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1Author    Mit Komplexe, KupferUnd Mangan, Zink, CarstenO. Kienitz, Carsten Thöne, PeterG. JonesRequires cookie*
 Title    Zur Koordinationschemie des 2,2'-Dipyridyldiselenids (PySeSePy), Teil 2 [1]  
 Abstract    The coordination chemistry of 2,2'-dipyridyldiselenide (PySeSePy) towards mangane­ se, copper and zinc centres has been studied. The complexes [MnBr2-/V,/V'-(PySeSePy)] (1), [CuBr2-/V,/V'-(PySeSePy)] (2), [Cu-(//-Br)-7V(/V'-(PySeSePy)]2 (3), [Cu-()U-Br)-{p-N,N'-(PySeSePy)}]" (4), [Cu-(/i-Cl)-/V,W'-(PySeSePy)]2 (5), [Zn(OOCC6F5)2-/V,/V'-(PySeSePy)] (6) and [Z n (0 S 0 2CF3)2-./V>/V'-(PySeSePy)] (7) have been synthesised and the crystal structures of 1, 3, 4 and 6 determined. 1, 3 and 6 display seven-membered metallacycles with tetrahedral coordination of the metal centres. In these cases 2,2'-dipyridyldiselenide acts as a chelating ligand. In the polymeric complex 4, 2,2'-dipyridyldiselenide acts as a bridging ligand. All com­ plexes display selenium-selenium single bonds with an average length of 232 pm. In contrast to the analogous chloro and nitrato complexes, the zinc complexes 6 and 7 are not dissociated in solution, as evidenced by 77Se NMR experiments. The corresponding resonances are shifted downfield in comparison with the ligand. 
  Reference    Z. Naturforsch. 55b, 587—596 (2000); eingegangen am 3. März 2000 
  Published    2000 
  Keywords    Manganese, Copper, Zinc 
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 TEI-XML for    default:Reihe_B/55/ZNB-2000-55b-0587.pdf 
 Identifier    ZNB-2000-55b-0587 
 Volume    55 
2Author    Petra Lauxmann, Thomas SchleidRequires cookie*
 Title    CsCu3Dy2S5 und CsCu3Er2S5 : Zwei isotype quaternäre Sulfide der Lanthanoide mit Kanalstrukturen CsCu3Dy2S5 and CsCu3Er2S5: Two Isotypic Quaternary Sulfides of the Lanthanides with Channel Structures  
 Abstract    Orthorhombic single crystals of CsCu3 Dy2 S5 (a = 397.54(4), b = 1414.8(1), c = 1685.7(2) pm) and CsCu3 Er2 S5 (a = 394.82(4), b= 1410.9(1), c = 1667.2(2) pm; both Cmcm, Z = 4) are obtained as by-products (pale yellow or pink transparent needles) in attempts to synthesize CuMS2 (M = Dy and Er) through the oxidation of elemental copper, dysprosium and erbium, respectively, with sulfur (molar ratios: 1 :1 :2) in the presence of equimolar amounts of cesium chloride (CsCl) as fluxing agent at 900 °C within fourteen days from torch-sealed evacuated silica tubes. Their crystal structure contains octahedral [MS6]9~ units (d(M-S) = 269 -282 pm) which share edges and vertices to form layers ^ {(M 2 S5)4_} parallel (010). These are three-dimensional-ly interconnected along [010] by two crystallographically different Cu+ cations in tetrahedral coordination of S2_ anions (d(Cu-S) = 227 -269 pm) according to ^{(Cu^MtSs)-}. Thereby a likewise layered substructure 2,{(Cu3 S5)7 -} is formed parallel (010) by edge-and vertex-linking of all [CuS4]7~ tetrahedra. Large channels within the <£>{(Cu3 M2 S5)~ } network spread along [100] and suit well to take up the highly coordinated Cs+ cations, which are surrounded by eight plus one S2~ anions at distances between 340 and 358 pm (8 x) with the ninth ligand 420 -421 pm apart in the shape of (2+7)-fold capped trigonal prisms. 
  Reference    Z. Naturforsch. 56b, 1149—1154 (2001); eingegangen am 27. August 2001 
  Published    2001 
  Keywords    Copper, Lanthanides, Sulfides 
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 TEI-XML for    default:Reihe_B/56/ZNB-2001-56b-1149.pdf 
 Identifier    ZNB-2001-56b-1149 
 Volume    56 
3Author    Valerie Bertagna, Francis Rouelle, Marius ChemlaRequires cookie*
 Title    Copper Contamination Mechanism of Silicon Substrates from HF Solutions  
 Abstract    The contamination of silicon wafers from dilute HF solutions containing ultratrace levels of metallic ion impurities is a subject of constant interest. The mechanism of copper electroless deposition from HF onto monocrystalline silicon was investigated using a new electrochemical cell, which proved to be a very sensitive detector for in situ characterization of silicon surfaces. Upon addition of copper trace amounts, the open-circuit potential was observed to shift rapidly towards more positive values at a rate nearly proportional to the copper concentration. All poten-tial/time curves tend to reach a limiting value of the potential, while quantitative measurements of radioactive tracers revealed that during a few tens of minutes, copper ions were continuously reduced on the silicon surface. Electrochemical potentials and voltammetric measurements were interpreted in terms of the mixed potential theory and led to the conclusion that copper nuclei act as a catalyst which enhances the cathodic activity for protons reduction. The model was supported by AFM observations which demonstrated the initiation of corrosion pits around the nuclei. 
  Reference    Z. Naturforsch. 52a, 465—176 (1997); received April 14 1997 
  Published    1997 
  Keywords    Silicon, contamination, copper, catalysis 
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 TEI-XML for    default:Reihe_A/52/ZNA-1997-52a-0465.pdf 
 Identifier    ZNA-1997-52a-0465 
 Volume    52 
4Author    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 
5Author    DennisG. Brown, WilliamJ. HughesRequires cookie*
 Title    Copper(II) Complexes Containing 3-n-Nonylcatechol: Preparation and Ligand Oxidation  
 Abstract    Ternary copper(II) complexes containing the dianion of 3-n-nonylcatechol and a number of bidentate nitrogen containing counter ligands have been prepared and charac-terized. It has been demonstrated that, in the presence of oxygen, the catecholato ligand undergoes intradiol ring cleavage in a fashion similar to that carried out by intradiol aromatic dioxygenases. The 3-n-nonylcatecholato ligand was chosen as an analog for the naturally occuring 3-pentadecylcatechols or "urushiols" which are the active allergens in plants such as poison ivy. 
  Reference    Z. Naturforsch. 34b, 1408—1412 (1979); received June 19 1979 
  Published    1979 
  Keywords    Copper, Dioxygenase, Urushiol Model, Catechol 
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 TEI-XML for    default:Reihe_B/34/ZNB-1979-34b-1408.pdf 
 Identifier    ZNB-1979-34b-1408 
 Volume    34 
6Author    Ž. Blažina, Z. BanRequires cookie*
 Title    The Crystal Structures of U2Cu3 AL and UCUA12, and their Relationship with Some Other Phases in the System U-Cu-Al  
 Abstract    X-ray investigations of a great number of samples along the specifically chosen tie-lines in the isothermal sections of the system U-Cu-Al (800 °C) indicated the existence of two new ordered ternary phases, i.e. U2CU3A1 and UCUA12. The first one is hexagonal (S. G. P63/mmc, MgZn2-type), with a = 5.065 ± 0.005 A, c = 8.307 ± 0.005 A and c/a = 1.640. The ordered atomic arrangement of all atoms, as confirmed by trial and error method is consistent with a rather uncommon superstructure of the MgZn2-type. UCUA12 is tetragonal, a = 3.857 ± 0.005 A, c = 8.736 ± 0.005 A, c/a = 2.265, probable space group is I4/mmm, and represents an ordered ternary structure variant of the TiAl3 type. The crystal structures of these two new phases were correlated, in terms of stacking sequences, with those which were identified in this system previously. 
  Reference    Z. Naturforsch. 35b, 1162—1165 (1980); received March 3 1980 
  Published    1980 
  Keywords    Aluminium, Copper, Uranium, Intermetallic Compound 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-1162.pdf 
 Identifier    ZNB-1980-35b-1162 
 Volume    35 
7Author    Martin Pfisterer, Günter NagorsenRequires cookie*
 Title    Darstellung, Struktur und elektrische Eigenschaften der Phase CaCu4As2 Preparation, Crystal Structure and Electrical Conductivity of CaCu4As2  
 Abstract    Investigations in the system Ca-Cu-As resulted in the discovery of CaCuiAs2. The phase crystallizes in a rhombohedral structure (Trigonal axes: a = 417.3(6) pm, c = 2262(3) pm, space group R~3m). The conductivity varies from 47 to 89 (i2cm) -1 having a minimum at 250 K. 
  Reference    Z. Naturforsch. 37b, 420—422 (1982); eingegangen am 27. Oktober 1981 
  Published    1982 
  Keywords    Calcium, Copper, Arsenide, Ternary Compound 
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 TEI-XML for    default:Reihe_B/37/ZNB-1982-37b-0420.pdf 
 Identifier    ZNB-1982-37b-0420 
 Volume    37 
8Author    PeterG. Jones, HerbertW. Roesky, Hansjörg Grützmacher, GeorgeM. SheldrickRequires cookie*
 Title    Oxidative Knüpfung einer Phosphor-Phosphor-Bindung unter Einwirkung von Ag(I)-bzw. Cu(II)-Ionen: Synthese und Struktur von [(C 6 H5)PH 2 Ag{|i-(C 6 H 5 PH) 2 }]2 (AsF 6 ) 2 , einem sechsgliedrigen Silber-Phosphor-Ring The Oxidative Formation of a Phosphorus-Phosphorus Bond in the Presence of Ag(I) and Cu(II) Ions: Synthesis and Structure of [(C 6 H 5 )PH 2 Ag{^-(C 6 H 5 PH) 2 }] 2 (AsF 6 ) 2 , Containing a Six-Membered Silver-Phosphorus Ring  
 Abstract    The reaction between AgAsF 6 and phenylphosphine proceeds with formation of a phosphorus-phosphorus bond. The main product 1, [(C 6 H 5)PH 2 Ag{u-(C 6 H 5 PH) 2 }] 2 (AsF 6) 2 , was characterized by an X-ray structure determination [PI, a = 919.0(4), b = 1109.8(4), c = 1316.4(5) pm, a = 97.48(3), ß = 107.25(3), y = 102.71(3)°, Z = 1, R = 0.057 for 2806 observed reflections], 1 contains Ag 2 P 4 rings; the silver atoms are further coordinated by phenylphosphine ligands, thus acquiring trigonal coordination geometry. A similar reaction is observed with Cu(AsF 6) 2 , forming the analogous Cu(I) complex 2. 
  Reference    Z. Naturforsch. 40b, 590—593 (1985); eingegangen am 28. Januar 1985 
  Published    1985 
  Keywords    Crystal Structure, Silver, Phenylphosphine, Copper 
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 TEI-XML for    default:Reihe_B/40/ZNB-1985-40b-0590.pdf 
 Identifier    ZNB-1985-40b-0590 
 Volume    40 
9Author    Ch LangRequires cookie*
 Title      
 Abstract    Single crystals of LiBa2Cu30 6 have been pre­ pared by recrystallization from melts in a stream of dry Argon as well as by spontaneous CO 2-LASER heating. It crystallizes with orthorhom bic symmetry, space group -Fmmm, a = 8,219(2), b = 11,520 (2), c = 14,284(3) A, Z = 8. The crystal structure is isotypic to NaBa2Cu30 6. 
  Reference    Z. Naturforsch. 50b, 681—683 (1995); eingegangen am 19. September 1994 
  Published    1995 
  Keywords    Lithium, Barium, Copper, Oxide 
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 TEI-XML for    default:Reihe_B/50/ZNB-1995-50b-0681_n.pdf 
 Identifier    ZNB-1995-50b-0681_n 
 Volume    50 
10Author    B. Wulff, Hk Wedel, Müller-BuschbaumRequires cookie*
 Title    Zur Kristallchemie von Telluraten mit Mn2+ im kationischen und anionischen Teil der Kristallstruktur: (Mn2?4Cuo,6)Te06, Ba2M nTe06 und Pb(Mn0,5 Te0,5 )O3 On the Crystal Chemistry of Tellurates Containing Mn2+ in the Cationic and Anionic Part of the Crystal Structure: (Mn2 4Cu0 6)Te06, Ba2MnTe06 and Pb(Mn0 5Te0 5) 0 3 L  
 Abstract    Single crystals of (Mn2.4Cu0 6)Te06 (I), Ba2MnTe06 (II) and Pb(Mn0 5Te0 5) 0 3 (III) have been prepared by crystallization from fluxes. X-ray investigations led to rhombohedric sym­ metry (I): R3, (II): R3m with the trigonal lattice constants (I): a = 8.826(1), c = 10.687(2) Ä, Z = 2. (II): a = 5.817(8), c = 14.244(3) A, Z = 3. Compound (III) crystallizes with cubic symmetry P43m, a = 4.045(3) A, Z = 1. (I) is the first example of a manganese(II) tellurate and belongs to the structure type of A3X 0 6 compounds like (Mn2In)Sb06, Mn3W 0 6 and Ca3U 0 6. (II) exemplifies an ordered and (III) a disordered variation of the perovskites. 
  Reference    (Z. Naturforsch. 53b, 49—52 [1998]; eingegangen am 15. Oktober 1997) 
  Published    1998 
  Keywords    Manganese, Copper, Lead, Barium, Tellurates 
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 TEI-XML for    default:Reihe_B/53/ZNB-1998-53b-0049.pdf 
 Identifier    ZNB-1998-53b-0049 
 Volume    53 
11Author    Henri Brunner1, ManfredM. Uschiol3, Thomas Neuhierl3, Bernhard NuberbRequires cookie*
 Title    Copper Complexes with the Ligand [Cp2MoH2]  
 Abstract    The reaction of CuCl with [CP2M0H2] yields the complex [Cu(Cp2M oH2)2Cl]. An X-ray structure analysis shows that the coordination of the copper(I) ion by two [CP2M0H2] lig­ ands and the chloride ion is pseudo-trigonal planar. The hydride ligands were located by using difference Fourier methods. A manifold of reactions took place when an aqueous so­ lution of CUSO4 was treated with a solution of [Cp2M oH 2] in dichloromethane in a 1:2 molar ratio. The X-ray structure analysis established a polymeric structure of the complex [Cu(Cp2MoH2)2Cu(Cp2M oH2)S0 4 ]" with two different copper centers. 
  Reference    Z. Naturforsch. 54b, 337—340 (1999); received September 25 1998 
  Published    1999 
  Keywords    Copper, Molybdenum, X-Ray Data 
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 TEI-XML for    default:Reihe_B/54/ZNB-1999-54b-0337.pdf 
 Identifier    ZNB-1999-54b-0337 
 Volume    54 
12Author    Isabel Díaza, Vicente Fernández3, VitalyK. Belskyb, Jose Luis, M. Artínez0Requires cookie*
 Title    Synthesis and Structural Study of the Thermochromic Compounds Bis(2-amino-4-oxo-6-methylpyrimidinium) Tetrachlorocuprate(II) and Bis(2-amino-4-chloro-6-methylpyrimidinium) Hexachlorodicuprate(II)  
 Abstract    The compound bis(2-am ino-4-oxo-6-methylpyrimidinium) tetrachlorocuprate(II) 1 contains CuCU2-square-planar anions, and bis(2-am ino-4-chloro-6-m ethylpyrim idinium) hexachlorod-icuprate(II) 2 quasi-planar CU2CI62-anions. Both compounds show thermochromic behaviour. This phenomenon has been studied by X-ray crystallography at variable temperature, with the result that no major change is observed in the geometry o f the copper atom. Thus it is possible to assume som e influence o f the hydrogen bonds and o f the different geometries o f interme­ diate states on the color o f the compounds due to the modifications provoked in the L —>M charge transfer and in the energy o f the metal d-d transitions. Magnetic measurements o f the compounds give information on magneto-structural correlations. Compound 1 is ferromagnetic (Tc = 20 K) due to the perpendicular arrangement o f the square anions that allows exchange pathways only via Cu-Cl -Cu , H-bonding or cationic n electron interactions. Compound 2 shows a very complicated behavior at low temperature with local antiferromagnetic fluctua­ tions. Crystal data: 1 CioHioNftC^CUCu, triclinic, P i; 393(2) K: a = 11.053(2), b = 11.334(2), c = 14.038(3) (Ä), a = 95.76(3), ß = 101.35(3), 7 = 9 0 .1 5 (3) 0 ; 293(2) K: a = 11.022(2), b = 11.289(2), c = 14.001(3) (A), a = 95.86(2), ß = 101.34(2), 7 = 9 0 .0 9 (3) 0 ; 155(2) K: a = 11.008(2), b = 11.231 (2), c = 13.967(3) (A), a = 95.86(2), ß = 101.37(2), 7 = 8 9 .9 9 (2) 0 ; Z = 4. 2 (C5H7N 3C l3Cu)2, monoclinic, P 2,/c; 293(2) K: a = 5.998(1), b =18.669(4), c = 9.466(2) (A), ß = 1 0 0 .9 3 (3)0 ; 150(2) K: a = 5.971(1), b = 18.655(4), c = 9.3 8 3 (2) (Ä), ß = 1 0 1 .6 4 (1) 0 ; Z = 4. 
  Reference    Z. Naturforsch. 54b, 718 (1999); received March 1 1999 
  Published    1999 
  Keywords    Thermochromic Compounds, Copper, Chloride 
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 TEI-XML for    default:Reihe_B/54/ZNB-1999-54b-0718.pdf 
 Identifier    ZNB-1999-54b-0718 
 Volume    54 
13Author    J.Nomssi Nzali, W. HoyerRequires cookie*
 Title    X-ray Investigations of Liquid Bismuth-Copper Alloys  
 Abstract    Liquid copper, bismuth, and eleven bismuth-copper alloys were investigated at temperatures above the liquidus with X-ray diffraction. The experimental procedure was adjusted to reduce the effects of evaporation. The Faber-Ziman total structure factors S(Q) feature a splitting of the first maximum and negative values for Q around 1 A -1 in a large concentration range. The results are compared to previous neutron diffraction results by Zaiss and Steeb, to square-well potential model calculations by Gopala Rao and Satpathy and to a simple segregation model. The segregation model reproduces the features qualitatively. Partial structure factors are assessed by fitting both neutron and X-ray scattering results with reverse Monte-Carlo simulation. 
  Reference    Z. Naturforsch. 55a, 381—389 (2000); received May 29 1999 
  Published    2000 
  Keywords    Bismuth, Copper, Liquid Alloys, X-ray Diffraction, Microsegregation 
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 TEI-XML for    default:Reihe_A/55/ZNA-2000-55a-0381.pdf 
 Identifier    ZNA-2000-55a-0381 
 Volume    55 
14Author    Bernd Grande, Hanskarl Müller-BuschbaumRequires cookie*
 Title    Über Oxocuprate, XIV Zur Kristallchemie von Sr2Cu304Cl2 On Oxocuprate, XIV On the Crystal Chemistry of Sr2Cu304Cl2  
 Abstract    The new compound Sr2Cu304Cl2 was prepared in melts of SrCl2. A single crystal X-ray examination (a = 546.2, c= 1259.1 pm, space group D^-14/mmm) shows that the octahedral distortion of the [Cu304Cl2] 4 ~-network cannot be explained only by the JAHN-TELLER effect. 
  Reference    (Z. Naturforsch. 31b, 405—407 [1976]; eingegangen am 24. November 1975) 
  Published    1976 
  Keywords    Strontium, Copper, Oxide Chloride, Crystal Structure, Coordination 
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 TEI-XML for    default:Reihe_B/31/ZNB-1976-31b-0405.pdf 
 Identifier    ZNB-1976-31b-0405 
 Volume    31 
15Author    C. Friebel, V. Propach, D. ReinenRequires cookie*
 Title    in Mischkristallen BaXu^Zn^yFg Cu 2+ in Tetragonally Compressed Octahedral Coordination - Spectroscopic Investigations of Mixed Crystals Ba2Cii^.Zn1_xF6  
 Abstract    Usually the Jahn-Teller effect of Cu 2+ in a regular octahedral host lattice site leads to a tetragonal elongation with a small o-rhombic component. If the relevant crystallographic site is slightly tetragonally compressed however in the host lattice structure already — as in Ba 2 ZnF6 -the Jahn-Teller effect may stabilize this distortion symmetry as well. This can be deduced from the EPR-spectroscopic g M -values of 1.99 for the mixed crystals Ba^Zni.^Cu^Fg up to x = 0.3. The angular overlap parameters obtained from the ligand field spectra suggest in addition, that the tetragonal compression of the CuFß polyliedra is considerable, with CuF distances of about 1.90 A (2x) and 2.14 A (4x), respectively. Increasing cooperative elastic interactions between the CuFß polyhedia in the (001) planes at larger Cu 2+ -concentrations induce tetragonally elongated octahedra (with a small o-rhombic component) in antiferrodistortive order at x > 0.6. This cooperative Jahn-Teller order, which is characteristic for Ba2CuF6, can be verified simply by acentric displacements of the F~-ligands connecting two Cu 2+ -ions in the (001) planes. 
  Reference    (Z. Naturforsch. 31b, 1574—1584 [1976]; eingegangen am 13. August 1976) 
  Published    1976 
  Keywords    Jahn-Teller Effect, EPR Spectra, Ligand Field Spectra, Copper 
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 TEI-XML for    default:Reihe_B/31/ZNB-1976-31b-1574.pdf 
 Identifier    ZNB-1976-31b-1574 
 Volume    31 
16Author    Requires cookie*
 Title    Über Oxocuprate, XX Ein Erdalkalioxocuprat(II) mit geschlossenen Baugruppen: BaCu02 About Oxocuprates, X X  
 Abstract    Alkaline-earth Oxocuprate(II) with Closed Structural Groups: B aC u02 R. K ipka und H k. M ü l l e r -B u s c h b a u m In stitu t für Anorganische Chemie der C hristian-A lbrechts-U niversität K iel The new alkaline-earth oxocuprate(II) BaCu0 2 w as prepared and in v estig a ted by single crystal X -ray m ethods. (Space group: 0 ^ -I m 3 m , la ttice con stan t: a = 1827 pm .) The distribution o f 360 atom s per unit cell leads to a com plicated polyhedral fram ework w ith Cu2+ in w ell known square coordination. One of th e B a 2+ positions has th e extraordinary coordination number 24. 
  Reference    (Z. Naturforsch. 32b, 121—123 [1977]; eingegangen am 15. November 1976) 
  Published    1977 
  Keywords    Barium, Copper, O xygen, X -ray, Single crystal 
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 TEI-XML for    default:Reihe_B/32/ZNB-1977-32b-0121.pdf 
 Identifier    ZNB-1977-32b-0121 
 Volume    32 
17Author    Albrecht Mewis, Peter BlumstengelRequires cookie*
 Title    Ternäre Verbindungen in den Dreistoffsystemen Calcium-Kupfer-Phosphor (Arsen) Ternary Compounds in the Systems Calcium -Copper -Phosphorus (Arsenic)  
 Abstract    By investigations in the systems Ca-Cu-P(As) we found two ternary phases of the formulas CaCuP and CaCuAs, which crystallize in a hexagonal lattice. We suppose a modified Ni2ln-type structure. Some details about a Calcium Copper Phosphide with a ThCr2Si2-type struc-ture are given. 
  Reference    Z. Naturforsch. 33b, 671—672 (1978); eingegangen am 3. März/4. April 1978 
  Published    1978 
  Keywords    Calcium Compounds, Copper, Phosphides, Arsenides, Crystal Data 
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 TEI-XML for    default:Reihe_B/33/ZNB-1978-33b-0671_n.pdf 
 Identifier    ZNB-1978-33b-0671_n 
 Volume    33 
18Author    Wolfgang Döring, Werner Seelentag, Werner Buchholz, Hans-Uwe SchusterRequires cookie*
 Title    Ternäre Alkalimetallverbindungen vom Mg32(Zn,Al)49-Typ mit Elementen der 4. Hauptgruppe Ternary Compounds of the Mg32(Zn, Al)49-Type Structure with Alkali Metals and IV B-Elements  
 Abstract    In the ternary systems Li-Cu-Si, Li-Ni-Si and Na-Au-Si (Ge, Sn) five phases could be prepared and characterized by single crystal investigations, which crystallize in a cubic body-centered lattice and are related to the Mg32(Zn, Al)49-type structure (T-phases). 
  Reference    Z. Naturforsch. 34b, 1715—1718 (1979); eingegangen am 26. Juli 1979 
  Published    1979 
  Keywords    Ternary Phases, Lithium, Sodium, Copper, Gold 
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 TEI-XML for    default:Reihe_B/34/ZNB-1979-34b-1715.pdf 
 Identifier    ZNB-1979-34b-1715 
 Volume    34 
19Author    Albrecht MewisRequires cookie*
 Title    Darstellung und Struktur der Verbindung CaCu4P2 Preparation and Crystal Structure of CaCu4P2  
 Abstract    of the system Ca-Cu-P resulted in the discovery of CaCu4P2. The compound crystallizes in a trigonal-rhombohedral structure (hexagonal axes: a = 403.6(1) pm, c = 2227.2(2) pm; space group R3m) which contains structural elements of the compound CU3P. 
  Reference    Z. Naturforsch. 35b, 942—945 (1980); eingegangen am 27. März 1980 
  Published    1980 
  Keywords    Ternary Calcium Compound, Copper, Phosphide, Crystal Structure Investigations 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-0942.pdf 
 Identifier    ZNB-1980-35b-0942 
 Volume    35 
20Author    Ali Mahan, Albrecht MewisRequires cookie*
 Title    A B2X2 -Verbindungen mit CaAl2Si2-Struktur, IX [1] Compounds with the CaAl2Si2 Structure, IX [1]  
 Abstract    The compounds ZrCu2P2, YZnCuP2, LaZnCuP2, and CeZnCuP2 have been prepared and their structures have been determined. They are isotypic and crystallize trigonally in the CaAl2Si2-type structure (space group P3m 1) with the lattice constants: ZrCu2P2 a = 381,2(1) pm, c = 617,1(2) pm, YZnCuP2 a = 398,3(1) pm, c = 652,3(2) pm, LaZnCuP2 a = 408,2(1) pm, c = 674,2(2) pm, CeZnCuP2 a = 406,4(1) pm, c = 669,7(2) pm. 
  Reference    Z. Naturforsch. 38b, 1041—1045 (1983); eingegangen am 13. Mai 1983 
  Published    1983 
  Keywords    Ternary and Quaternary Phosphides, Copper, Zinc, Crystal Structure 
  Similar Items    Find
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 TEI-XML for    default:Reihe_B/38/ZNB-1983-38b-1041.pdf 
 Identifier    ZNB-1983-38b-1041 
 Volume    38 
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