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  • 1
    Electronic Resource
    Electronic Resource
    Bis(triethanolamine-N,O,O′)zinc(II) disaccharinate (2001)
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 57 (2001), S. m600-m602 
    Details
    ISSN: 1600-5368
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Notes: The structure of the title complex, [Zn(C6H15NO3)2](C7H4NO3S)2, consists of a complex cation and two saccharinate (sac) anions. In the complex cation, the zinc(II) ion is octahedrally coordinated by two tridentate (N,O,O′) triethanolamine (tea) ligands with a facial distribution. Two ethanol groups of each tea ligand form two five-membered chelate rings around the zinc(II) ion, while the third ethanol group remains uncoordinated. In addition to weak π–π interactions between the phenyl rings of neighbouring sac ions, H atoms of free and coordinated hydroxyl groups are involved in hydrogen bonding with amine N, carbonyl O and sulfonyl O atoms of the adjacent sac ions, forming a three-dimensional network.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S1600536801019857
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  • 2
    Electronic Resource
    Electronic Resource
    trans-Bis(diethanolamine)bis(isothiocyanato)nickel(II) (2000)
    Oxford [u.a.] : International Union of Crystallography (IUCr)
    Acta crystallographica 56 (2000), S. 948-949 
    Details
    ISSN: 1600-5759
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Notes: In the neutral title complex, trans-bis(2,2′-iminodiethanol-N,O)bis(isothiocyanato)nickel(II), [Ni(NCS)2(C4H11NO2)2], the isothiocyanate ions and the diethanolamine molecules act as monodentate and bidentate ligands, respectively. The NiII ion exhibits a distorted octahedral configuration with crystallographically imposed inversion symmetry and NNCS—Ni—Namine and NNCS—Ni—Oamine bond angles of 88.78 (10) and 89.44 (10)°, respectively. The Ni—N bond distances are in the range 2.069 (3)–2.096 (2) Å. The molecules are linked by hydrogen bonds to form a three-dimensional infinite lattice.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0108270100007289
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  • 3
    Electronic Resource
    Electronic Resource
    The Reaction of Potassium Polyselenides with [CpW(CO)3Cl] in DMF - Formation and Crystal Structure of [CpW(CO)3SeC(O)NMe2] and {[CpW(CO)3]2Se4} (1998)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 1998 (1998), S. 397-400 
    Details
    ISSN: 1434-1948
    Keywords: Polychalcogenides ; Selenium ; Selenocarbamato complexes ; 77Se NMR ; Crystal structure ; Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The reactions of the potassium polyselenides „K2Se6” and „K2Se8” with [CpW(CO)3Cl] and 18-crown-6 in DMF lead to a mixture of the selenido complexes {[CpW(CO)3]2Se4} 1 and [(18-crown-6)K]+[CpW(Se4)2]- 3 and the Se-bonded selenocarbamato complex [CpW(CO)3SeC(O)NMe2] 2 in yields depending on the selenium content of the used potassium polyselenides („K2Se6” or „K2Se8”). A similar reaction in THF produces {[CpW(CO)3]2Se4} as the main product. X-ray structures of 1 and 2 were determined. In 1 the Se4-chain is bonded in a μ2-η1 fashion, with corresponding W-Se bond lengths of 264.0(1) and 264.3(1) pm. The Se-Se bond lengths lie in the range 232 to 237 pm. The first example of an η1 Se-bonded selenocarbamato ligand is observed in the crystal structure of 2, with a W-Se bond length of 263.1(1) pm. The 77Se-NMR data are compared with the corresponding data of related complexes.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Koordinationsverhalten organometallischer Selenolato-Komplexe. Die Kristallstrukturen von [cp(CO)3W(μ-SeCH2Ph)W(CO)5], [cp(CO)3W(μ-SeCH2Ph)Cr(CO)5], [cp(CO)3W(μ-SeCH2Ph)Fe(CO)2cp]+ClO4- und [cp(CO)3W(μ-SeCH2SiMe3)AuPPh3]+SbF6-Professor Joachim Strähle zum 60. Geburtstag gewidmet (1997)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 623 (1997), S. 735-741 
    Details
    ISSN: 0044-2313
    Keywords: Mononuclcar scfonolato tungsten complexes ; binuclear selenolato complexes ; 77Se-NMR ; x-ray structure ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Complexing Properties of Organometallic Selenolato Complexes. The Crystal Structures of [cp(CO)3W(μ-SeCH2Ph)W(CO)5], [cp(CO)3W(μ-SeCH2Ph)Cr(CO)5], [cp(CO)3W(μ-SeCH2Ph)Fe(CO)2cp]+ClO4-, and [cp(CO)3W(μ-SeCH2SiMe3)AuPPh3]+SbF6-The reaction of the selenolato tungsten complexes cp(CO)3WSeR; R = CH2Ph, CH2SeSiMe3, with the unsaturated complexes M(CO)5(THF); M = Cr, W or the complex cations Ph3PAu+ and cp′(CO)2Fe+; cp′ = C5H5, C5Me5, forms binuclear complexes, in which selenium possesses a formal positive charge. The crystal structures of the compounds 1, 2, 4 und 8 were determined by X-ray single crystal structure analysis (1: space group P212121 (Nr. 19), Z = 16, a = 1744.5(3) pm b = 2079.5(3) pm, c = 2435.7(5) pm; 2: space group P1 (Nr. 2), Z = 8, a = 1318.94(14) pm, b = 1732.5(2) pm, c = 2119.9(2) pm, = 89.805(10)°, β = 86.586(10)°, γ = 68.731(10)°; 4: space group P1 (Nr. 2), Z - 2, a = 828.0(5) pm, b = 1027.4(5) pm, c = 1510.8(9) pm, α = 109.84(3)°, β = 99.45(4)°, γ = 91,43(3)°; 8: space group P1 (Nr. 2), Z = 4, a = 1325.7(2)pm, b = 1663.1(3) pm, c = 1925.2(3)pm, α = 95.869(14)°, β = 103.091(12)°, γ = 112.871(10)°).
    Notes: Bei der Umsetzung der Selenolato-Wolfram-Komplexe cp(CO)3WSeR; R = CH2Ph, CH2SiMe3, mit den ungesättigten Komplexfragmenten M(CO)5(THF); M = Cr, W, bzw. den Komplexkationen Ph3PAu+ und cp′(CO)2Fe+; cp′ = C5H5, C5Me5, entstehen zweikernige Komplexe, in denen das Selenatom eine positive Ladung bzw. Partialladung trägt. Dabei konnten folgende Verbindungen charakterisiert werden: [cp(CO)3W(μ-SeCH2Ph)Cr(CO)5] (1), [cp(CO)3W(μ-SeCH2Ph)W(CO)5] (2), [cP(CO)3W(μ-p C6H4{CH2SeCr(CO)5}2)W(CO) 3cp] (3), [cp(CO)3W(μ-SeCH2Ph)Fe(CO)2cp]+ClO 4-, (4), [cp(CO)3W(μ-SeCH2Ph)Fe(CO)2cp*]+ClO4-, (5) [cp(CO)3W(μ-SeCH2Ph)AuPPh3]+SbF6- (6), [cp(CO)3W(μ-SeCH2Ph)AuPPh3]+ClO4- (7) und [cp(CO)3W(μ-SeCH2SiMe3)AuPPh3]+SbF6- (8). Die Strukturen der Verbindungen 1, 2, 4 und 8 konnten durch Einkristall-Röntgenstrukturanalyse aufgeklärt werden (1: Raumgruppe P212121 (Nr. 19), Z = 16, a = 1744,5(3) pm, b = 2079,5(3) pm, c = 2435.7(5) pm; 2: Raumgruppe P1 (Nr. 2), Z = 8, a = 1318,94(14) pm, b = 1732,5(2) pm, c = 2119,9(2) pm, α = 89,805(10)°, β = 86,586(10)°, γ = 68,731(10)°; 4: Raumgruppe P1 (Nr. 2), Z = 2, a = 828,0(5) pm, b = 1027,4(5) pm, c = 1510,8(9) pm, α = 109,84(3)°, β = 99,45(4)°, γ = 91,43(3)°; 8: Raumgruppe P1 (Nr. 2), Z = 4, a = 1325,7(2) pm, b = 1663,1(3) pm, c = 1925,2(3) pm, α = 95,869(14)°, β = 103,091(12)°, γ = 112,871(10)°).
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.199762301116
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  • 5
    Electronic Resource
    Electronic Resource
    Gold Complexes with Selenium Ligands, IV(1) Preparation, Crystal Structures and Reactions of Phosphine(selenourea)gold(I) Complexes (1991)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 124 (1991), S. 2725-2729 
    Details
    ISSN: 0009-2940
    Keywords: Gold complexes ; Selenium ligands ; Hydrogen bonding ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: (Triphenylphosphine)(selenourea)gold(I) chloride [Ph3PAuSeC- (NH2)2]+ Cl- (1) and the corresponding dppm derivative dppm[AuSeC(NH2)2]22+ 2l- (2) are prepared from SeC- (NH2)2 and the appropriate chloro(phosphine)gold(I) complex. The reaction between 1 and aqueous Na2CO3 leads to the neutral complex μ-selenido{bis[(triphenylphosphine)gold(I)]} (Ph3PAu)2Se (3). An analogous reaction with 2 leads to a dark red oil, which has not yet been characterized. The reaction between 3, Ph3PAuCl, and AgSbF6 leads to the ionic complex [(Ph3PAu)3Se]+SbF6- (4) in good yield. X-ray structure analyses of 1,2, and 3 confirm the expected linear geometry at the gold atom and reveal short intramolecular Au - Au contacts for 2 and 3. Short nonbonding distances between the nitrogen atoms of the amino groups and the chloride ions in the crystal structures of 1 and 2 probably indicate hydrogen bonds.
    Additional Material: 4 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19911241213
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  • 6
    Electronic Resource
    Electronic Resource
    Gold complexes with selenium ligands, I. Preparation and crystal structures of phenylselenolato-gold(I) complexes (1990)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 123 (1990), S. 1975-1978 
    Details
    ISSN: 0009-2940
    Keywords: Gold complexes ; Selenium ligands ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: (Triphenylphosphine)phenylselenolatogold(I), Ph3PAuSePh (1), and the corresponding dppm derivative, [(dppm)(AuSePh)2] (3), are prepared from Me3SiSePh and the appropriate (phosphine)chlorogold(I) complex. The reaction between Ph3PAuCl, Ph2Se2 and AgSbF6 leads to the salt [(Ph3PAu)2SePh]+SbF-6 (2), with a bridging PhSe ligand. X-ray structure analyses of 1 and 2 confirm the expected linear geometry at gold and reveal short Au-Au contacts; both compounds may thus be regarded as loose dimers.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19901231008
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  • 7
    Electronic Resource
    Electronic Resource
    Polysulfonylamine. LXXX [1]. Darstellung und Kristallstrukturen einiger Gold(I)-Komplexe mit Disulfonylamid-LigandenProfessor Joachim Strähle zum 60. Geburtstag gewidmet (1997)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 623 (1997), S. 775-779 
    Details
    ISSN: 0044-2313
    Keywords: Gold(I) ; polysulfonylamide ; metal complex ; X-ray structure ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Polysulfonylamines. LXXX [1]. Synthesis and Crystal Structures of Gold(I) Complexes with Disulfonylamide LigandsComplexes of the type Ph3PAuL (L = disulfonylamide ligand) can be conveniently prepared from Ph3PAuX (X = halide) and the corresponding silver disulfonylamide. Crystal structure determinations of four such complexes show the following common features: (i)The coordination at gold is linear; (ii)no short intermolecular contacts are observed; (iii)the gold atoms display two intramolecular Au … O contacts to L; (iv)the S-N bond lengths correspond to bond orders of ca. 1.4.
    Notes: Komplexe der Form Ph3PAuL (L = Disulfonylamid-Ligand) lassen sich bequem aus Ph3PAuX (X = Halogenid) und dem entsprechenden Silber-Disulfonylamid synthetisieren. Kristallstrukturbestimmungen von vier solchen Komplexen zeigen folgende gemeinsame Merkmale: (i) Die Koordination am Gold-Zentrum ist linear; (ii) keine kurzen intermolekulare Kontakte werden beobachtet; (iii) es gibt kurze intramolekulare Kontakte zwischen Gold und je zwei Sauerstoffatomen von L; (iv) die S-N-Bindungslängen entsprechen einem Bindungsgrad von ca. 1,4.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.199762301122
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