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1Author    DennisG. Brown, Ulrich WeserRequires cookie*
 Title    XPS Spectra of Copper and Nickel Biuret Complexes — Observations of Intense Satellite Structure in the 2P Spectrum of a Copper(III) System  
 Abstract    A series of copper and nickel biuret complexes has been studied by X-ray photoelectron spectroscopy (XPS). The results include one of the first reports of the XPS spectrum of a copper(III) complex. Significantly, this diamagnetic complex exhibits intense satellite structure in both the Cu 2P3/2 and Cu 2Pi/2 regions. The isoelectronic nickel(II) complex shows no comparable satellite structure. 
  Reference    Z. Naturforsch. 34b, 989—994 (1979); received March 30 1979 
  Published    1979 
  Keywords    Copper, Nickel, Photoelectron Spectra, Satellite 
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 TEI-XML for    default:Reihe_B/34/ZNB-1979-34b-0989.pdf 
 Identifier    ZNB-1979-34b-0989 
 Volume    34 
2Author    U. Lehmann, Hk Müller-BuschbaumRequires cookie*
 Title    The Structure of Nd2Ni04 and its Relationship to La2Ni04 and La2CuC>4  
 Abstract    Single crystals of Nd2Ni04 were prepared by plasma and C02-LASER technique and analysed by X-ray single crystal methods. Nd2Ni04 is the first compound of the orthorhombically dis-torted La2Cu04-type. 
  Reference    Z. Naturforsch. 35b, 389—390 (1980); eingegangen am 19. Dezember 1979 
  Published    1980 
  Keywords    Neodymium, Nickel, Oxide, Crystal Structure 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-0389_n.pdf 
 Identifier    ZNB-1980-35b-0389_n 
 Volume    35 
3Author    M. Bobadilla, M. MoránRequires cookie*
 Title    Oxidative Addition of Pseudohalogen to [P(OPh)3]4Ni  
 Abstract    The title compound reacts with cyanogen halides, XCN (X = Br or I) to give the com-plexes L2(X)(CN)Ni (L = P(OPh)3, X = Br or I). The oxidative addition of (SCN)2 and (SeCN)2 to the same compound results in the formation of L2Ni(XCN)2 (X = S or Se). All the complexes have been characterized by elemental analysis, and IR, iH NMR and electronic spectra. 
  Reference    Z. Naturforsch. 38b, 1069—1071 (1983); received May 13 1983 
  Published    1983 
  Keywords    Pseudohalogens, IR Spectra, Nickel 
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 TEI-XML for    default:Reihe_B/38/ZNB-1983-38b-1069.pdf 
 Identifier    ZNB-1983-38b-1069 
 Volume    38 
4Author    Christian Dietz, FrankW. Heinemann, Andreas GrohmannRequires cookie*
 Title    Uniform Sidearm Derivatisations in a Tetrapodal Pentaamine: Ligands with NN4 O4 Donor Sets, and a Bis(Ferrocenecarbaldehyde Aminal)  
 Abstract    The tetrapodal pentaamine 2,6-C5H3N[CMe(CH2NH2)2l2 (pyN_u 1) readily reacts with four equivalents of 2-hydroxyphenyl-substituted carbonyl compounds, such as (i) 2-hydroxybenz-aldehyde, (ii) 2,4-dihydroxybenzaldehyde, (iii) 3,5-di-rm-butyl-2-hydroxybenzaldehyde, and (iv) 2-hydroxyacetophenone, to give the corresponding Schiff base derivatives with N N 4O .1 donor sets (i: 2; ii: 3, iii: 4; iv: 5). With ligand 5, two transition metal complexes (M = Ni1 (6), Cu1 1 (7)) have been isolated, which are dinuclear and contain square-planar M(N202) units, linked by a pyridine-derived spacer whose nitrogen atom is uncoordinated. The reaction of 1 with ferrocenecarbaldehyde affords, under neutral conditions and irrespective of an excess of the aldehyde present, the bis(aminal) 8 as the major product, in which the two 1,3-propylenediamine subunits of 1 have condensed with two carbaldehyde moieties to give two 1,3-diazacyclohexane rings. All compounds have been characterised by IR spectroscopy and elemental analysis, as well as 'H and l3C NMR spectroscopy (except paramagnetic 7). The crystal structures of compounds 2, 6, 7, and 8 have been determined. 
  Reference    Z. Naturforsch. 55b, 1037—1044 (2000); received July 28 2000 
  Published    2000 
  Keywords    Nonadentate Ligand, Schiff Base, Nickel 
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 TEI-XML for    default:Reihe_B/55/ZNB-2000-55b-1037.pdf 
 Identifier    ZNB-2000-55b-1037 
 Volume    55 
5Author    S.N SRequires cookie*
 Title    Influence of Aqueous Mixtures of Amides on the Kinetics of Electro Reduction of N i(II) and C o(II) at d. m. e  
 Abstract    Electroreduction of N i(II) and C o(II) lias been carried out in aqueous mixtures of formamide, acetamide and urea. Electrode kinetics in terms of theories of irreversible waves have been studied. After calculating the rate constants by D e l a h a y 1 and K o u ­ t e c k y 2 treatments separately their variation with electrode potential has been used to calculate the product 'ana\ The rate constants and 'ana' calculated from two different approaches show remarkable agreement. 'ana amide content of the aqueous mixture. 
  Reference    (Z. Naturforsch. 30b, 859—861 [1975]; received July 17 1975) 
  Published    1975 
  Keywords    Amides, Kinetics, Electro Reduction, Cobalt, Nickel 
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 TEI-XML for    default:Reihe_B/30/ZNB-1975-30b-0859.pdf 
 Identifier    ZNB-1975-30b-0859 
 Volume    30 
6Author    Albrecht Mewis, Astrid DistlerRequires cookie*
 Title    Zur Kenntnis der Verbindungen CaNi2As2, SrNi2As2 und Ca2)3NiU)7As7  
 Abstract    Investigations of the systems Ca(Sr)-Ni-As resulted in the discovery of three ternary phases. CaNi2As2 and SrNi2As2 are isotypic and crys-tallize in the ThCr2Si2-structure (space group 14/mmm) with the following constants: CaNi2As2 a = 406.5(1) pm, c= 994.9(2) pm, SrNi2As2 a = 415.4(1) pm, c = 1029.0(2) pm. Ca2.3Niu.7As7 (0= 940.4(1) pm,c= 381.6(l)pm) crystallizes in a hexagonal lattice; a Zr2Fei2P7-structure is supposed. 
  Reference    Z. Naturforsch. 35b, 391—393 (1980); eingegangen am 26. November 1979 
  Published    1980 
  Keywords    Arsenides, Nickel, Crystal Structure, Calcium, Strontium 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-0391_n.pdf 
 Identifier    ZNB-1980-35b-0391_n 
 Volume    35 
7Author    A. Döhring, P. W. Jolly, C. Krüger, M. J. RomãoRequires cookie*
 Title    The Ni(0)—C0 2 System: Structure and Reactions of [Ni(PCy 3 ) 2 (i/ 2 -C0 2 )]  
 Abstract    The reactions of a variety of bis(tricyclohexylphosphine)nickel species with C0 2 have been studied. The product of the reaction is solvent dependent: in toluene the known complex [NiL 2 (/7 : -C0 2)]-toluene (L = PCy 3) is formed while in ether or pentane a binuclear complex [(NiL 2) 2 (?;-C0 2)] results through the intermediacy of the solvent free species [NiL 2 (// 2 -C0 2)] the structure of which has been determined by X-ray crystallography. 
  Reference    Z. Naturforsch. 40b, 484—488 (1985); received November 30 1984 
  Published    1985 
  Keywords    Carbon Dioxide Complexes, Nickel, X-Ray 
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 TEI-XML for    default:Reihe_B/40/ZNB-1985-40b-0484.pdf 
 Identifier    ZNB-1985-40b-0484 
 Volume    40 
8Author    N., Silke Busche, Karsten BluhmRequires cookie*
 Title    Synthese und Kristallstruktur der ersten zinkhaltigen Pyroborate  
 Abstract    ii,5Z n 0,5(6 2 0 5) UI,d C o ^ Z n o ^ I ^ O s) Synthesis and Crystal Structure of the First Zinc Containing Pyroborates Nii.5Z n0.5(B2O 5) and Coj 5Z n0.5(B2O 5) The first zinc containing pyroborates Ni! sZ n ^ B ^ O s) (A) and 5Zn0 5(B 2O 5) (B) were prepared by using a B20 3 flux technique. Single crystals were investigated by X-ray diffrac­ tion and showed triclinic symmetry, space group C j-P l. The structures are isotypic to C o9(B 20 5) with the lattice parameters (A) « = 331.28(6), 6 = 613.87(11), c = 922.2(2), a = 104.067(11) °, ß = 90.672(13) °, y = 92.413(12) 0 and (B) 0 = 315.89(2), 6 = 612.84(6), c = 927.72(6), a = 104.103(7) °, ß = 91.020(6) °, y = 92.540(7) °, Z = 2. All metal point positions show an octahedral oxygen coordination and a partly statistical distribution o f Zn2+ and N i2+ or C o2+, respectively. Isolated nearly planar B20 5 units connect ribbons consisting o f edge sharing metal octahedra. 
  Reference    Z. Naturforsch. 50b, 1445—1449 (1995); eingegangen am 25. April 1995 
  Published    1995 
  Keywords    Zinc, Nickel, Cobalt, Pyroborate, Crystal Structure 
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 TEI-XML for    default:Reihe_B/50/ZNB-1995-50b-1445.pdf 
 Identifier    ZNB-1995-50b-1445 
 Volume    50 
9Author    S. Meyer, Hk Müller-BuschbaumRequires cookie*
 Title    Kurze O-O-Abstände einer gemeinsamen Polyederkante bei Verknüpfung von P 0 4-Tetraedern mit V 0 6-0ktaedern im Vanadyl-Orthophosphat C aN i(V 0)(P04)2 Short 0 -0 Distances in Edge Sharing P 0 4 Tetrahedra and V 0 6 Octahedra o f the Vanadyl- Orthophosphate C a N i(V 0 )(P 0 4)2  
 Abstract    Single crystals of the new compound C aN i(V 0)(P 04)2 have been prepared by solid state reactions below the melting point of the oxide mixture in evacuated quartz tubes. X-ray inve­ stigations ledoto orthorhom bic symmetry, space group D2£-Pnma, a -14.113(1), b -6.408(1), c = 7.364(1) A, Z = 4. The crystal structure shows J. [N i0 4] and J. [V 0 6P20 3] polyhedra chains closely related to analogous chains in the isotypic compound CdV20 (P 0 4)2. The short V -0 distance of 1.66 A indicates a vanadyl group as the main difference to CdV20 (P 0 4)2. The short 0 -0 distance of 2,395 A of the edge-sharing P 0 4 tetrahedra and V 0 6 octahedra is discussed. 
  Reference    Z. Naturforsch. 52b, 981—984 (1997); eingegangen am 12. Mai 1997 
  Published    1997 
  Keywords    Calcium, Nickel, Vanadium Phosphate, Crystal Structure 
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 TEI-XML for    default:Reihe_B/52/ZNB-1997-52b-0981.pdf 
 Identifier    ZNB-1997-52b-0981 
 Volume    52 
10Author    B. Wedela, K. Sugiyamaa, Hk Müller-BuschbaumRequires cookie*
 Title    Verknüpfung von (Te06)6-und (Te06)3(N i06)3-Sechsringen durch TeNiOp-Oktaederdoppel in Pb3Ni4i5Te2? 5 0 15 Connection of (TeOö)6 and (Te06)3(N i0 6)3 Hexagons by T eN i09 Octahedra Double in Pb3Ni4 5Te2 50 15  
 Abstract    Single crystals of Pb3Ni4 5Te2 5 0 15 have been prepared by heating pellets of mixtures of PbO, T e02 and nickel hydroxide carbonate to 730 °C in air. X-ray investigations led to hexagonal 
  Reference    Z. Naturforsch. 53b, 527—531 (1998); eingegangen am 11. Februar 1998 
  Published    1998 
  Keywords    Lead, Nickel, Tellurium Oxide, Crystal Structure 
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 TEI-XML for    default:Reihe_B/53/ZNB-1998-53b-0527.pdf 
 Identifier    ZNB-1998-53b-0527 
 Volume    53 
11Author    Joachim Heinickea, Attila Dala, Hans-Friedrich Kleinb, Olaf Hetcheb, Ulrich Flörkec, Hans-Jürgen HauptcRequires cookie*
 Title    Formation of r71-P-(2-Phosphinophenol)Ni(0)(PMe3)3 and Oxidation to cjs/fraws-Bis(2-phosphinophenolato)nickel(II) Complexes  
 Abstract    o-Phosphinophenols 1 (P ^ O H) react with equimolar amounts of Ni(PMe3)4 at low tempera­ tures to give yellow Ni(0) complexes such as [(HO~P)Ni(PMe3)3] 2a with only P coordination of the P ^ O H ligand. Oxidation of solutions of 1 and Ni(PMe3)4 by dioxygen leads to brown bis(o-phosphinophenolato-P^O)nickel chelate complexes 3a-d. Structure elucidation by NM R is consistent with a m-square planar geometry for 3a-c and a rrans-square planar solution struc­ ture of the terr-butylphenylphosphino derivative 3d. The geometric isomers were distinguished by different ranges of phosphorus coordination shifts and 3lP-l3C-2 and 3IP-13C-1 coupling 
  Reference    Z. Naturforsch. 54b, 1235—1243 (1999); received May 19 1999 
  Published    1999 
  Keywords    Phosphinophenolate, Nickel, Complexes, Structure Elucidation, Solid State Structures 
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 TEI-XML for    default:Reihe_B/54/ZNB-1999-54b-1235.pdf 
 Identifier    ZNB-1999-54b-1235 
 Volume    54 
12Author    Albrecht MewisRequires cookie*
 Title    Neue ternäre Phosphor-und Arsenverbindungen mit Zr2Fe12P7-Struktur New Ternary Compounds of Phosphorus and Arsenic with the Zr2Fei2P7-Structure  
 Abstract    The ternary compounds Mg2.5Ni11.5P7, Ca2.1Ni11.9P7 and Ca2.3Nin.7As7 were structurally characterized. They are isotypic and crystallize in the Zr2Fei2P7-type (space group P 6) with the following constants: 
  Reference    Z. Naturforsch. 35b, 620—625 (1980); eingegangen am 11. Januar 1980 
  Published    1980 
  Keywords    Phosphides, Arsenide, 2 A Elements, Nickel, Crystal Structure 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-0620.pdf 
 Identifier    ZNB-1980-35b-0620 
 Volume    35 
13Author    Silke Buchler, Franc Meyer, Albrecht Jacobi, Peter Kircher, Laszlo ZsolnaiRequires cookie*
 Title    Novel Dinucleating Ligand Systems Containing Two Adjacent Coordination Compartments of the Potential Triamidoamine-Type -Nickel(II) and Cobalt(II) Coordination Chemistry  
 Abstract    The preparation of novel dinucleating pyrazolate ligands H5L3 -H5L8 carrying chelating side arms with appending secondary amine functions is reported. Following different synthetic routes, either CH2CF3, C6H2F3 , or CftF? moieties can be introduced as substituents at the termi­ nal nitrogen atoms. These systems are reminiscent of two coupled coordination compartments of the potential triamidoamine-type. Crystallographic analyses of a series of bimetallic complexes of the CH2CF3-substituted ligand H5L4 with NiCh and C0 CI2 reveal manifold coordination modes in the solid state, resulting from the facile detachment of a single or several N-donor sites from the metal centers. Coordination number sets {4/6} (in H5L4Co2CU) and {5/6} (in H4L4Ni2Cl3, H4L4Co2Cl3 and H5L4Ni2CL) are thus observed. In the non-deprotonated HsL-type systems the remaining protons are found to be scavenged by a pyrazolate-N (in H5L4Ni2CU) or an amine function of a ligand side arm (in H ^ C o iC U). 
  Reference    Z. Naturforsch. 54b, 1295—1306 (1999); received June 18 1999 
  Published    1999 
  Keywords    Dinuclear Complexes, N-Ligands, Nickel, Cobalt, Solid-State Structures 
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 TEI-XML for    default:Reihe_B/54/ZNB-1999-54b-1295.pdf 
 Identifier    ZNB-1999-54b-1295 
 Volume    54 
14Author    Berthold KerstingRequires cookie*
 Title    Nickel Complexes of N-Alkylated Derivatives of 2,6-Bis(aminomethyl)- 4-te/t-butyl-thiophenol  
 Abstract    The syntheses of N-alkylated derivatives of the arenethiol 4-terf-butyl-2,6-(diaminomethyl)-thiophenol and their coordination properties are reported. Compounds 4-terf-butyl-2,6-di(/V-iso-propyl-aminomethyl)thiophenol (3) and 4-terf-butyl-2-(AMsopropyl-aminomethyl)-6-hydroxy-methylthiophenol (6) react with Ni(II) salts to give compounds of composition [Ni(3)2]-2HC1 (7) and [Ni(6)2] (8). The solid-and solution-state structures of both complexes consist of mononuclear complexes with four-coordinate nickel(II) ions in approximately planar trans-N2S2 coordination environments. In contrast to the parent arenethiol 4a, the sterically more encumbered ligands do not form dinuclear complexes. 
  Reference    Z. Naturforsch. 53b, 1379—1385 (1998); received June 26 1998 
  Published    1998 
  Keywords    Mononuclear Complexes, Nickel, Amine-Thiolate Ligands, Solid-State Structures, Solution-State Structures 
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 TEI-XML for    default:Reihe_B/53/ZNB-1998-53b-1379.pdf 
 Identifier    ZNB-1998-53b-1379 
 Volume    53