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  • Inorganic Chemistry  (10)
  • Iron complexes
  • 1990-1994  (10)
  • 1940-1944
  • 1930-1934
  • 1992  (10)
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  • 1990-1994  (10)
  • 1940-1944
  • 1930-1934
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  • 1
    Electronic Resource
    Electronic Resource
    Kohlenwasserstoffverbrückte Komplexe, XXV[1] C-C-Kupplung von anionischen Tricarbonylmangan-Komplexen cyclischer Polyene mit kationischen Tropylium-Metallverbindungen; Darstellung und Struktur von (OC)3Mn(μ-η5:η6-C7H8-C7H7)M(CO)3, (OC)3Mn(μ-η5:η6-C8H10-C7H7)M(CO)3 und (OC)3Mn(μ-η5:η6-C8H8-C7H7)M(CO)3(M = Cr, Mo, W)Herrn Professor Anton Meller zum 60. Geburtstag gewidmet. (1992)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 125 (1992), S. 1369-1373 
    Details
    ISSN: 0009-2940
    Keywords: Manganese complexes ; Chromium complexes ; Molybdenum complexes ; Tungsten complexes ; Cycloheptatriene ; Cyclooctatriene ; Cyclooctatetraene ; Hydrocarbon-bridged complexes ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Hydrocarbon-Bridged Complexes, XXV[1]. - C-C Coupling of Anionic Tricarbonyl Manganese Complexes of Cyclic Polyenes with Cationic Tropylium Metal Compounds; Preparation and Structure of (OC)3Mn(μ-η5:η6-C7H8-C7H7)M(CO)3, (OC)3Mn(μ-η5:η6-C8H10-C7H7)M(CO)3, and (OC)3Mn(μ-η5:η5-C8H8-C7H7)M(CO)3 (M = Cr, Mo, W)The addition of the anionic complexes [(η4-C7H8)Mn(CO)3]-, [(η4-C8H10)Mn(CO)3]- and [(η4-C8H8)Mn(CO)3]- to the cations [(η7-C7H7)M(CO)3]+ (M = Cr, Mo, W) gives the hydrocarbon-bridged complexes (OC)3Mn(μ-η5:η6-C7H8-C7H7)M(CO)3, (OC)3Mn(μ-η5:η6-C8H10-C7H7)M(CO)3, and (OC)3Mn(μ-η5:η6-C8H8-C7H7)M(CO)3 (M = Cr, Mo, W). The structures of 4b and 6a have been determined by X-ray diffraction.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19921250610
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  • 2
    Electronic Resource
    Electronic Resource
    Kristallstruktur, Festkörperpolymerisation und Ionenleitung in Alkalisalzen ungesättigter Carbonsäuren, 2[1] Untersuchungen an Lithiummethacrylat und Lithiummethacrylattritonmethanolat (1992)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 125 (1992), S. 613-616 
    Details
    ISSN: 0009-2940
    Keywords: Methacrylate, lithium salts ; Polymerization, solid-state ; Conductivity, ionic ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Crystal Structure, Solid-State Polymerization, and Ionic Conductivity of Alkali Salts of Unsaturated Carboxylic Acids, 2[1].  -  Investigations on Lithium Methacrylate and Lithium Methacrylate TritonmethanolateThe structures of lithium methacrylate C4H5O2Li (1) and the corresponding lithium methacrylate tritonmethanolate C4H5O2Li · 1/3 CH3OH (2) have been determined by singlecrystal X-ray diffraction. Compound 1 is built up by inorganic layers - a two-dimensional network of corner- and edge-shared LiO4 tetrahedra - and organic double layers with a hydrophobic interaction of zipper-like arranged methacrylate groups. The crystal structure of compound 2 can also be envisaged as a layered structure where „inorganic” and „organic” blocks alternate. Here edge- and cornershared LiO4 tetrahedra extend in zig-zag chains along [010] which are bridged by carboxyl groups. The compound is an ionic conductor. - In both compounds the distances between the functional groups are too large for a diffusionless topochemical polymerisation. Polymerisation takes place thermally between 200 and 290°C. It can also be induced by UV irradiation in the presence of benzoin.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19921250312
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  • 3
    Electronic Resource
    Electronic Resource
    Metallkomplexe von Farbstoffen  -  Übergangsmetall-Komplexe mit 2-(1,3-Dioxo-2-indanyliden)benzimidazolinen (1992)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 125 (1992), S. 61-66 
    Details
    ISSN: 0009-2940
    Keywords: Benzimidazoline, 2-(1,3-dioxo-2-indanylidene)-, as chelate ligand ; Copper complexes ; Nickel complexes ; Palladium complexes ; Platinum complexes ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Metal Complexes of Dyes  -  Transition Metal Complexes of Mono- and Dianions of 2-(1,3-Dioxo-2-indanylidene)-benzimidazolines2-(1,3-Dioxo-2-indanylidene)benzimidazolines (L) (1 - 6) react with metal salts and chloro-bridged complexes in the presence of NaH to give the mono and bis-N,O-chelate complexes (L  -  H+)2M (M=Cu, Pd, Ni) (7 - 9), (L  -  H+)M(PR3)Cl (M=Pd, Pt; 10 - 15 and (L  -  2H+)[Pt(PEt3)Cl]2 (16, 17). The electronic spectra of the bis(chelate) complexes show a large bathochromic shift of the absorptions in the visible region as compared to the free ligands. The structures of (L  -  H+)Pd(Cl)-(PnBu3) (10) and of (L  -  2H+)[Pt(Cl)PEt3)]2 (16) have been determined by X-ray crystallography. The two heterocyclic planes in 16 are bent along the elongated central C=C bond [143.2(12)pm] which gives a hip-roof-like structure.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19921250111
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  • 4
    Electronic Resource
    Electronic Resource
    Kristallstruktur, Festkörperpolymerisation und Ionenleitung in Alkalisalzen ungesättigter Carbonsäuren, 1. Untersuchungen an wasserfreiem Lithiumacrylat, Lithiumacrylat-tetartoshydrat und -hektonmethanolat (1992)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 125 (1992), S. 331-336 
    Details
    ISSN: 0009-2940
    Keywords: Acrylate, lithium salts ; Polymerization solid-state ; Conductivity, ionic ; Calculations, AM1, MNDO ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Crystal Structure, Solid-State Polymerization and Ionic Conductivity of Alkali Salts of Unsaturated Carboxylic Acids, 1.  -  Investigations on Lithium Acrylate, Lithium Acrylate Tetartoshydrate and Lithium Acrylate HektonmethanolateThe structures of lithium acrylate tetartoshydrate C3H3LiO2 · 1/4 H2O (1) and the corresponding hektonmethanolate C3H3LiO2 · 1/6 CH3OH (2) have been determined by single-crystal X-ray diffraction. They both consist of a framework of corner- and edge-shared LiO4 tetrahedra. The vinyl groups extend into channels running through the inorganic framework in all three main directions, where they are stacked in a zipper-like manner. However, the distances between these functional groups are too large for a diffusionless topochemical polymerization. Polymerization takes place thermally at temperatures between 180 and 280°C after loss of solvate molecules. The amorphous polymer is an ionic conductor above 238 °C with an activation energy of 0.57 eV.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19921250209
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  • 5
    Electronic Resource
    Electronic Resource
    Metallkomplexe von Farbstoffen, III. Übergangsmetall-Komplexe mit Pyrrolindigo (1992)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 125 (1992), S. 2347-2350 
    Details
    ISSN: 0009-2940
    Keywords: Indigo, octahydro- ; Pyrrole indigo, 4,4′-dibutyl-5,5′-dimethyl- ; Zinc complexes ; Copper complexes ; Rhodium complexes ; Iridium complexes ; Palladium complexes ; Platinum complexes ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Metal Complexes of Dyes, III[1,2]. - Transition Metal Complexes of Pyrrole Indigo The dianions of octahydroindigo and 4,4′-dibutyl-5,5′-dimethylpyrrole indigo (L) react with metal salts and chloro-bridged complexes [(μ-Cl)M(Cl)PR3]2 (M = Pd, Pt; R = nBu, Et), [(μ-Cl)M(Cl)(η5-C5Me5)]2 (M = Rh, Ir) to give the bis-N,O chelate complexes [M(L - 2H+)]n (M = Cu, Zn), (L - 2H+)[M(Cl)(PR3)]2 (M = Pd, Pt), and (L - 2H+)[M(Cl)(η5-C5Me5)]2 (M = Rh, Ir). The electronic spectra of the soluble complexes with phosphane or C5Me5 ligands show a large bathochromic shift of the absorptions in the visible region compared to the free neutral ligands which is in accordance with PPP calculations of model compounds.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19921251103
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  • 6
    Electronic Resource
    Electronic Resource
    Zur Neuuntersuchung des Phasendiagramms InI - SnI2 (1992)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 608 (1992), S. 115-118 
    Details
    ISSN: 0044-2313
    Keywords: Phase diagram InI - SnI2 ; indium tin iodide compounds ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Redetermination of the Phase Diagram InI - SnI2The phase diagram of the system InI - SnI2 was redetermined with DTA and X-ray methods. We found that the compound given in the literature by the formula In4SnI6 is not formed. Instead of this a phase with lower InI content and having the composition In3SnI5 could be established, which crystallizes in three different low temperature polymorphs. This compound transforms to yet another, high temperature polymorph to 247°C. Additionally a ternary compound with the formula Insn2I5 could be observed in the system InI - SnI2, which has the tetragonal NH4Pb2Br5 structure.
    Notes: Das Phasendiagramm des Systems InI - SnI2 wurde mit differenzthermoanalytischen und röntgenographischen Methoden erneut untersucht. Die Existenz einer 4 :1-Verbindung der Formel In4SnI6 konnte nicht bestätigt werden. Statt dessen wurde die Bildung einer Verbindung der Zusammensetzung In3SnI5 nachgewiesen, die in drei unterschiedlichen Tieftemperaturmodifikationen kristallisiert. Diese Verbindung zeigt bei 247°C eine polymorphe Phasenumwandlung und geht dabei in eine vierte, Hochtemperaturmodifikation über. Weiterhin kann im System InI - SnI2 die Bildung einer Verbindung der Formel InSn2I5 beobachtet werden, die im tetragonalen NH4Pb2Br5-Strukturtyp kristallisiert.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19926080216
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  • 7
    Electronic Resource
    Electronic Resource
    Pseudohalogeno-Metallverbindungen. LXXV. Pentacarbonylrhenium-und Triphenylphosphangold-Komplexe mit Pseudohalogeniden: (OC)5ReX, Ph3PAuX (X = ONC(CN)2, o-MeC6H4SO2C(CN)2,o-MeC6H4SO2NCN, Ph2(S)PNCN) (1992)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 617 (1992), S. 110-116 
    Details
    ISSN: 0044-2313
    Keywords: Pentacarbonylrhenium Complexes ; Nitrosodicyanmethanide ; o-Tosyldicyanmethanide ; o-Tosylcyanamide ; Diphenylthiophosphorylcyanamide ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Pseudohalogeno Metal Compounds. LXXV. Pentacarbonylrhenium and Triphenylphosphinegold Complexes of Pseudohalide Anions: (OC)5ReX, Ph3PAuX (x = ONC(CN)2, o-MeC6H4SO2C(CN)2, o-MeC6H4SO2NCN, Ph2(S)PNCN)The pseudohalides (X-) nitrosodicyanmethanide, o-tosyldicyanmethanide, o-tosylcyanamide and diphenylthiophosphinylcyanamide react with the Organometallic Lewis Acids (OC)5Re+ (as (OC)5ReFBF3) and Ph3PAu+ (as Ph3PAuNO3) to give the neutral title complexes (OC)5Re - X and Ph3PAu—X, respectively. X-ray diffraction shows that nitroso-dicyanmethanide is coordinated through the nitroso N-atom to the Re(CO)5 fragment. Cyanide-N-coordination is observed for the complexes with o-tosyldicyanmethanide and o-tosylcyanamide whereas diphenylthiophosphinylcyanamide is S-coordinated to the gold atom. Spectroscopic data (IR, NMR) of 1-6 are described.
    Notes: Die Pseudohalogenide (X-) Nitrosodicyanmethanid, o-Tsyldicyanmethanid, o-Tosylcyanamid und Diphenylthiophosphinylcyanamid setzen sich mit den „Metallorganischen Lewis-Säuren“ (OC)5Re+(als (OC)5ReFBF3) und Ph3PAu+ (als ph3PAuNO3) zu den nautralen Titel-Komplexen (OC)5Re - X bzw. Ph3PAu—X um. Nach der Röntgenstrukturanalyse sind Nitrosodicyanmethanid über das Nitroso-N-Atom an das Re(CO)5-Fragment, o-Tosyl-dicyanmethanid und o-Tosyl-cyanamid über ein Cyanid-N-Atom an die Ph3PAu-bzw. (CO)5Re-Gruppe gebunden. Diphenylthiophosphinylcyanamid ist dagegen über das Schwefel-Atom an das Gold-Atom koordiniert. Die spektroskopischen Daten (IR, NMR) von 1-6 werden beschrieben.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19926170119
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  • 8
    Electronic Resource
    Electronic Resource
    Pseudoelementverbindungen. I. Zum Koordinationsverhalten von Diphenyl-cyanamido-thiophosphinat (1992)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 617 (1992), S. 117-122 
    Details
    ISSN: 0044-2313
    Keywords: Cyanamido-thiophosphinate ; nickel(II) pseudohalide Complexes ; tetrapyridino-bis(diphenyl-cyanamido-thiophosphinato)-nickel(II) ; structure ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Pseudoelement Compounds. I. Coordination Behaviour of Diphenyl-cyanamido-thiophosphinateThe synthesis of the cyanamido-thiophosphinate-nickel(II) complexes NipynX2 (X = Ph2P(S)NCN, n = 0, 2, 4) is reported and the i.r. and u.v. spectra of these compounds are discussed. The single crystal X-ray analysis of the tetrapyridine complex shows that the anionic ligand is coordinated via the cyano-nitrogen atom. With a bond angle N(1)—C(1)—N(2) of 175.4(3)° the NCN group is nearly linear. The bond distances N(1)—C(1) and C(1)—N(2) are asymmetric and typical of NC double and triple bonds.
    Notes: Die Synthese von Cyanamido-thiophosphinat-nickel(II)-Komplexen NipynX2 (X = Ph2P(S)NCN, n = 0, 2, 4) wird beschrieben und die IR- und UV-Spektren dieser Verbindungen werden diskutiert. Die Einkristall-Röntgenstrukturanalyse des Tetrapyridin-Komplexes zeigt, daß der anionische Ligand über das Cyano-Stickstoff-Atom koordiniert ist. Die NCN-Gruppe ist mit einem Winkel N(1)—C(1)—N(2) von 175,4(3)° nahezu linear. Die Bindungsabstände N(1)—C(1) und C(1)—N(2) sind asymmetrisch und typisch für NC-Doppel-bzw. Dreifachbindungen.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19926170120
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  • 9
    Electronic Resource
    Electronic Resource
    Zur Neuuntersuchung des Phasendiagramms TlI - SnI2 (1992)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 608 (1992), S. 119-122 
    Details
    ISSN: 0044-2313
    Keywords: Phase diagram TlI - SnI2 ; thallium tin iodides ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Redetermination of the Phase Diagram TlI - SnI2A reinvestigation of the phase diagram TlI - SnI2 revealed the existence of a not yet known ternary 4 : 1 compound of the formula Tl4SnI6, which decomposes peritectoidally at 229°C. The congruent melting points of the other three ternary compounds in the system, Tl3SnI5, TlSnI3, and TlSn2I5, at 329°C, 292°C and 307°C, respectively, agreed well with former specifications. However the polymorphic transitions of the compounds Tl3SnI5 and TlSn2I5 described by other authors could not be verified.
    Notes: Die Neuuntersuchung des Phasendiagramms TlI - SnI2 mit differenzthermoanalytischen und röntgenographischen Methoden ergab die Bildung einer bisher nicht bekannten ternären Phase der Formel Tl4SnI6, die sich peritektoid bei 229°C zersetzt. Die kongruenten Schmelzpunkte der anderen drei auftretenden Verbindungen, Tl3SnI5, TlSnI3 und TiSn2I5, Stimmten mit 329°C und 307°C recht gut mit älteren Angaben überein. Jedoch konnten die von anderen Autoren gefundenen polymorphen Phasenumwandlungen der Verbindungen Tl3SnI5 nicht bestätigt werden.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19926080217
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  • 10
    Electronic Resource
    Electronic Resource
    Pseudoelementverbindungen. IIIPseudoelementverbindungen II: L. Jäger, H.-D. Schädler, U. Grobe, V. I. Nefedov, H. Köhler, Z. anorg. allg. Chem. (1992). Kristallstruktur von N-Diphenylthiophosphinyl-N′-trimethylstannyl-carbodiimid (1992)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 618 (1992), S. 158-162 
    Details
    ISSN: 0044-2313
    Keywords: Thiophosphinyl ; Trimethylstannyl ; Carbodimide ; Structure ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Crystal Structure of N-Diphenylthiophosphinyl-N′-rimethylstannyl-carbodiimideN-Diphenylthiophosphinyl-N′-trimethylstannyl-carbodiimide is the final product of the reaction of diphenylcyanamido-thiphosphinate with trimethylstannylchloride. The single crystal X-ray analysis shows a bent Sn( 1)—N(1)—C(4)—N(2) sequence. The NCN group is asymmetric and the bond lengths N(1)—C(4) respectively C(4)—N(2) are typical of triple and double bonds. The N(2)—P(1) distance is shorter than a single bond.
    Notes: N-Diphenylthiophosphinyl-N′-trimethylstannyl-carbodiimid ist das Endprodukt der Reaktion von Diphenylcyanamido-thiophosphinat mit Trimethylstannylchlorid. Die Einkristall-Röntgenstrukturanalyse zeigt eine gewinkelte Sn(1)—N(1)—C(4)—N(2)-Sequenz. Die NCN-Gruppe ist asymmetrisch, wobei die Bindungslängen N(1)—C(4) für eine Dreifachbindung und C(4)—N(2) für eine Doppelbindung charakteristisch sind. Die Bindung N(2)—P(1) ist im Vergleich zu einer Einfachbindung stark verkürzt.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19926180127
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