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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 609 (1992), S. 99-102 
    ISSN: 0044-2313
    Keywords: Diphosphete ; crystal structure ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: X-Ray Crystal Structure Determination of 1,3-Bis(diethylamino)-1,3-dibenzyl-2,4-diphenyl-1λ5, 3λ5-diphospheteBenzylidene-diethylamino-benzylfuorophosphorane, 1, reacts with lithium bis(trimethylsilyl)amide to give the title compounds 2 and 1-diethylamino-2,3-diphenylphosphirane, 3. Only one of the stereoisomers of 2 is formed in which the two benzyl groups are located on the same side of the planar four-membered ring. 2 crystallizes in the monoclinic space group P21/n.
    Notes: Benzyliden-diethylamino-benzylfuorphosphoran, 1, reagiert mit Lithium-bis(trimethylsilyl)-amid zur Titelverbindung 2 und 1-Diethylamino-2,3-diphenylphosphiran, 3. Von 2 wird nur das Stereoisomer gebildet, bei dem die beiden Benzylgruppen auf der gleichen Seite des ebenen viergliedrigen Rings angeordnet sind. 2 kristallisiert in der monoklinen Raumgruppe P21/n.
    Additional Material: 2 Ill.
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  • 2
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 619 (1993), S. 1037-1046 
    ISSN: 0044-2313
    Keywords: Nickel ; chromium ; molybdenum ; penicillamine ; complexes ; synthesis ; crystal structure ; antidot ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Penicillamine Complexes of Nickel, Chromium, and Molybdenum  -  Structural Particularity and Biological/Medical RelevanceThe compounds Tl2[NiII(H2O)6][NiII(D-pen)(L-pen)]2[NiII(SCN)2(H2O)4] 1, Tl[NiII(D-pen)2H] · H2O 2, Tl[CrIII(D-pen)2] 3, and Na2[Mo2VO4(pen)2] · 3 CH3OH · 3 H2O 4 have been prepared by the reaction of nickel nitrate (for 1), nickel acetate (for 2), potassium chromate (for 3), and sodium molybdate (for 4) with D- and D, L-penicillamine, respectively. They were characterized by single-crystal X-ray structure analysis and other physical methods. Whereas penicillamine acts as a bidentate (N, S)-ligand in 1 and 2, CrIII (in 3), and MoV (in 4) are coordinated to the three ligand atoms N, O, and S. The presence of three different types of NiII-complexes a cationic, a neutral, and an anionic one in 1 is remarkable.For crystal data see Inhaltsübersicht.
    Notes: Die Verbindungen Tl2[NiII(H2O)6][NiII(D-Pen)(L-Pen)]2[NiII(SCN)2(H2O)4] 1, Tl[NiII(D-Pen)2H] · H2O 2, Tl[CrIII(D-Pen)2] 3 und Na2[Mo2VO4(Pen)2] · 3 CH3OH · 3 H2O 4 wurden durch Umsetzung von Nickelnitrat (für 1), Nickelacetat (für 2), Kaliumchromat (für 3) und Natriummolybdat (für 4) mit D- bzw. D, L-Penicillamin in wäßriger Lösung dargestellt und durch Einkristallstrukturanalyse und andere physikalische Methoden charakterisiert. Während in den Ni-Pen-Komplexen von 1 und 2 Penicillamin als zweizähniger Ligand (N, S) fungiert, sind CrIII in 3 und MoV in 4 über N, O und S koordiniert. Bemerkenswert ist, daß in 1 drei verschiedene Ni-Komplexe und zwar ein kationischer, ein neutraler und ein anionischer in einer Elementarzelle vorliegen.1: C2/m, a = 1 484,6(4), b = 1 358,7(4), c = 1 204,7(3) pm, β = 103,75(2)°, V = 2 360,4(11) ° 106 pm3, R = 0,042 für 1 633 unabhängige Reflexe (Fo〉 4,0σ(Fo)), Z = 2.2: C2, a = 2 279,9(7), b = 613,1(1), c = 1 275,2(3) pm, β = 110,94(2)°, V = 1 664,8(6) · 106 pm3, R = 0,056 für 1 413 unabhängige Reflexe (Fo〉 4,0σ(Fo)), Z = 4.3: C2, a = 2 054,0(3), b = 592,1(1), c = 606,7(1) pm, β = 92,89(1)°, V = 736,95(17) · 106 pm3, R = 0,028 für 862 unabhängige Reflexe (Fo〉 4,0σ(Fo)), Z = 2.4: P1, a = 996,2(4), b = 1 222,2(7), c = 1 395,3(7) pm, = 114,27(4), β = 104,55(4), γ = 95,63(4)°, V = 1 459,4(13) · 106 pm3, R = 0,072 für 3 763 unabhängige Reflexe (Fo〉 4,0σ(Fo)), Z = 2.
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  • 3
    ISSN: 0044-2313
    Keywords: zinc, cadmium, tin, arsenic, antimony, bismuth, cobalt, copper, trithio complexes, perthio complexes, perthiodicarbonate ; synthesis ; crystal structure ; IR spectroscopy ; Raman spectroscopy ; 113Cd and 59Co NMR spectroscopy ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Simple Trithio- and Perthiocarbonato Complexes with Interesting Bond Properties: [E(CS3)2]2- (E = Sn, Zn, Cd), [E(CS3)3]3- (E = As, Sb, Bi, Co), {Cu(CS3)-}∞ and [Zn(CS4)2]2-By reactions of potassium trithiocarbonate (1) with solutions of zinc(II)- acetylacetonate, cadmium(II)-chloride, tin(II)-chloride, arsenic(III)-sulfide (suspension), antimony(III)-chloride, bismuth(III)-chloride and copper(II)-chloride in dimethyl sulfoxide, as well as of trisodium hexanitrito cobaltate(III) in water, and the precipitation of the complexes with an aqueous solution of tetraphenylphosphonium chloride the compounds (PPh4)2[Zn(CS3)2] (2), (PPh4)2[Cd(CS3)2] (3), (PPh4)2[Sn(CS3)2] (4), (PPh4)3[As(CS3)3] (5), (PPh4)3[Sb(CS3)3] (6), (PPh4)3[Bi(CS3)3] (7), (PPh4)3[Co(CS3)3] (8) and (PPh4)Cu(CS3) (9) have been isolated. (PPh4)2[Zn(CS4)2] · CH3NO2 (10) has been prepared by heating a solution of 2 in nitromethane to 60--70°C in presence of air. The reaction of 1 in dimethyl sulfoxide with an aqueous tetraphenylphosphonium chloride solution in presence of oxygen leads to (PPh4)2[C2S6] (11). The compounds have been characterized by spectroscopical studies (IR, Raman, UV/Vis, 113Cd/59Co-NMR), magnetic susceptibility measurements, powder diffractometry, elemental analyses and single crystal X-ray structure analysis (4-7, 10 and 11). The difficult growing of single crystals has been reported in detail. For crystal data see Inhaltsübersicht.
    Notes: Durch Reaktion von Lösungen von Zink(II)-acetylacetonat, Cadmium(II)-chlorid, Zinn(II)-chlorid, Arsen(III)-sulfid (Suspension), Antimon(III)- chlorid, Bismut(III)-chlorid und Kupfer(II)-chlorid in Dimethylsulfoxid - bzw. von Trinatriumhexanitritocobaltat(III) in Wasser - mit Kaliumtrithiocarbonat (1) sowie anschließender Fällung der Komplexe mit wäßriger Tetraphenylphosphoniumchlorid-Lösung wurden die Verbindungen (PPh4)2[Zn(CS3)2] (2), (PPh4)2[Cd(CS3)2] (3), (PPh4)2[Sn(CS3)2] (4), (PPh4)3[As(CS3)3] (5), (PPh4)3[Sb(CS3)3] (6), (PPh4)3[Bi(CS3)3] (7), (PPh4)3[Co(CS3)3] (8) und (PPh4)Cu(CS3) (9) isoliert. (PPh4)2[Zn(CS4)2] · CH3NO2 (10) ließ sich aus einer Lösung von 2 in Nitromethan, die in Gegenwart von Luftsauerstoff auf 60-70°C erwärmt wurde, isolieren. Bei Umsetzung von 1 in Dimethylsulfoxid mit einer wäßrigen Tetraphenylphosphoniumchlorid-Lösung in Gegenwart von Sauerstoff bildete sich (PPh4)2[C2S6] (11). Die Verbindungen wurden durch spektroskopische Methoden (IR, Raman, UV/VIS sowie 113Cd- und 59Co-NMR), Messung der magnetischen Suszeptibilität, Pulverdiffraktometrie, Elementaranalysen und Einkristall-Röntgenstrukturanalyse (4-7, 10 und 11) charakterisiert. Die schwierige Züchtung von Einkristallen wird im Detail beschrieben. 4:P1, a = 969,1(2), b = 1 335,3(3), c = 3 749,9(7) pm, α = 84,54(3)°, β = 80,88(3)°, γ= 74,90(3)°, V = 4 618(2)×106 pm3, Z = 4, R = 0,082 für 7 635 unabhängige Reflexe (Fo 〉 4σ(Fo));5:C2/c, a = 2 236,6(4), b = 1 441,0(3), c = 4 267,7(9) pm, β = 98,59(3)°, V = 13 600(15)×106 pm3, Z = 8, R = 0,130 für 3 807 unabhängige Reflexe (Fo 〉 4σ(Fo));6:P21, a = 1 555,0(9), b = 1 437,1(5), c = 1 587,6(9) pm, β = 90,30(5)°, V = 3 547(3)×106pm3, Z = 2;7:P21, a = 1 559,6(4), b = 1 425,2(4), c = 1 585,1(4) pm, β = 90,05(2)°, V = 3 523(2)×106 pm3, Z = 2, R = 0,088 für 4 206 unabhängige Reflexe (Fo 〉 4σ(Fo));10:C2/c, a = 1 049,1(4), b = 2 023,9(9), c = 2 474,7(9) pm, β = 99,93(3)°, V = 5 176(3)×106 pm3, Z = 4, R = 0,079 für 2 172 unabhängige Reflexe (Fo 〉 4σ(Fo));11:P21/c, a = 1 673,0(5), b = 1 430,8(5), c = 1 859,1(5) pm, β = 94,12(2)°, V = 4 439(2)×106 pm3, Z = 4, R = 0,086 für 4 014 unabhängige Reflexe (Fo 〉 4σ(Fo)).
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  • 4
    ISSN: 0044-2313
    Keywords: Nickel ; Schiff base complexes ; synthesis ; crystal structure ; hydrogenase ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Green Bis-(2-iminoisopropyl-thiophenolato)nickel(II) and other Similar NiII ComplexesThe compounds [NiII(iitp)2] 1 (iitp = 2-iminoisopropyl-thiophenolate), [Ni2II(imptp)2] · 2 CH3OH 2, a dinuclear compound with an Ni—Ni distance of 276 pm, and [PPh4] · [NiII(imptp)(SCN)] 3 (imptp = 2-(2-iminopentane-4-on)-thiophenolate) have been prepared by the reaction of nickel(II)-acetate-tetrahydrate with 2-iminoisopropyl-thiophenole and 2-(2-iminopentane-4-on)-thiophenole in methanol, respectively. They have been characterized by single-crystal X-ray structure analysis and other physical methods. The redox behaviour of 1-3 has been studied in detail (chemically as well as by cyclovoltammetry and ESR spectroscopy). Particularly interesting are the electronic properties of 1 and its reduction with NaBH4 and the following reaction of the product with O2. The complexes are model compounds for some Ni-containing enzymes. For details of the crystal structure determination see “Inhaltsübersicht”.
    Notes: Die Verbindungen [NiII(iitp)2] 1 (iitp = 2-Iminoisopropyl-thiophenolat), [Ni2II(imptp)2] · 2 CH3OH 2, eine Zweikernverbindung mit einem Ni—Ni-Abstand von 276 pm und [PPh4][NiII(imptp)(SCN)] 3 (imptp = 2-(2-Iminopentan-4-on)-thiophenolat) wurden durch Umsetzung von Nickel(II)-acetat-tetrahydrat mit 2-Iminoisopropyl-thiophenol bzw. 2-(2-Iminopentan-4-on)-thiophenol in Methanol dargestellt und durch Einkristallstrukturanalyse und andere physikalische Methoden charakterisiert. Das Redoxverhalten der Verbindungen 1-3 wurde mittels elektrochemischer, chemischer und spektroskopischer Methoden untersucht. Bemerkenswert sind die elektronischen Eigenschaften der grünen Verbindung 1, sowie ihre Reduktion mit NaBH4 und die darauffolgende Umsetzung des Reaktionsproduktes mit O2. Die Verbindungen besitzen Modellcharakter für einige Ni-haltige Enzyme.1: C2/c, a = 1298,3(2); b = 695,7(1); c = 1958,7(3) pm; β = 103,92(1)°; V = 1717,4(5) · 106 pm3; R = 0,035 für 1230 unabhängige Reflexe (Fo 〉 4σ(Fo)), Z = 4.2: P1, a = 947,9(2); b = 1229,5(3); c = 1254,7(3) pm; α = 67,28(2), β = 74,63(2), γ = 81,18(2)°; V = 1298,4(5) · 106 pm3; R = 0,082 für 3655 unabhängige Reflexe (Fo 〉 4σ(Fo)), Z = 2.3: P21, a = 1119,3(2); b = 2389,7(4); c = 1245,8(2) pm; β = 102,52(1)°; V = 3253,0(9) · 106 pm3; R = 0,051 für 4218 unabhängige Reflexe (Fo 〉 4σ(Fo)), Z = 4.
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  • 5
    ISSN: 0044-2313
    Keywords: Oxothioperrhenate ions, ReO2S2-, ReOS3- ; preparation ; crystal structure ; IR, UV/Vis spectra ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: (PPh4)[(ReO2S2)CuI] and (NEt4)2[ReOS3)Cu3Cl4]: Fixation of the up to now not Isolated Ions [ReO2S2]- and [ReOS3]- Utilizing the Stability of the CuS2(Re) and Cu3S3(Re) Fragments(PPh4)[(ReO2S2)CuI] (1) and (NEt4)2[ReOS3)Cu3Cl4] (2) containing the up to now not isolated oxothioperrhenate ions [ReO2S2]- and [ReOS3]- as ligands, have been prepared by the reaction of (NEt4)[ReS4] with PPh3 and CuI in acetone in the presence of (PPh4)I ((1)) or with CuCl in CH2Cl2 in the presence of (NEt4)Cl ((2)), respectively. 1 and 2 have been characterized by X-ray structure analysis, elemental analysis and spectroscopic studies (IR, UV/Vis). The electronic spectra show bands which can approximately be assigned to interesting low-energy charge-transfer-transitions of the type d(Cu) → d(Re).For crystal data see Inhaltsübersicht.
    Notes: (PPh4)[(ReO2S2)CuI] (1) und (NEt4)2[(ReOS3)Cu3Cl4] (2), die die bisher nicht isolierten Oxothioperrhenat-Ionen [ReO2S2]- und [ReOS3]- als Liganden enthalten, wurden durch Reaktion von (NEt4)[ReS4] mit PPh3 und CuI in Aceton in Gegenwart von (PPh4)I ((1) bzw. entsprechend mit CuCl in CH2Cl2 in Gegenwart von (NEt4)Cl ((2) erhalten. 1 und 2 wurden durch Einkristall-Röntgenstrukturanalyse, Elementaranalyse, sowie spektroskopische Untersuchungen (IR, UV/Vis) charakterisiert. In den Elektronenspektren findet man Banden, die interessanten niederenergetischen Charge-Transfer-Übergängen des Typs d(Cu) → d(Re) näherungsweise zugeordnet werden können.Kristalldaten: 1P21/n, a = 1162,2(4), b = 1395,7(6), c = 1612,3(9)pm, β = 96,53(4)° V = 2598(2) · 106pm3, R = 0,049 für 4623 unabhängige Reflexe (F0≥4,0σ(F0)).2C2/c, a = 2059,0(5), b = 1352,9(3), c = 2217,1(5)pm, β = 90,26(22)° V = 6176(2) · 106pm3, R = 0,080 für 3162 unabhängige Reflexe (F0≥4,0σ(F0)).
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