| | 41 | Author
| Hk Sedello, Müller-Buschbaum | Requires cookie* | | | Title
| O  | | | | Abstract
| Single crystals of BaCuTe03T e 0 4 have been prepared by crystallisation from melts. X-ray investigations lead to orthorhombic symmetry, space group C2v-Ama2, a = 5.4869(8), b = 15.412(1), c = 7.2066(4) A , Z = 4. This compound represents a new structure type, containing B aO 10, C u 0 5, T e 0 6 and T e 0 4 polyhedra. The lone pair (E) of TeIV completes the TeIV0 4 polyhedron to a trigonal T e 0 4E bipyramid. The Te to E distance is estimated by calculations o f the Coulomb terms of lattice energy to 1.43 A . | | | |
Reference
| Z. Naturforsch. 51b, 465—468 (1996); eingegangen am 31. August 1995 | | | |
Published
| 1996 | | | |
Keywords
| Barium, Copper, Tellurium, Oxide, Crystal Structure | | | |
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| default:Reihe_B/51/ZNB-1996-51b-0465.pdf | | | | Identifier
| ZNB-1996-51b-0465 | | | | Volume
| 51 | |
| 42 | Author
| Z., D. Frerichs, Hk Müller-Buschbaum | Requires cookie* | | | Title
| Synthesis and Crystal Chemistry o f the /3-Form o f a M ixed Zinc Orthoarsenate | | | | Abstract
| Single crystals o f Zn228M g0 72(A s 0 4) 2 have been prepared by C 0 2 L A S E R techniques. The compound crystallizes with monoclinic symmetry space group C 2h-P2j/n and the lattice parameters a = 5.292(2), b = 8.450(3), c = 7.737(3) Ä , ß = 96.33(3)°, Z = 2. Zn2 28M g072(A s O 4) 2 is isotypic to /3-Zn3(A s 0 4)2. The formation of the /3-Zn3(A s 0 4) 2 struc ture instead o f other possible orthoarsenates is discussed. | | | |
Reference
| Z. Naturforsch. 51b, 469—472 (1996); eingegangen am 2. Oktober 1995 | | | |
Published
| 1996 | | | |
Keywords
| Zinc, Magnesium, Arsenic, Oxide, Crystal Structure | | | |
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| default:Reihe_B/51/ZNB-1996-51b-0469.pdf | | | | Identifier
| ZNB-1996-51b-0469 | | | | Volume
| 51 | |
| 44 | Author
| O. Schrandt, Hk Müller-Buschbaum | Requires cookie* | | | Title
| Geordnete Metallverteilung in K B a V 0 4 und K S rV 0 4 mit /?-K2S 0 4-Struktur Ordered Metal Distribution in K B a V 0 4 and K S r V 0 4 Showing p -K 2S 0 4 Structure | | | | Abstract
| Single crystals of K B a V 0 4 (I) and K S rV 0 4 (I I) have been prepared by crystallization from V 20 5 flux. The yellowish crystals show orthorhombic symmetry, space group D'^-Pnma with (I): a = 7.774(2), b = 5.899(1), c = 10.375(2) A , (II): a = 7.400(2), b = 5.812(1), c -9.961(1), Z = 4. Both compounds show an ordered distribution o f K + and Ba2+ and Sr2+ respectively. The different sizes of the K 0 1() and BaOy (S r 0 9) polyhedra are discussed with respect to those of the /3-K2S 0 4 structure, considering the calculations o f the Coulomb terms of lattice energy. | | | |
Reference
| Z. Naturforsch. 51b, 477—480 (1996); eingegangen am 5. September 1995 | | | |
Published
| 1996 | | | |
Keywords
| Potassium, Strontium Barium, Vanadium Oxid, Crystal Structure | | | |
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| default:Reihe_B/51/ZNB-1996-51b-0477.pdf | | | | Identifier
| ZNB-1996-51b-0477 | | | | Volume
| 51 | |
| 45 | Author
| S. Frenzen, Hk Müller-Buschbaum | Requires cookie* | | | Title
| Eine silberhaltige Phase eines Oxoruthenats: A g (MN a2,3Ca4,3R u 0 8 A Silver Containing Phase o f an Oxoruthenate: A g 04N a 23Ca43R u O 8 | | | | Abstract
| Single crystals of A g 04Na23Ca43RuO8 have been prepared by heating Na20 2, CaO and ruthenium in closed silver tubes. Silver took part in the reaction. The crystal structure was investigated by X-ray techniques. A g 04N a2.3Ca43R uO 8 crystallizes with orthorhombic sym metry, space group D^-Cm m m ; a = 9.255(1), b = 6.683(1), c = 6.696(3) Ä , Z = 2. It shows relations to the sodium chloride structure. A statistical distribution of A g + and N a+ can be separated in micro space by splitting one oxygen position to give a dumb-bell like O -A g -O and an octahedral N a 0 6 coordination. | | | |
Reference
| Z. Naturforsch. 51b, 485—488 (1996); eingegangen am 16. Oktober 1995 | | | |
Published
| 1996 | | | |
Keywords
| Silver, Sodium, Calcium, Ruthenium Oxide, Crystal Structure | | | |
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| default:Reihe_B/51/ZNB-1996-51b-0485.pdf | | | | Identifier
| ZNB-1996-51b-0485 | | | | Volume
| 51 | |
| 46 | Author
| Lithiumteilstruktur Von Lithiumnitridtribromid, Und Li6nbr3, Lithiumnitridtriiodid, Li6ni3, Rupert Marx3, Hans Michael, M. Ayerb | Requires cookie* | | | Title
| Darstellung und | | | | Abstract
| Single phase Li6N Br3 was prepared by the reaction of Li3N and dry, OH-free LiBr at 450°C. It is the most bromide rich com pound in the quasi binary system Li3_2.vN 1_*Brv. The crystal structures o f Li6N Br3 and o f isotypic Li6NI3, have been redetermined from neutron powder diffraction data. Both compounds crystallize in the cubic space group Fm3m (No. 225), a(Li6N Br3) = 894.18(7), a(Li6N I3) = 951.7(1) pm with 4 formula units per unit cell. The anion sublattice comprises a rock salt like arrangement of N with one o f the three halogen atoms (H a ll), with the remaining halogen atoms in the resulting N4Hal4 cubes. The structure may be regarded as an ordered A X 3 variation of a body-centered packing. The lithium atoms are disordered over the 96 (distorted) tetrahedral N X 3 holes in such a way that of the four neighbouring, face-sharing NBr3 tetrahedra along an N -H all-connection line only one is occupied. The resulting Li coordination polyhedron around N (and H a ll) is a distorted octa hedron with 6 equidistant Li atoms. Hal2 is surrounded by 12 Li atoms. The Li6NHal3 struc ture may be regarded as an anti-form of the cryolite structure. | | | |
Reference
| Z. Naturforsch. 51b, 525 (1996); eingegangen am 17. Juli 1995 | | | |
Published
| 1996 | | | |
Keywords
| Lithium Nitride Trihalogenide, Preparation, Crystal Structure | | | |
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| default:Reihe_B/51/ZNB-1996-51b-0525.pdf | | | | Identifier
| ZNB-1996-51b-0525 | | | | Volume
| 51 | |
| 47 | Author
| Thomas Kräuter, Bert Werner, Bernhard Neumüller | Requires cookie* | | | Title
| Synthese | | | | Abstract
| und Eigenschaften von Benzylgallium(indium)-Verbindungen. Die Kristallstrukturen von [(PhCH2)2GaBr]2, [(PhCH2)2GaN(H)f-Bu]2 und [PhCH2InCl2(THF)2] Synthesis and Properties o f Benzylgallium(indium) Compounds. The Crystal Structures o f [(PhCH2)2GaBr]2, [(PhCH2)2GaN(H)r-Bu]2 and [PhCH2InCl2(THF)2] (PhCH2)2GaBr (1) can be obtained by the redistribution reaction of GaBr3 with Ga(CH2Ph)3 in a molar ratio 1:2. Treatment of 1 or (PhCH2)2GaCl with one equivalent of LiN(H)/-Bu gives the diorganogallium amide [(PhCH2)2GaN(H)r-Bu]2 (2). The toluene-insoluble PhCH2InCl2 can be structurally investigated after dissolving in THF and crystallization as [PhCH2InCl2(THF)2] (3). 1 -3 were characterized with NMR, IR and MS techniques as well as by X-ray structure determinations. 1 forms two crystallographic independent dimers while 2 is a centrosymmetric dimer in the solid state. 3 is a monomer with a trigonal-bipyramidal coordination sphere at the indium center. | | | |
Reference
| Z. Naturforsch. 51b, 637—645 (1996); eingegangen am 14. September 1995 | | | |
Published
| 1996 | | | |
Keywords
| Gallium Compounds, Indium Compound, Crystal Structure | | | |
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| default:Reihe_B/51/ZNB-1996-51b-0637.pdf | | | | Identifier
| ZNB-1996-51b-0637 | | | | Volume
| 51 | |
| 48 | Author
| Silke Busche, Karsten Bluhm | Requires cookie* | | | Title
| Synthese und Kristallstruktur von Lanthanoidzinkboraten L n Z n ^ O jo) mit Ln = Ce, Nd, Tb Synthesis and Crystal Structure o f Rare Earth Zinc Borates LnZn(B5O ]0) with Ln = Ce, Nd, Tb | | | | Abstract
| Single crystals o f the new compounds LnZn(B5O |0) (Ln = (A) C e3+, (B) N d3+, (C) T b '+) were obtained by using a B 20 3 flux technique. X-ray investigations led to space group C2h-P 2,/n (Nr. 14) with lattice parameters: (A) a = 874.5(1), b = 761.4(1), c = 950.0(1), ß = 92.80(1)°, (B) a = 868.6(2), b = 760.9(2), c = 946.0(2), 0 = 92.9 9 (2)°, (C) a = 858.2(2), b = 760.5(2), c = 939.3(2), ß = 93.56(2)°, Z = 4. The structure is isotypic with C oSm (B 5 O |0) and is characte rized by two-dimensional infinite 2 (B 5 O 10)5_ ions. Ln is tenfold coordinated by oxygen, and Zn2+ occupies distorted Z n 0 6 polyfiedra. | | | |
Reference
| Z. Naturforsch. 51b, 671—6 (1996); eingegangen am 26. Oktober 1995 | | | |
Published
| 1996 | | | |
Keywords
| Rare Earth, Zinc, Borate, Crystal Structure | | | |
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| default:Reihe_B/51/ZNB-1996-51b-0671.pdf | | | | Identifier
| ZNB-1996-51b-0671 | | | | Volume
| 51 | |
| 49 | Author
| Karsten Bluhm, Andre Wiesch | Requires cookie* | | | Title
| Synthese und Kristallstruktur von NiHo2(B20 5)2, das erste Nickellanthanoidborat mit einem ^ (B 20 5)4"-Anion Synthesis and Crystal Structure of NiHo2(B20 5)2, the First Nickel Lanthanoid Borates with a (^ (B 20 5)4" A nion | | | | Abstract
| Single crystals o f N iH o2(B20 5) 2 were prepared by a B20 3 flux-technique in high temperature reactions at 1450 °C and investigated by X-ray diffraction. They crystallize in the space group C 2h-P 2 ,/c (Nr. 14) with a = 451.0(4); b = 724.8(3); c = 938.8(6) pm; ß = 9 1 ,39(1)°; Z = 2. The compound is isotypic to CuTb2(B20 5) 2 as well as to the gadolinite structure (F eY 2 (B e S i0 5)2) and contains a two dimensional infinite anion with the formula 2 (B 2 0 5)4~. The borate layers consist o f four-and eight-membered rings o f edge-sharing B 0 4 tetrahedra. The layers are connected via copper-centered elongated oxygen-octahedra and slightly distorted tetragonal H o 0 8 antiprisms. | | | |
Reference
| Z. Naturforsch. 51b, 677 (1996); eingegangen am 9. November 1995 | | | |
Published
| 1996 | | | |
Keywords
| N ickel, Holmium, Borate, Synthesis, Crystal Structure | | | |
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| default:Reihe_B/51/ZNB-1996-51b-0677.pdf | | | | Identifier
| ZNB-1996-51b-0677 | | | | Volume
| 51 | |
| 50 | Author
| Angeline Stier, Klaus-Jürgen Range | Requires cookie* | | | Title
| Dicyanometallate, VII [1] Darstellung und Kristallstruktur von Gadolinium-tris-dicyanoaurat (I), Gd[Au(CN)2]3-2,3H20 Dicyano Metallates, VII [1] Preparation and Crystal Structure o f Gadolinium-tris-dicyanoaurate (I), Gd[Au(CN)2]3 -2,3H20 | | | | Abstract
| The title compound has been prepared by adding a stoichiometric amount of gadolinium nitrate hexahydrate to an aqueous solution of potassium dicyanoaurate(I). Single crystals could be obtained by slow evaporation from the saturated solution. The compound crystallizes hexa-gonally, space group P-62m, with a = 6.6319(6), c = 9.108(2) Ä, c/a = 1.3734 and Z = 1. The structure comprises layers of considerably bent dicyanoaurate groups. The gold atoms form a nearly regular 3.6.3.6 -Kagome net with a layer sequence AA.. and an Au -Au distanceoof 3.316(2) A, i. e. remarkably shorter than that found in KAu(CN)2 (Au -Au = 3.652(1) Ä). Above and below the gold layers, the terminal nitrogen atoms of the dicyanoaurate groups build up a two-dimensional net work in the a,b plane, thereby creating trigonal-prismatic holes, which are occupied by the gadolinium ions. Up to three water molecules per unit cell complete the coordination sphere around the gadolinium ion to form a tricapped trigonal prism. The analogous compounds with Ln = Sm, Eu, Tb and Dy are obviously isostructural with the Gd compound, as can be inferred from preliminary X-ray studies. | | | |
Reference
| Z. Naturforsch. 51b, 698—702 (1996); eingegangen am 13. Oktober 1995 | | | |
Published
| 1996 | | | |
Keywords
| Gadolinium-fm-dicyanoaurate(I), Preparation, Crystal Structure | | | |
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| default:Reihe_B/51/ZNB-1996-51b-0698.pdf | | | | Identifier
| ZNB-1996-51b-0698 | | | | Volume
| 51 | |
| 51 | Author
| Cheong-HwaKarsten Park, Bluhm | Requires cookie* | | | Title
| Zur Synthese und Kristallstruktur von Bariumboroarsenat Ba(BAs05) mit einem Beitrag über Bariumorthoarsenat Ba3(As04)2 Synthesis and Crystal Structure of Barium Boroarsenate B a(B A s05) with a Contribution on Barium Orthoarsenate Ba3(A s0 4)2 | | | | Abstract
| Single crystals of Ba(BAs05) (I) and Ba3(As04)2 (II) were obtained by melting B20 3, arsenic pentoxide and BaO at 1100°C. Both compounds crystallize trigonally, space groups (I): C3 -P3t (Nr. 144), (II): D3d -R3m (Nr. 166), with the lattice parameters (I): a = 726.7(1), c = 710.6(1) pm, Z = 3 and (II): a = 576.7(1), c = 2116.3(2) pm, Z = 3. Ba(BAsOj) is isotypic to Pb(BAs05) (Stillwellite structure) and Ba3(As04)2 to Ba3(P04)2. The structure of Ba(BAs05) is characterized by helical chains of rings of two borate tetrahedra and one arsenate tetrahedron. Barium is tenfold coordinated by oxygen. A rod-like sequence of coordination polyhedra, A s04-Ba(2)O|0-Ba(1)O|2-Ba(2)O|0-AsO4 is characteristic in the crystal structure of Ba3(A s04)2. | | | |
Reference
| Z. Naturforsch. 51b, 722—726 (1996); eingegangen am 9. November 1995 | | | |
Published
| 1996 | | | |
Keywords
| Barium Arsenic, Borate, Synthesis, Crystal Structure | | | |
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| default:Reihe_B/51/ZNB-1996-51b-0722.pdf | | | | Identifier
| ZNB-1996-51b-0722 | | | | Volume
| 51 | |
| 52 | Author
| Universität Dortmund | Requires cookie* | | | Title
| | | | | Abstract
| Phenylsulfinic acid C6Fr5S 0 2H crystallizes in the orthorombic space group Pna21, a = 734.3(4), b = 579.9(5), c = 1476.5(9) pm, with four formula units per unit cell. The configuration of the sulfur atom is pyramidal. The molecules form infinite chains via strong hydrogen bonds. The Raman spectra of CA H5S 0 2H and C6H5SOCl are reported and discussed. Uber die Kristallstruktur der Phenylsulfinsäure C6H5S 0 2H [11] | | | |
Reference
| Z. Naturforsch. 51b, 739—743 (1996); eingegangen am 22. September 1995 | | | |
Published
| 1996 | | | |
Keywords
| Phenylsulfinic Acid, Crystal Structure, Raman Spectra | | | |
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| default:Reihe_B/51/ZNB-1996-51b-0739.pdf | | | | Identifier
| ZNB-1996-51b-0739 | | | | Volume
| 51 | |
| 53 | Author
| | Requires cookie* | | | Title
| H | | | | Abstract
| ig h P re ssu re S y n th esis a n d S in g le-C ry stal S tru c tu re R e fin e m e n t o f C alciu m A u ra te (I II) , C a A u 20 4 A n ja L o u zik o v a, K la u s-Jü rg e Single crystals of calcium aurate(III), CaAu20 4, were obtained by high-pressure treatment of a C a0/A u20 3/K 0 2 mixture at 40 kbar, 1200 °C in a modified Belt-type apparatus. The crystals are tetragonal, space group 14j/a, with a = 5.9868(7), c = 10.043(1) A, c/a = 1.678 and Z = 4. CaAu20 4 is isostructural with LaPd20 4, SrAu20 4 and BaAu20 4. Its structure comprises square-planar A u 0 4 groups (< A u -0 > = 2.007 A), which are stacked into columns along [100] and [010], These columns are connected by shared corners forming a three-dimensional framework. The Ca ions are situated in tunnels created by the gold-oxygen partial structure. They are surroun ded by eight oxygen atoms (< C a -0 > = 2.490 A) in a slightly distorted dodecahedron. | | | |
Reference
| Z. Naturforsch. 51b, 747—750 (1996); eingegangen am 14. November 1995 | | | |
Published
| 1996 | | | |
Keywords
| Calcium Aurate(III), High-Pressure Synthesis, Crystal Structure | | | |
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| default:Reihe_B/51/ZNB-1996-51b-0747_n.pdf | | | | Identifier
| ZNB-1996-51b-0747_n | | | | Volume
| 51 | |
| 55 | Author
| Z. Naturforsch | Requires cookie* | | | Title
| Ligand Influences on the Supramolecular Chemistry of Simple Gold(I) Complexes: Mononuclear (Isonitrile)gold(I) Complexes | | | | Abstract
| A series of (isonitrile)gold(I) complexes has been synthesized: (MeNC)AuX (X = Cl la, I lc), (f-BuNC)AuBr 2b. (PhNC)AuX (X = Cl 3a. Br 3b. I 3c. SCN 3d), (MesNC)AuCl 4a [mes=mesityl], and (Me0 C(0)CH2NC)AuX (X = Cl 5a. Br 5b. I 5c. SCN 5d). The chlorides were prepared by the reaction of (M e2S)AuCl with equimolar amounts (or with an excess) of the corresponding isonitrile. The bromides, iodides and thiocyanates were obtained from the reaction of (RNC)AuCl with K+X -(X = Br, I, SCN) in the two-phase system H2O/CH2CI2. The molecular and crystal structures of la. 2b. 3a-c, 4a, and 5a-c have been determined by X-ray diffraction methods. In the solid state the molecules are aggregated through short A u-A u contacts into dimers (4a and 5c), chains (la , 2b and 3a-c) or sheets (5a and 5b). The influence of the isonitrile and halide ligands on the type and strength of the intermolecular A u-A u contacts is discussed. I n tro d u c tio n | | | |
Reference
| Z. Naturforsch. 51b, 790—800 (1996); received December 22 1995 | | | |
Published
| 1996 | | | |
Keywords
| Gold(I) Complexes, Isonitrile Complexes, Auriophilicity, Crystal Structure | | | |
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| default:Reihe_B/51/ZNB-1996-51b-0790.pdf | | | | Identifier
| ZNB-1996-51b-0790 | | | | Volume
| 51 | |
| 56 | Author
| V- | Requires cookie* | | | Title
| Zwei monokline Kupfer-Oxovanadate des Magnesiums mit geordneter Metallverteilung: /w-Mg2CuV20 8 und MgCu2V20 8. Ein Beitrag zur Dimorphie von Mg2CuV2Os Two Monoclinic Copper Oxovanadates of Magnesium Showing Ordered Metal Distribution: m-Mg9CuV-,08 and MgCu | | | | Abstract
| Single crystals of ra-Mg2CuV20 8 (I) and MgCu2V20 8 (II) have been prepared by solid state reactions. The orange (I) and dark red (II) crystals show monoclinic symmetry, space group C2h -P2,/c, (I): a = 6.167(3), b = 8.172(5), c = 6.400(8) Ä, ß = 116.22(3)°, Z = 2; (II): a = 6.453(1), b = 8.342(2), c = 11.517(2) Ä, ß = 90.44(2), Z = 4. Both compounds show ordered metal distributions and vanadium in tetrahedral coordination by oxygen. (I) is characterized by elongated C u06 octahedra and (II) by trigonal C u 0 5 bipyramids. ra-Mg2CuV20 8 is the low temperature form of the formerly investigated orthorhombic o-Mg2CuV2Ö8. Calculations of the Coulomb parts of the lattice energy of the two crystal forms are discussed. | | | |
Reference
| Z. Naturforsch. 51b, 817—821 (1996); eingegangen am 4. Dezember 1995 | | | |
Published
| 1996 | | | |
Keywords
| Magnesium, Copper, Vanadium Oxide, Crystal Structure | | | |
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| default:Reihe_B/51/ZNB-1996-51b-0817.pdf | | | | Identifier
| ZNB-1996-51b-0817 | | | | Volume
| 51 | |
| 57 | Author
| S. Frenzen, Hk Müller-Buschbaum | Requires cookie* | | | Title
| Zur Kristallchemie eines Natrium-Cadmium-Oxoiridats: Na3Cd2lr06 On the Crystal Chemistry of a Sodium Cadmium Oxoiridate: Na3C d-Jr06 | | | | Abstract
| Single crystals of Na3Cd2Ir0 6 have been prepared by crystallization from melts in closed silver tubes. The crystal structure was investigated by X-ray techniques. Na^Cd^IrOf, crystallizes with monoclinic symmetry, space group Cih-C2/m; a = 5.663(2), b = 9.783(3), c = 5.689(2) A, ß = 109.95(2)°, Z = 2. It is isotypic to M+5A7+0 6 (M = Li, Na; A = Re, Os) and shows relations to the sodium chloride structure in spite of an ordered distribution of Na+, Cd2+ and Ir5+. | | | |
Reference
| Z. Naturforsch. 51b, 822—825 (1996); eingegangen am 29. November 1995 | | | |
Published
| 1996 | | | |
Keywords
| Sodium, Cadmium, Iridium Oxide, Crystal Structure | | | |
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| default:Reihe_B/51/ZNB-1996-51b-0822.pdf | | | | Identifier
| ZNB-1996-51b-0822 | | | | Volume
| 51 | |
| 58 | Author
| R.Alf Feldhaus, JensK. Öppe, R. Ain, ErM. Attes | Requires cookie* | | | Title
| Komplexe eines vierzehngliedrigen Tetraazadibenzo | | | | Abstract
| Makrocyclus. Strukturen des freien und zweifach protonierten Liganden und seiner Nickel(II)-, Kupfer(II)-, Zink(II)-und Palladium(II)-Komplexe C om plexes of a 14-M em bered N 4 D ibenzo M acrocycle. Crystal S tructures of the Free and D ip ro to n ated Ligand and of its N ickel(II), C o p p er(II), Z in k (II) and P alladium (II) C om plexes The synthesis and structural characterisation of complexes of the 14-membered macrocy clic trans-N4 dibenzo ligand 5,6,7,8,9,14.15,16,17,18-decahydrodibenzo[e,l][l,4, 8,1 l]-tetraaza-cyclotetradecine (L2) is described. The crystal structures of six compounds were determined by single crystal X-ray diffraction. The free ligand L2 has a saddle-shaped structure with short intramolecular hydrogen bonds. The N —N distances are 289 pm. The diprotonated species [H2L2]2+ has a different conformation due to intra-and intermolecular hydrogen bonds. TTie ligand is folded along an N —N axis in c/s-[Ni(L2)(H 20) 2]2+, but displays a saddle shaped structure in the Cu(II), Z n(II) and Pd(II) complexes with a more or less planar arrangem ent of the four N donor atoms. The metal atoms are incorporated within the macro-cyclic cavity in [Cu(L2)(CF3S03)]+ and [Pd(L2)]2+. The metal-to-nitrogen bond lengths herein are rather small. Zn(II) is five-coordinate in [Zn(L2)(Cl)]+. The coordination polyhedron is intermediate between a trigonal bipyramid and a square pyramid. In all complexes the metal-to-ligand distances originating at the nitrogen atoms in /^-position (with respect to the arom a tic ring) are significantly shorter then the donor bonds of the 1 anilinic' N atoms. | | | |
Reference
| Z. Naturforsch. 51b, 869—878 (1996); eingegangen am 6. November 1995 | | | |
Published
| 1996 | | | |
Keywords
| Macrocyclic N4-Donor Ligands, Transition Metal Complexes, Crystal Structures | | | |
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| default:Reihe_B/51/ZNB-1996-51b-0869.pdf | | | | Identifier
| ZNB-1996-51b-0869 | | | | Volume
| 51 | |
| 59 | Author
| Utzolino, Karsten Bluhm | Requires cookie* | | | Title
| A nne | | | | Abstract
| The compounds M nCo(B20 ?) (I) and M nM g(B20 5) (II) were prepared by using B20 3 flux techniques in an argon atmosphere. X-ray investigations on single crystals showed triclinic symmetry, space group C' -P i, I: a = 320.94(10), b = 619.20(11), c = 939.0(2) pm, a = 104.38(2)°, ß = 90.76(2)°, 7 = 92.046(14)° and II: a = 318.97(7), b = 619.8(2), c = 936.7(2) pm, q = 104.47(2)°, ß = 90.60(2)°, 7 = 91.98(2)° Z = 2. Their structures are isotypic with C o2(B20 5). All metal ions are octahedrally coordinated by six oxygen atoms. The structures contain diborate anions B ^ 4 -. Each boron atom is threefold coordinated by oxygen. Synthese und Kristallstruktur von manganhaltigen Pyroboraten: MnCo(B20 5) und MnMg(B20 5) | | | |
Reference
| Z. Naturforsch. 51b, 912—916 (1996); eingegangen am 25. Januar 1996 | | | |
Published
| 1996 | | | |
Keywords
| Manganese, Cobalt Magnesium, Pyroborate Crystal Structure, X-Ray | | | |
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| default:Reihe_B/51/ZNB-1996-51b-0912.pdf | | | | Identifier
| ZNB-1996-51b-0912 | | | | Volume
| 51 | |
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