sb partial structures consist of ∞2[AuSb2/3] layers with linear Sb—Au—Sb dumb-bells and SbAu3 pyramids. The layers are separated by two crystallographically independent alkali metal atoms along [001].
    Notes: Spröde, silberfarbene Einkristalle von K3Au3Sb2, Rb3Au3Sb2 und K1,74Rb0,26RbAu3Sb2 wurden durch Reaktion der Alkalimetallazide (KN3, RbN3) mit Gold- und Antimonpulver bei 550°C erhalten. Die Strukturen der isotypen Verbindungen (R3m, Z = 3) wurden aus Einkristall-Röntgen-Diffraktometerdaten bestimmt: K3Au3Sb2, a = 6,198(2) Å, c = 21,520(5) Å, R/Rw (w = 1) = 0,046/0,058, Z(F02) ≥ 3σ(F02) = 175, Z(Var.) = 14; Rb3Au3Sb2, a = 6,443(3), c = 21,69(2), R/Rw (w = 1) = 0,059/0,082, Z(F02) ≥ 3σ(F02) = 258, Z(Var.) = 14; K1,74Rb0,26RbAu3Sb2, a = 6,288(2) Å, c = 21,617(5) Å, R/Rw (w = 1) = 0,049/0,069, Z(F02) ≥ 3σ(F02) = 390, Z(Var) = 14. Die Verbindungen kristallisieren im K3Cu3P2-Typ. Die Au—Sb-Teilstruktur besteht aus ∞2[AuSb2/3]-Schichten mit linearen Sb—Au—Sb-Hanteln und SbAu3-Pyramiden. Die Schichten werden längs [001] durch zwei kristallographisch unterschiedliche Alkalimetallatome separiert.
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  • 6
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 623 (1997), S. 1380-1384 
    ISSN: 0044-2313
    Keywords: Caesium rubidium auride ; synthesis ; single-crystals ; crystal structure ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Gold-rich Aurides with Caesium: Cs1.34Rb0.66RbAu7 and Cs1.60Rb0.40RbAu7Cs1,60Rb0,40RbAu7, Raumgruppe Cmmm, Z = 2, a = 5,677(1) Å, b = 13,273(3) Å, c = 7,288(1) Å, R1/wR2 = 0,0392/0,0892, Z(F2o) ≥ 2σ(F2o) = 700 and Z(Var.) = 23.Silver coloured, brittle single crystals of Cs1.34Rb0.66RbAu7 and Cs1.60Rb0.40RbAu7 were obtained by the reaction of CsN3, RbN3 and gold sponge at 903 K. The structures were determined from X-ray single-crystal diffractometry data: Cs1.34Rb0.66RbAu7, space group Cmmm, Z = 2, a = 5.657(1) Å, b = 13.265(4) Å, c = 7.281(2) Å, R1/wR2 = 0.0373/0,0628, N(F2o) ≥ 2σ(F2o) = 818 and N(var.) = 23.
    Notes: Silberfarbene, spröde Einkristalle von Cs1,34Rb0,66RbAu7 und Cs1,60Rb0,40RbAu7 wurden durch Umsetzungen von CsN3, RbN3 und Goldschwamm bei 903 K erhalten. Die Strukturen wurden aus Röntgen-Einkristall-Diffraktometerdaten bestimmt: Cs1,34Rb0,66RbAu7, Raumgruppe Cmmm, Z = 2, a = 5,657(1) Å, b = 13,265(4) Å, c = 7,281(2) Å, R1/wR2 = 0,0373/0,0628, Z(F2o) ≥ 2σ(F2o) = 818 and Z(Var.) = 23.Die Phasen kristallisieren im Rb3Au7-Strukturtyp. Caesium und Rubidium besetzen kanalartige Hohlräume der Gold-Gerüst-Struktur. Nur die M(1)-Lage der zwei kristallographisch unterschiedlichen Alkalimetall-Lagen des Rb3Au7-Strukturtyps wird in CsxRb2-xRbAu7 statistisch von Caesium besetzt.Cs1.60Rb0.40RbAu7, space group Cmmm, Z = 2, a = 5.677(1) Å, b = 13.273(3) Å, c = 7.288(1) Å, R1/wR2 = 0.0392/0.0892, N(F2o) ≥ 2σ(F2o) = 700 and N(var.) = 23.The phases crystallize with the Rb3Au7 structure type. Caesium and rubidium occupy channel-like cavities of the gold framework structure. Only the M(1) site of the two crystallographically different Rb sites of the Rb3Au7 structure type is occupied by caesium in CsxRb2-xRbAu7.
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