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  • iodoplumbate  (2)
  • Functionalized Alkyne Complexes of Tungsten  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Funktionalisierte Alkinkomplexe von Wolfram(VI). Synthese und Kristallstrukturen von [WCl4(Et—Se—C≡C—Se—Et)(THF)] und [WCl4(Et—Te—C≡C—Te—Et)(THF)]Professor Gerhard Fritz zum 75. Geburtstag gewidmet (1995)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 621 (1995), S. 388-392 
    Details
    ISSN: 0044-2313
    Keywords: Functionalized Alkyne Complexes of Tungsten ; Synthesis ; IR spectra ; Crystal Structures ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Functionalized Alkyne Complexes of Tungsten(VI). Syntheses and Crystal Structures of [WCl4(Et—Se—C≡C—Se—Et)(THF)] and [WCl4(Et—Te—C≡C—Te—Et)(THF)]The title compounds have been prepared by reactions of [WCl4(SEt2)2] with the alkynes Et—X—C≡C—X—Et (X = Se, Te) in CCl4 solution and subsequent addition of tetrahydrofurane. Both complexes were characterized by crystal structure determinations.[WCl4(Et—Se—C≡C—Se—Et)(THF)]: Space group P21/n, Z = 4, structure determination with 2942 unique reflections, R = 0.038. Lattice dimensions at 20°C: a = 934.2, b = 1639.5, c = 1189.5 pm, β = 96.497°.[WCl4(Et—Te—C≡C—Te—Et)(THF)]: Space group P21/n, Z = 4, structure determination with 4097 unique reflections, R = 0.067, Lattice dimensions at -70°C: a = 899.2, b = 1691.9, c = 1213.3 pm, β = 96.82°.The complexes have monomeric molecular structures with the oxygen atom of the THF molecules in trans-position to the side-on bound alkyne ligands.
    Notes: Die Titelverbindungen werden aus [WCl4(SEt2)2] und den Alkinen Et—X—C≡C—X—Et (X = Se, Te) in CCl4-Lösung nach Zusatz von Tetrahydrofuran erhalten und durch Kristallstrukturanalysen charakterisiert.[WCl4(Et—Se—C≡C—Se—Et)(THF)]: Raumgruppe P21/n, Z = 4, Strukturverfeinerung mit 2942 unabhängigen Reflexen, R = 0,038. Gitterabmessungen bei 20°C: a = 934,2; b = 1639,5; c = 1189,5 pm, β = 96,497°.[WCl4(Et—Te—C≡C—Te—Et)(THF)]: Raumgruppe P21/n, Z = 4, Strukturverfeinerung mit 4097 unabhängigen Reflexen, R = 0,067. Gitterabmessungen bei -70°C: a = 899,2; b = 1691,9; c = 1213,3 pm, β = 96,82°.Beide Verbindungen haben monomere Molekülstrukturen, in denen sich das O-Atom des THF-Moleküls in trans-Position zum seitlich gebundenen Alkinliganden befindet.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19956210308
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  • 2
    Electronic Resource
    Electronic Resource
    Synthese und Kristallstrukturen kettenförmiger und netzartiger Iodoplumbate (1997)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 623 (1997), S. 259-263 
    Details
    ISSN: 0044-2313
    Keywords: Crystal structures ; iodoplumbate ; polynuclear complexes ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Synthesis and Crystal Structures of Polymeric Iodoplumbate Chains and NetsThe iodoplumbates (Me3N—C3H6—NMe3)3 [Pb3I9]2 (2) and (Me3N—C3H6—NMe3)2 [Pb3I10] (3) or (Me3N—C2H4—NMe3)2 [Pb3I10] (1), respectively, are formed in the reaction of PbI2 with NaI and (Me3N—C3H6—NMe3) (PF6)2 or (Me3N—C2H4—NMe3) (PF6)2 in DMF. The anions of 1 and 2 consist of Pb3I11 units sharing common I atoms to form infinite zigzagchains and nets. The polymeric anions in 3 contain chains of face- and edge-sharing PbI6 octahedra.(Me3N—C2H4—NMe3)2 [Pb3I10] (1): Space group P1 (No. 2), a = 950.66(6), b = 1341.2(1), c = 1899.7(2) pm, α = 103.646(8), β = 90.097(5), γ = 107.733(4)°, V = 2234.8(2) · 106 pm3; (Me3N—C3H6—NMe3)3 [Pb3I9]2 (2): Space group C2/c (No. 15), a = 2679.0(4), b = 950.3(2), c = 3090,0(3) pm, β = 90.84(1)°, V = 7866(2) · 106 pm3; (Me3N—C3H6—NMe3)2 [Pb3I10] (3): Space group C2/c (No. 15), a = 2290.5(4), b = 972.4(2), c = 2335.3(4) pm, β = 115.64(1)°, V = 9678(3) · 106 pm3.
    Notes: Die Iodoplumbate (Me3N—C2H4—NMe3)2[Pb3I10] (1) bzw. (Me3N—C3H6—NMe3)3[Pb3I9]2 (2) und (Me3N—C3H6—NMe3)2[Pb3I10] (3) bilden sich bei der Umsetzung von PbI2 mit NaI und (Me3N—C2H4—NMe3)(PF6)2 oder (Me3N—C3H6—NMe3)(PF6)2 in DMF. In 1 und 2 sind die Anionen aus Pb3I11-Einheiten aufgebaut, die über gemeinsame I-Atome zu polymeren Zickzackketten bzw. Netzen verknüpft sind. Die polymeren Anionen in 3 enhalten dagegen Ketten flächen- und kantenverknüpfter Pbl6-Oktaeder.(Me3N—C2H4—NMe3)2[Pb3I10] (1): Raumgruppe P1 (Nr. 2), a = 950,66(6), b = 1341,2(1), c = 1899,7(2) pm, α = 103,646(8), β = 90,097(5), γ = 107,733(4)°, V = 2234,8(2) ·106 pm3; (Me3N—C3H6—NMe3)3[Pb3I9]2 (2): Raumgruppe C2/c (Nr. 15), a = 2679,0(4), b = 950,3(2), c = 3090,0(3) pm, β = 90,84(1)°, V = 7866(2) · 106 pm3; (Me3N—C3H6—NMe3)2[Pb3I10] (3): Raumgruppe C2/c (Nr. 15), a = 2290,5(4), b = 972,4(2), c = 2335,3(4) pm, β = 115,64(1)°, V = 9678(3) · 106 pm3.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19976230142
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  • 3
    Electronic Resource
    Electronic Resource
    Iodoplumbate mit polymeren Anionen - Synthese und Kristallstrukturen von [Na3(OCMe2)12][Pb4I11(OCMe2)], (Ph4P)2[Pb5I12] und (Ph4P)4[Pb15I34(dmf)6] (1996)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 622 (1996), S. 1781-1787 
    Details
    ISSN: 0044-2313
    Keywords: Crystal structures ; iodoplumbate ; polynuclear complexes ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Iodoplumbates with Polymeric Anions - Synthesis and Crystal Structures of [Na3(OCMe2)12][Pb4I11(OCMe2)], (Ph4P)2[Pb5I12], and (Ph4P)4[Pb15I34(dmf)6]Reactions of PbI2 with NaI in polar organic solvents followed by crystallization with large cations yield iodoplumbate complexes with various compositions and structures. [Na3(OCMe2)12][Pb4I11(OCMe2)] 3, (Ph4P)2[Pb5I12] 4 and (Ph4P)4[Pb15I34(dmf)6] 7 contain one-dimensional infinite anionic chains of face- or edge-sharing PbI6 or PbI5L (L = acetone, DMF) octahedra.[Na3(OCMe2)12][Pb4I11(OCMe2)] 3: Space group P1 (No. 1), a = 1120.3(5), b = 1265.3(6), c = 1608.3(8) pm, α = 74.64(4), β = 70.40(4), γ = 85.24(4)°, V = 2071(2) · 106 pm3;(Ph4P)2[Pb5I12] 4: Space group C2/c (No. 15), a = 787.00(10), b = 2812.0(5), c = 3115.9(5) pm, β = 96.240(13)°, V = 6885(2) · 106 pm3;(Ph4P)4[Pb15I34(dmf)6] 7: Space group P21/n (No. 14), a = 2278.8(4), b = 1782.6(3), c = 2616.8(4) pm, β = 114.432(13)°, V = 9678(3) · 106 pm3.
    Notes: Bei Umsetzungen von PbI2 mit NaI in polaren organischen Lösungsmitteln entstehen Iodoplumbatkomplexe unterschiedlicher Zusammensetzungen und Strukturen, die durch Kristallisation mit großen Kationen isoliert werden können.[Na3(OCMe2)12][Pb4I11(OCMe2)] 3, (Ph4P)2[Pb5I12] 4 und (Ph4P)4[Pb15I34(dmf)6] 7 enthalten eindimensional unendliche Anionen, die aus flächen- bzw. kantenverknüpften PbI6- oder PbI5L-Oktaedern (L = Aceton, DMF) aufgebaut sind.[Na3(OCMe2)12][Pb4I11(OCMe2)] 3: Raumgruppe P1 (Nr. 1), a = 1120,3(5), b = 1265,3(6), c = 1608,3(8) pm, α = 74,64(4), β = 70,40(4), γ = 85,24(4)°, V = 2071(2) · 106 pm3;(Ph4P)2[Pb5I12] 4: Raumgruppe C2/c (Nr. 15), a = 787,00(10), b = 2812,0(5), c = 3115,9(5) pm, β = 96,240(13)°, V = 6885(2) · 106 pm3;(Ph4P)4[Pb15I34(dmf)6] 7: Raumgruppe P21/n (Nr. 14), a = 2278,8(4), b = 1782,6(3), c = 2616,8(4) pm, α = 114,432(13)°, V = 9678(3) · 106 pm3.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19966221024
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