| | 42 | Author
| M. Veith | Requires cookie* | | | Title
| Cyclische Diazastannylene, VIII [1] Die Kristall-und Molekülstruktur eines Iminostannylens: Sn3 (NC(CH3 )3 )4 H2 Cyclic Diazastannylenes, VIII [1] The Crystal and Molecular Structure of an Iminostannylene: Sn3(NC(CH3)3)4H2  | | | | Abstract
| The crystal and molecular structure of the compound Sn3(NC(CH3)3)4H2 has been determined from X-ray data (R = 0.044). The crystals are cubic, space group Pa3, with cell dimension a — 1713.6(8) pm and Z = 8. The molecules, which have a seco-norcubane like Sn3N4 framework, are statistically disordered, thus forming closed packed pairs of molecules. The Sn3N4 cage deviates strongly from a cube, the bond angles at Sn approach-ing 80°, and at N 100°. The averaged Sn-N bond distance is 223(1) pm. | | | |
Reference
| (Z. Naturforsch. 35b, 20—24 [1980]; eingegangen am 3. September/8. Oktober 1979) | | | |
Published
| 1980 | | | |
Keywords
| Iminostannylenes, X-ray, Crystal Structure, Molecular Structure, Disorder | | | |
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| default:Reihe_B/35/ZNB-1980-35b-0020.pdf | | | | Identifier
| ZNB-1980-35b-0020 | | | | Volume
| 35 | |
| 43 | Author
| Olli Orama, Ulrich Schubert, FritzRoland Kreißl, ErnstOtto Fischer | Requires cookie* | | | Title
| Übergangsmetall-Carbin-Komplexe, LVI [1] Umsetzung eines kationischen Carbin-Komplexes mit einem Carbonylmetallat. Der Phenylketenyl-Rest als Briickenhgand Transition Metal Carbyne Complexes, LVI [1] Reaction of a Cationic Carbyne Complex with a Carbonylmetalate. The Phenylketenyl Group as a Bridging Ligand | | | | Abstract
| By reaction of [(jr^HsHCOfeMnEEC-CeHslBCLi with NaRe(CO)5 a new type of complex is obtained. It crystallizes in the monoclinic space group P 2i/c, Z = 4, a — 1115(1), b= 1464(1), c= 1657(2) pm, ß= 136.79(8)°. Structure determination reveals a binuclear complex, the Mn-Re bond (281.7(3) pm) of which is bridged by the a-carbon atom of a phenylketenyl group (Mn-C 221(3), Re-C 224(3) pm) and semi-bridged by a CO group (Mn-C 187(4), Re-C 254(4), Mn-C-0 160(3)°). | | | |
Reference
| (Z. Naturforsch. 35b, 82—85 [1980]; eingegangen am 2. Oktober 1979) | | | |
Published
| 1980 | | | |
Keywords
| Carbyne Complex, X-ray, Metal-Metal Bond | | | |
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| default:Reihe_B/35/ZNB-1980-35b-0082.pdf | | | | Identifier
| ZNB-1980-35b-0082 | | | | Volume
| 35 | |
| 45 | Author
| Il-Hwan Suh, Gabriela Weber, Menachem Kaftory, Wolfram Saenger, Heinz Sieger, Fritz Vögtle | Requires cookie* | | | Title
| Structural Change of a Linear Polyether upon Complex Formation. l.ll-Bis(2-acetylaminophenoxy)-3.6.9-trioxaundecane and its KSCN Complex" | | | | Abstract
| The title compound (1) was crystallized as free ligand and as its (1 • KSCN)2 • H20 complex. Crystallographic data are, for the former: space group C 2/c, a — 31.110(9), b = 4.608(4), c = 17.188(6) A, ß = 105.27(8)°, Z = 2, Dm = 1.25 gem-3 ; for the latter: space group P2i, a = 11.044(3), b = 18.310(4), c = 14.485(4) Ä, ß = 97.49(2)°, Z = 4, Dm = 1.27 gem -3 . Crystal structures were solved by direct methods using X-ray diffrakto-meter data and least squares refinements converged at 10.8% for 1 and at 7.6% for (1 • KSCN)2 • H20. The free ligand (1) is S-shaped and, upon K+-complexation, changes signs of some gauche O-C-C-O torsion angles while C-C-O-C angles remain trans. In (1 • KSCN)2 • H20, there are two complex molecules 1 A • KSCN • H20 (I) and 1 B • KSCN (II). The ligands are wrapped circularly around K + and coordinated with only four of the five polyether oxygens. K+ interacts further with H20 in (I) and with N of SCN~ in II and, in both complexes, with acetylamino oxygen of adjacent 1. The latter interaction leads to polymeric structures not observed previously for similar complexes. | | | |
Reference
| Z. Naturforsch. 35b, 352—359 (1980); received November 28 1979 | | | |
Published
| 1980 | | | |
Keywords
| Polyether, KSCN Complex, Polymer Formation, X-ray | | | |
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| default:Reihe_B/35/ZNB-1980-35b-0352.pdf | | | | Identifier
| ZNB-1980-35b-0352 | | | | Volume
| 35 | |
| 46 | Author
| Michael Kopp, LuiseR. Krauth, Richard Ratka, Klaus Weidenhammer, ManfredL. Ziegler | Requires cookie* | | | Title
| Darstellung und Charakterisierung von 1.4-und 1.5-Dienkomplexen des Platins | | | | Abstract
| Röntgenstrukturanalyse von Diehloro-2.5-diphenyl-1.5-hexadienplatin(II), Cl2Pt((C6H5)2C6H8) Preparation and Characterization of 1,4-and 1,5-Diene Complexes of Platinum; X-ray Analysis of Dichloro-2,5-diphenyl-l,5-hexadiene Platinum(II), ((C^P^CöHs^CßHs) The reaction of cis-(C6H5CN)2PtCl2 and Na2PtCl4 with the dienes 1,4-pentadiene and 2,5-diphenyl-l,5-hexadiene yields the species eis-(1,4-pentadiene) PtCl2 and cis-(2,5-diphenyl-l,5-hexadiene)PtCl2, respectively. The compounds have been fully characterized by elemental analysis, IR, 1 H-NMR, mass spectroscopy and by X-ray methods. | | | |
Reference
| Z. Naturforsch. 35b, 802—807 (1980); eingegangen am 29. Februar 1980 | | | |
Published
| 1980 | | | |
Keywords
| Synthesis, Characterization, X-ray, Diene Complexes of Platinum | | | |
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| default:Reihe_B/35/ZNB-1980-35b-0802.pdf | | | | Identifier
| ZNB-1980-35b-0802 | | | | Volume
| 35 | |
| 47 | Author
| HeinzDieter Lutz, SalehM. El-Suradi, Christiane Mertins, Bernward Engelen | Requires cookie* | | | Title
| Zur Kenntnis der Hydrate des Mangan-und Zinksulfits. Röntgenographische, thermoanaly tische, Raman-und IR-spektroskopische Untersuchungen | | | | Abstract
| X-ray, IR and Raman data as well as thermoanalytical measurements (DTA, TG, and DTG) of several new hydrates, viz. MnS03 • 2 1 /z H20, MnS03 • 2 H20, ZnS03 • 3 H20, /S-ZnS03 • 2 1 /2 H20, and y-ZnS03 • 2 x /2 H20, and of previously reported hydrates in the systems MnS03-H20, ZnS03-H20, and MnS03-ZnS03-H20 are presented. Furthermore, the formation of mixed crystals is studied in the system MnS03-ZnS03-H20. The following crystal data have been determined by single crystal measurements: MnS03 • 2 1 /2 H20 (P4i2i2):a = b = 968.4(1), c = 1040.9(1) pm, Z = 8, MnS03 • 2 H20 (P2i/w):a = 650.9(1), b = 873.8(1), c = 774.7(1) pm, ß = 99.80(1)°, Z = 4, ZnS03 • 3 H20 (Pnma): a = 953.6(1), b = 553.0(1), c = 941.9(1) pm, Z = 4, ß-ZnS03 • 21/2 H20 (P4i2!2): a = b = 952.1(1), c = 1025.4(1) pm, Z = 8, y-ZnS03 • 2 X \2 H20 (with small amount of Mn 2 +) (o-rh.): a = 1493(1), b = 1812(2), c = 753(1) pm, Z = 16, ZnS03 • 1/2 H20 (mon.): a = 1326.7(5), b = 706.3(2), c = 834.4(1) pm, ß = 117.41(3)°, Z = 8. The IR spectra show that, with the exception of y-ZnS03 • 2 x /2 H20, both weak and strong hydrogen bonds are present in the sulfite hydrates. Under an S02 atmosphere the sulfite hydrates can be dehydrated without simultaneous dissociation to the oxide and sulfur dioxide. The isotypic hydrates /?-MnS03 • 3 H20 and ZnS03 • 3 H20 (ß-MnSÖ3 • 3 H20 type), and MnS03 • 2 H20 and ZnS03 • 2 H20 (ZnSe03 • 2 H20 type) form complete mixed crystal series. Solid solutions are also formed from a-MnS03 • 3 H20 (a-FeS03 • 3 H20 type), y-ZnS03 • 2 l /2 H20, MnS03 • 1 H20, and ZnS03 • 1 /2 H20. No incorporation of Mn or Zn could be observed for a-ZnS03 • 2Va H20 and the isotype hydrates MnS03 • 2!/a H20 and ß-ZnS03 • 2 1 /2 H20 (CoS03 • 21/2 H20 type). | | | |
Reference
| Z. Naturforsch. 35b, 808—816 (1980); eingegangen am 17. Dezember 1979 | | | |
Published
| 1980 | | | |
Keywords
| Sulfite, Hydrates, Manganese, Zinc, X-ray | | | |
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| default:Reihe_B/35/ZNB-1980-35b-0808.pdf | | | | Identifier
| ZNB-1980-35b-0808 | | | | Volume
| 35 | |
| 48 | Author
| Manfred Fild, Wolfgang Handke, WilliamS. Sheldrick | Requires cookie* | | | Title
| Methylen Verbindungen von Nichtmetallen, III [1] Metallcarbonyl-Komplexe mit methylenverbrückten Diphosphor-Liganden Methylene Compounds of Non-Metals, III [1] Metal Carbonyl Complexes of Methylene-Bridged Diphosphorus Ligands | | | | Abstract
| Compounds of the type R2PCH2PR2 (R = Pr«0, Me2N) react with cis-LM(CO)4 (L = Bicyclo[2,2,l]hepta-2,5-dien; M = Cr, Mo, W) complexes to yield cis-substituted [R2PCH2PR2]M(CO)4 derivatives. The structure of the molybdenum compound, [(Pr i O)2PCH2P(OPr i)2]Mo(CO)4, has been determined. Diphosphorus ligands of the type R2P(S)CH2PR2 (R = F, Pr*0) are monodentate and form [R2P(S)CH2PR2]2Mo(CO)4 complexes, whereas the compound (Me2N)2P(S)CH2P(NMe2)2 acts as a bidentate ligand. | | | |
Reference
| Z. Naturforsch. 35b, 838—842 (1980); eingegangen am 20. Februar 1980 | | | |
Published
| 1980 | | | |
Keywords
| Metal Carbonyls, Diphosphorus Ligands, X-ray | | | |
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| default:Reihe_B/35/ZNB-1980-35b-0838.pdf | | | | Identifier
| ZNB-1980-35b-0838 | | | | Volume
| 35 | |
| 49 | Author
| JohannesC P M Lapidaire, AnthoniJ. De Kok | Requires cookie* | | | Title
| Dodecamethyl Bisimidotriphosphoramide (TRIPA), Part III [1, 2] The Crystal and Molecular Structure of TRIPA H20 | | | | Abstract
| The crystal and molecular structure of dodecamethyl bisimidotriphosphoramide mono-hydrate (TRIPA • H2O, C12H38N7O4P3) has been determined by single crystal X-ray diffraction techniques. The compound crystallises in the monoclinic system, space group P2i/n with a = 9.236(3), b = 14.016(4), c = 17.534(5) A, ß = 97.32(4)°, Z = 4. The building units are dimers of TRIPA • H2O. These units are separated by normal van der Waals distances. The two molecules in the dimer are connected by four hydrogen bridges involving two water molecules. The nitrogen atoms display a nearly planar hybridisation. | | | |
Reference
| Z. Naturforsch. 35b, 1203—1206 (1980); received May 19 1980 | | | |
Published
| 1980 | | | |
Keywords
| TRIPA, X-ray, Tridentate Ligand, Phosphoryl Compound | | | |
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| default:Reihe_B/35/ZNB-1980-35b-1203.pdf | | | | Identifier
| ZNB-1980-35b-1203 | | | | Volume
| 35 | |
| 50 | Author
| K. K. Chacko, W. Saenger | Requires cookie* | | | Title
| Crystal and Molecular Structure of l,ll-bis(Tropolone)-3,6,9-trioxaundecane * Rbl a | | | | Abstract
| The complex between the polyether ligand l,ll-bis(tropolone)-3,6,9-trioxaundecane and Rbl crystallizes in space group P2i/c with cell dimensions a — 11.383(4), b = 14.493(5), c = 16.122(6) A and ß = 111.02(5)° with Z = 4. The structure was solved on the basis of 3734 X-ray reflections measured on a diffractometer with CuKa-radiation and refined to an R of 0.101. The polyether wraps around the Rb + in a circular structure. One of the tropolone rings is elevated in order to avoid collision. Rb + is located 1.224(6) A above the plane formed by five oxygen atoms of the ligand, it is coordinated to I -(3.666(2)Ä) and to all oxygens. The Rb+ • • • O distances of the least electronegative "ester oxygens", 3.14(1) A and 3.18(1) A are significantly longer compared to the other Rb+---0 distances in the range 2.81(1) A to 3.08(1) A. The conformation about the C-C and C-0 bonds of the ligand are gauche and trans as generally found in such molecules. The two tropolone seven-membered rings are slightly non-planar and display an envelope-type structure. | | | |
Reference
| Z. Naturforsch. 35b, 1533—1537 (1980); received August 7 1980 | | | |
Published
| 1980 | | | |
Keywords
| Polyether, Tropolone, Rbl Complex, X-ray | | | |
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| default:Reihe_B/35/ZNB-1980-35b-1533.pdf | | | | Identifier
| ZNB-1980-35b-1533 | | | | Volume
| 35 | |
| 51 | Author
| M. Pušelj, Z. Ban | Requires cookie* | | | Title
| Ternäre Gamma-Messing Phasen in den Systemen Calcium-M IB(IIB) -Quecksilber New Ternary Gamma-Brass Phases in the Systems Ca-M iB(nB)_Hg | | | | Abstract
| A series of new ternary intermetallic com-pounds of the general composition CaißMi8IB(IlB)_Hg18 (M = Zn, Cd, Hg, Cu, Ag and Au) has been identified. The X-ray powder diffraction patterns were indexed on a basis of primitive cubic unit cells. From the X-ray data and density measure-ments it is concluded that these phases belong to the partially disordered (Ml B (HB) and Hg) gamma-brass structure type D83. | | | |
Reference
| Z. Naturforsch. 35b, 1594—1595 (1980); eingegangen am 18. Juli 1980 | | | |
Published
| 1980 | | | |
Keywords
| Crystal Structure, Mercury, Amalgams, X-ray, Calcium | | | |
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| default:Reihe_B/35/ZNB-1980-35b-1594_n.pdf | | | | Identifier
| ZNB-1980-35b-1594_n | | | | Volume
| 35 | |
| 52 | Author
| Joachim Fuchs, Axel Thiele, Rosemarie Palm | Requires cookie* | | | Title
| Strukturen und Schwingungsspektren des Tetramethylammonium -a -dodekawolframatosilikats und des Tetrabutylammonium-/?-dodekawolframatosilikats Structures and Vibrational Spectra of Tetramethylammonium a-Dodecatungstosilicate and Tetrabutylammonium /?-Dodecatungstosilicate | | | | Abstract
| Dodecatungstosilicates free of crystal water were prepared for the first time by using tetraalkylammonium as cation. The crystal structure of the tetramethylammonium a-dodeeatungstosilicate [N(CH3)4]4SiWi2C>4o (1) and tetrabutylammonium)S-dodecatungs-tosilicate, [N(C4H9)4]4SiWi204o (2) were solved by X-ray diffraction. (1) crystallizes tetragonal in the space group 14 with lattice parameters a = 14.642 A; c= 12.706 A; (2) orthorhombic, space group P2i2x2i with a = 29.277 A, b = 22.181 A and c = 15.381 A. The differences between the two isomeric heteropolyanions are discussed, especially the distances and angles between the tungsten atoms. Comparison of characteristic differences in the vibrational spectra permits the identifica-tion of the isomeric anions. | | | |
Reference
| Z. Naturforsch. 36b, 161—171 (1981); eingegangen am 22. Oktober 1980 | | | |
Published
| 1981 | | | |
Keywords
| Dodecatungstosilicates, Isomers, X-ray, Vibrational Spectra | | | |
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| default:Reihe_B/36/ZNB-1981-36b-0161.pdf | | | | Identifier
| ZNB-1981-36b-0161 | | | | Volume
| 36 | |
| 53 | Author
| H. Kisch, C. Krüger, A. Trautwein | Requires cookie* | | | Title
| Übergangsmetallkomplexe von Diazenen, XVI [1] Struktur und Mößbauerdaten von (2.3-Diazanorbornen)Fe3(CO)9 Transition Metal Complexes of Diazenes, XVI [1] Structure and Mössbauer Data of (2,3-Diazanorbornene)Fe3(CO)g | | | | Abstract
| The molecular structure of (2,3-diazanorbornene)Fe3(CO)9 consists of a triangular Fe3(CO)g group bound to the diazene unit. The seven-coordinated Fe(CO)3 group forms two Fe-N bonds with lengths of 1.974 and 1.965 Ä, each of the two six-coordinated Fe(CO)3 groups has slightly shorter Fe-N-bonds of 1.898 and 1.903 Ä. One Fe-Fe distance, 2.612Ä, is longer than the two other ones, 2.572 and 2.582 A, which are in the range of typical single bonds. The presence of seven-and six-coordinated iron carbonyl groups is also demonstrated by the Mössbauer spectrum showing signals with quadrupole splittings of 1.23 and 0.78, 0.62 ± 0.01 mm/s, respectively. | | | |
Reference
| Z. Naturforsch. 36b, 205—207 (1981); eingegangen am 2. Dezember 1980 | | | |
Published
| 1981 | | | |
Keywords
| Diazenes, Iron Cluster, X-ray, Mössbauer Data | | | |
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| default:Reihe_B/36/ZNB-1981-36b-0205.pdf | | | | Identifier
| ZNB-1981-36b-0205 | | | | Volume
| 36 | |
| 55 | Author
| Heindirk Tom Dieck, Michael Svoboda, Thomas Greiser | Requires cookie* | | | Title
| Bis | | | | Abstract
| (diazadien)metall(0)-Komplexe, IV [1] Nickel(0)-bis(chelate) mit aromatischen N-Substituenten Bis(diazadiene)metal(0) Complexes, IV [1] Nickel(0)-bis(chelates) with Aromatic N-Substituents R1R2 With N-aromatic substituted diazadienes (DAD) R 3 -N=C—C = N-R 4 (R 1 , R 2 = H, CH3 and R 3 = R 4 = aryl) nickel(O) forms complexes of composition (DAD)2Ni which are prepared preferably by reduction of Ni(II) salts in the presence of DAD. The groups R 1 , R 2 and/or the o-substituents of the aryl system determine the conformation of the DAD and its sterical ligand properties. An X-ray structure analysis of (DAD)2Ni 17 (DAD = glyoxal-bis(2,6-dimethyl-phenylimine)) shows a dihedral angle of 44° between the two chelate planes. With twisted N-aryl substituents nickel seems to prefer planar coordination (formal low spin Ni(II)) of two DADs over tetrahedrally coordinated formal nickel(O) state. | | | |
Reference
| Z. Naturforsch. 36b, 823—832 (1981); eingegangen am 27. Mai 1980 | | | |
Published
| 1981 | | | |
Keywords
| Diazadien Nickel Complexes, Planar ^ Tetrahedral Interconversion, X-ray | | | |
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| default:Reihe_B/36/ZNB-1981-36b-0823.pdf | | | | Identifier
| ZNB-1981-36b-0823 | | | | Volume
| 36 | |
| 57 | Author
| Werner Kruppa, Dieter Bläser, Roland Boese, Günter Schmid | Requires cookie* | | | Title
| Heteronucleare Clustersysteme, XX [1] ^3-Bi8mutio-cyclo-tris(tricarbonyliridium) (3 Ir-Ir), BiIr3(CO)9 Darstellung und Strukturuntersuehung eines neuartigen Iridiumclusters Heteronuclear Cluster Systems, XX [1] iM3-Bismutio-cyclo-tris(tricarbonyliridium)(3Ir-Ir), BiIr3(C0)g - Synthesis and Structural Investigation of a Novel Iridium Cluster | | | | Abstract
| The synthesis of BiIr3(CO)9 is described. IR and mass spectroscopic data are discussed. The structure of BiIr3(CO)9 was solved by X-ray analysis. The structural data are discussed and compared with those of the related compounds Ir4(CO)i2 and Bi[Co(CO)4]3, respec-tively. | | | |
Reference
| Z. Naturforsch. 37b, 209—213 (1982); eingegangen am 29. September 1981 | | | |
Published
| 1982 | | | |
Keywords
| Iridium Cluster, Bismuth Cluster, Synthesis, X-ray | | | |
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| default:Reihe_B/37/ZNB-1982-37b-0209.pdf | | | | Identifier
| ZNB-1982-37b-0209 | | | | Volume
| 37 | |
| 58 | Author
| Werner Winter, AntonThomas Butters, Rieker, Yasuo Butsugan | Requires cookie* | | | Title
| Synthesis and Structure of l,2-Bis(2,4,6-tri-fert-butylphenyl)ethane | | | | Abstract
| The title compound 9, C38H62, was prepared by dehalogenation of 2,4,6-tri-£er£-butyl-benzyl chloride (7a). It crystallizes in the monoclinic space group C2/c with Z = 4. a = 10.923(7), b = 17.910(3), c = 17.395(3) A and ß = 91.87(3)° (the cell constants refer to 173 K). The structure was solved by direct methods and refined by full-matrix least squares to 7? = 0.073 for all 3853 reflexions (|Fo| > 0). On account of steric repulsions, the central ethane bond, which lies on a twofold crystallographic axis, is stretched to 1.567(4) A. Close packing of the molecules in layers parallel the ac-plane leads to boat-deformations of the benzene rings. Room-temperature data sets of weakly diffracting crystals [a = 10.948(0), b= 17.97(1), c= 17.52(2) and ß = 91.9(1)°] do not give rise to an artificial shortening of the central ethane bond of 9. Evidently, poor data quality or lack of resolution have not to be considered as an explanation for the unusual short ethane bond [1.47(3) A] in the first undamped hexaphenylethane [Stein, Winter, and Rieker (1978)]. Historical Background | | | |
Reference
| Z. Naturforsch. 37b, 855—862 (1982); received March 15 1982 | | | |
Published
| 1982 | | | |
Keywords
| X-ray, Steric Hindrance, Hindered Ethanes | | | |
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| default:Reihe_B/37/ZNB-1982-37b-0855.pdf | | | | Identifier
| ZNB-1982-37b-0855 | | | | Volume
| 37 | |
| 59 | Author
| Gabriela Weber | Requires cookie* | | | Title
| A 1:1 Host-Guest Complex between ('18-crown-6') and m-Nitroaniline: Mere Stoicheiometry or a Genuine 1:1 Adduct ? | | | | Abstract
| The stoicheiometrically 1:1 adduct of 1,4,7,10,13,16-hexaoxa-cyclooctadecane with m-nitroaniline, C18H30N2O8, Mr = 402.45, crystallises from toluene in red-orange prisms, (probable) space group Pi, a = 801.8(3), b = 920.4(3), c = 1403.3(4) pm, a = 80.40(4), ß = 79.79(4), y = 85.95(3)°, V = 1.07910 nm 3 , Z = 2, dcaic. = 1.238 Mgm~ 3 . Structure refinement converged at R = 0.060 (Rw = 0.002) for 2915 diffractometer data. | | | |
Reference
| Z. Naturforsch. 37b, 1250—1254 (1982); received March 22 1982 | | | |
Published
| 1982 | | | |
Keywords
| Crown Ether, m-Nitroaniline, H Bridges, X-ray | | | |
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| default:Reihe_B/37/ZNB-1982-37b-1250.pdf | | | | Identifier
| ZNB-1982-37b-1250 | | | | Volume
| 37 | |
|
