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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 619 (1993), S. 1431-1440 
    ISSN: 0044-2313
    Keywords: Fluoroplatinates(IV) ; preparation ; single crystal structure ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Fluoroplatinates(IV) of the Lanthanides LnF[PtF6] (Ln = Pr, Sm, Gd, Tb, Dy, Ho, Er)For the first time fluorides LnF[PtF6] (Ln = Pr, Sm, Gd, Tb, Dy, Ho, Er), all yellow have been obtained. From single crystal data they crystallize monoclinic, space group P21/n-C2h5 (No. 14), Z = 4, Pr: a = 1 125.77(19) pm, b = 559.04(7) pm, c = 910.27(17) pm, β = 107.29(1)°; Sm: a = 1 114.63(31) pm, b = 552.70(12) pm, c = 898.02(20) pm, β = 107.24(2)°; Gd: a = 1 112.12(15) pm, b = 551.22(7) pm, c = 891.99(11) pm, β = 107.09(1)°; Tb (Powder data): a = 1 108.88(20) pm, b = 552.71(9) pm, c = 889.56(16) pm, β = 107.30(1)°; Dy: a = 1 100.28(23) pm, b = 547.77(8) pm, c = 882.41(13) pm, β = 107.32(1); Ho: a = 1 099.11(16) pm, b = 546.16(7) pm, c = 879.45(15) pm, β = 107.34(1)°; Er: a = 1 095.10(16) pm, b = 544.82(10) pm, c = 874.85(14) pm, β = 107.37(1)°.
    Notes: Erstmals dargestellt wurden Fluoride LnF[PtF6] (Ln = Pr, Sm, Gd, Tb, Dy, Ho, Er), alle gelb. Nach Einkristalluntersuchungen kristallisieren diese monoklin in der Raumgruppe P21/n-C2h5 (Nr. 14), Z = 4, Pr: a = 1 125,77(19) pm, b = 559,04(7) pm, c = 910,27(17) pm, β = 107,29(1)°; Sm: a = 1 114,63(31) pm, b = 552,70(12) pm, c = 898,02(20) pm, β = 107,24(2)°; Gd: a = 1 112,12(15) pm, b = 551,22(7) pm, c = 891,99(11) pm, β = 107,09(1)°; Tb (Pulverdaten): a = 1 108,88(20) pm, b = 552,71(9) pm, c = 889,56(16) pm, β = 107,30(1)°; Dy: 1 100,28(23) pm, b = 547,77(8) pm, c = 882,41(13) pm, β = 107,32(1)°; Ho: a = 1 099,11(16) pm, b = 546,16(7) pm, c = 879,45(15) pm, β = 107,34(1)°; Er: a = 1 095,10(16) pm, b = 544,82(10) pm, c = 874,85(14) pm, β = 107,37(1)°. Im Gegensatz zu älteren Befunden liegt die Raumgruppe P21/n-C2h5 (Nr. 14) mit einem verdoppelten Zellvolumen vor.
    Additional Material: 3 Ill.
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  • 2
    ISSN: 0044-2313
    Keywords: Single crystal structure ; Fluorzirkonates ; Fluorstannates ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: On the Crystal Structure of SmZrF7 with an Appendix on EuSnF7 and YSnF7SmZrF7 again was obtained as colourless single crystals and investigated by X-ray methods: It crystallizes in space group P 21/c-C2h5 (Nr. 14; P 21/n) with a = 1 140.9(2) pm, b = 574.6(1) pm, c = 914,4(2) pm, β = 107.32(2)°, Z = 4 but not in space group P 21-C22 (Nr. 4) [1]. In addition EuSnF7 and YSnF7 are isotypic with the following lattice constants: EuSnF7: a = 1 121.8(2) pm, b = 563.7(1) pm, c = 901.7(1) pm, β = 107.35(2)° with Z = 4; YSnF7: a = 1 106.7(2) pm, b = 556.4(1) pm, c = 884.7(1) pm, β = 107.51(1)° and Z = 4 (Powder data).
    Notes: SmZrF7 wurde erneut in Form farbloser Einkristalle dargestellt und röntgenographisch untersucht: Danach kristallisiert es in der Raumgruppe P 21/c-C2h5 (Nr. 14; Aufstellung P 21/n) mit a = 1 140,9(2) pm, b = 574,6(1) pm, c = 914,4(2) pm, β = 107,32(2)°, Z = 4, also nicht in der Raumgruppe P 21-C22 (Nr. 4) [1]. Aufgrund neuer Strukturrechnungen kristallisieren EuSnF7 und YSnF7 ebenfalls in der zentrosymmetrischen Raumgruppe P 21/c-C2h5 (Nr. 14) mit folgenden Gitterkonstanten für EuSnF7: a = 1 121,8(2) pm, b = 563,7(1) pm, c = 901,7(1) pm, β = 107,35(2)° mit Z = 4 sowie für YSnF7 a = 1 106,7(2) pm, b = 556,4(1) pm, c = 884,7(1) pm, β = 107,51(1)° und Z = 4 (Pulverdaten).
    Additional Material: 11 Tab.
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  • 3
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 619 (1993), S. 1426-1430 
    ISSN: 0044-2313
    Keywords: Manganese fluorides ; 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 MnF3 and MnPtF6Single crystal investigations of MnF3 (rubyred) confirmed the crystal structure based on powder data [2]: monoclinic, space group C 2/c-C2h6 (No. 15) with a = 892.02 pm, b = 504.72 pm, c = 1 347.48 pm, β = 92.64° with Z = 12.The corresponding determination of the crystal structure of MnPtF6, yellow, confirmed the unit cell [3] with a = 510.47 pm, c = 1 421.0 pm and γ = 120°, Z = 3 space group R 3-C3i2 (No. 148).For both compounds detailed parameters respectively interatomic distances have been obtained.
    Notes: Einkristalluntersuchungen an MnF3 (rubinrot) bestätigen den aus Pulverdaten [2] abgeleiteten Strukturvorschlag: monoklin, Raumgruppe C 2/c-C2h6 (Nr. 15) mit a = 892,02 pm, b = 504,72 pm, c = 1 347,48 pm, β = 92,64° mit Z = 12 (Vierkreisdiffraktometerdaten).Entsprechende Einkristalluntersuchungen an MnPtF6, hellgelb, bestätigen auch hier die Abmessungen der Elementarzelle [3] mit a = 510,47 pm, c = 1 421,0 pm und γ = 120°, Z = 3 in der Raumgruppe R °3-C3i2 (Nr. 148). Für beide Verbindungen konnten damit genaue Parameter bzw. interatomare Abstände ermittelt werden.
    Additional Material: 2 Ill.
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