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101Author    R. Kipka, Hk Müller-BuschbaumRequires cookie*
 Title    Über Oxocuprate, XVI Ba9Cu7015Cl2 mit Cu 2+ in neuer Koordination About Oxocuprates, XVI Ba9Cu7015Cl2 with Cu 2+ in a New Coordination  
 Abstract    Single crystals of BagC^OisC^ were prepared and investigated by X-ray diffraction methods. They crystallize with hexagonal symmetry (a =1125.7; c = 585.3 pm, Space group D|h-P6/mmm). Cu 2 + has the well-known square 0 2--coordination. The squares are connected to rings of 6-fold symmetry. Another Cu 2+ has a so for unknown coordination of 12 0 2 ~-neighbours. The differences in respect of other oxohalogenocuprates are discussed. 
  Reference    (Z. Naturforsch. 31b, 1067—1069 [1976]; eingegangen am 24. März 1976) 
  Published    1976 
  Keywords    Barium, Copper Oxide Chloride, Crystal Structure 
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 TEI-XML for    default:Reihe_B/31/ZNB-1976-31b-1067.pdf 
 Identifier    ZNB-1976-31b-1067 
 Volume    31 
102Author    Jürgen Weis, Herbert Schäfer, Günter SchönRequires cookie*
 Title    Neue ternäre Telluride und Selenide der Alkalimetalle mit Elementen der 3. Hauptgruppe New Ternary Element(I)/Element(III)-Tellurides and Selenides  
 Abstract    The new ternary compounds NaAlSe2, NaAlTe2, NaGaTe2 and KAlTe2 crystallize in the Tl I Tl III Se2-structure type. The analogous Tl-compounds build up the same structure but show a variable composition within the limits (NaJTli_a.)TlSe2 (Oca; <0.47) and (Ka.Tli_jr)TlSe2 (0 <x <0.56). The compounds KAlSe2, KGaSe2, KInSe2 and KGaTe2 crystallize in a new structure type. 
  Reference    (Z. Naturforsch. 31b, 1336—1340 [1976]; eingegangen am 5. Juli 1976) 
  Published    1976 
  Keywords    Ternary Tellurides, Ternary Selenides, Crystal Structure 
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 TEI-XML for    default:Reihe_B/31/ZNB-1976-31b-1336.pdf 
 Identifier    ZNB-1976-31b-1336 
 Volume    31 
103Author    Brigitte Eisenmann, Gerhard Savelsberg, Herbert SchäferRequires cookie*
 Title    Zur Darstellung und Kristallstruktur von Na2CuAs, K2CuAs und K2CuSb Preparation and Crystal Structure of Na2CuAs, K2CuAs and K2CuSb  
 Abstract    The three new compounds crystallize orthorhombic, space group Cmcm with Na2CuAs: a = 8.86(2) A, b = 7.22(2) A, c = 5.34(2) A; K2CuAs: a = 10.02(2) A, b = 7.56(2) A, c = 5.89(2) A; KsCuSb: a = 10.50(2) A, b = 7.93(2) A, c = 6.23(2) A. There are Cu-E(V)-Cu-E(V)-zigzag-chains in the structure, in which the Cu-atoms are linearly bonded to the E(V)-atoms. 
  Reference    (Z. Naturforsch. 31b, 1344—1346 [1976]; eingegangen am 15. Juli 1976) 
  Published    1976 
  Keywords    Intermetallic Compounds, Crystal Structure, Ternary Arsenides, Ternary Antimonides 
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 TEI-XML for    default:Reihe_B/31/ZNB-1976-31b-1344.pdf 
 Identifier    ZNB-1976-31b-1344 
 Volume    31 
104Author    Helmut Rieskamp, Rainer MattesRequires cookie*
 Title    Fluorreiche Oxofluorovanadate(V): Die Kristallstruktur von [enH2] [VOF5]  
 Abstract    The crystal structure of triclinic [enH2][VOF5], prepared in aqueous solution, has been determined from X-ray diffractometer data (i? = 0.076 for 527 reflections). The structure contains monomeric [VOFs] 2--ions. The bond distances are 1.54(1) Ä (terminal oxygen), 1.80(1) (average for the cis-fluorine atoms) and 2.10(1) Ä for the fluorine atom in trans-position to the terminal oxygen atom. This fluorine atom is involved in strong hydrogen bonds originating from the [NHaCH^CH^NEy 2 " 1 -cation with cisoid conformation. Earlier results about the existence of K2VOF5 could not be confirmed. 
  Reference    (Z. Naturforsch. 31b, 1453—1455 [1976]; eingegangen am 2. August 1976) 
  Published    1976 
  Keywords    Oxopentafluorovanadates(V), Crystal Structure, Vibrational Spectra 
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 TEI-XML for    default:Reihe_B/31/ZNB-1976-31b-1453.pdf 
 Identifier    ZNB-1976-31b-1453 
 Volume    31 
105Author    Gerhard Cordier, Herbert SchäferRequires cookie*
 Title    Neue intermetallische Verbindungen im arcJi-Ce202S-Strukturtyp New Intermetallic Compounds in the awfa"-Ce202S-Structure Type  
 Abstract    The new intermetallic compounds CaMn2Sb2, SrMn2Sb2 and CaMn2Bi2 have been prepared and structurally characterized. They are isotypic and crystallize trigonal in the an^-Ce202S-structure with the lattice constants: CaMn2Sb2: a = 4.54(1), c = 7.48(1), c/a = 1.65. SrMn2Sb2: a = 4.56(1), c = 7.70(1), c/a = 1.69. CaMn2Bi2: a = 4.63(1), c = 7.64(1), c/a = 1.65. 
  Reference    (Z. Naturforsch. 31b, 1459—1461 [1976]; eingegangen am 13. August 1976) 
  Published    1976 
  Keywords    Intermetallic Compounds, Crystal Structure, Ternary Antimonides, Ternary Bismutides 
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 TEI-XML for    default:Reihe_B/31/ZNB-1976-31b-1459.pdf 
 Identifier    ZNB-1976-31b-1459 
 Volume    31 
106Author    Z. NaturforschRequires cookie*
 Title    Sr3In2P4 und Ca3ln2As4, Zintlphasen mit Bänderanionen aus kanten-und ecken verknüpften InP4-bzw. InAs4-Tetraedern  
 Abstract    The new com pounds Sr3In2P4 and Ca3In2A s4 crystallize in the orthorhom bic system , space group Pnnm (N o. 58), with the follow ing lattice constants: Sr3In,P4: a = 1632.3(6), b = 682.8(3), c = 428.9(2); Ca3In2A s4: a = 1621.2(6), b = 659.5(3), c -430.6(2). In the anionic partial lattice InP4 (In A s4) tetrahedra are connected by com m on edges and corners and form (InP21-)" ((In A s23_)") strings o f alternating four-m em bered and eight-m em -bered rings. 
  Reference    Z. Naturforsch. 41b, 1416 (1986); eingegangen am 14. Juli 1986 
  Published    1986 
  Keywords    Interm etallic C om pounds, Zintl Phases, Crystal Structure 
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 TEI-XML for    default:Reihe_B/41/ZNB-1986-41b-1416.pdf 
 Identifier    ZNB-1986-41b-1416 
 Volume    41 
107Author    Petra Prokop, Rainer Richter, Lothar BeyerRequires cookie*
 Title    Zur Reaktion von 2,4-Dioxo-4-ferrocenyl-butansäureethylester mit primären aromatischen Aminen On the Reaction of Ethyl 2,4-Dioxo-4-ferrocenyl-butanoate with Primary Aromatic Amines  
 Abstract    Starting from ethyl 2,4-dioxo-4-ferrocenyl-butanoate (1) a series of new ferrocene derivatives has been prepared. While the reaction with o-phenylene diamine leads to two ferrocene-con­ taining heterocyclic compounds, 4-ferrocenyl-3//-l,5-benzodiazepine-2-carbonic acid ethyl ester (3) and 3-(2-ferrocenyl-2-oxo-ethylidene)-3,4-dihydro-l//-quinoxalin-2-one • H20 (4), reactions with m-and /?-phenylene diamine give both the mono-and disubstituted products 5 -8, respectively. The conversion of 4 by Lawesson's reagent results in 2-ferrocenvl-thieno[2,3-b]quinoxaline (9). The new compounds have been characterized by their 'H , 1 C NMR, and mass spectra. The molecular structures of 4-ferrocenyl-4-oxo-2-phenylamino-but-2-enoic acid ethyl ester 2, and of 4 and 9 have been determined by X-ray crystal structure analysis. 
  Reference    Z. Naturforsch. 54b, 849—857 (1999); eingegangen am 12. März 1999 
  Published    1999 
  Keywords    Ferrocene, /3-Diketones, Enaminoketones, NMR Data, Crystal Structure 
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 TEI-XML for    default:Reihe_B/54/ZNB-1999-54b-0849.pdf 
 Identifier    ZNB-1999-54b-0849 
 Volume    54 
108Author    Tsutomu Okuda, Yoshihiro Kinoshita, Hiromitsu Terao, Koji YamadaRequires cookie*
 Title    Structure and Bonding of Bromoantimonate (III) Complexes with Unusual Valency by Means of NQR and Powder X-Ray Diffraction  
 Abstract    NQR and powder X-ray diffraction were observed for several bromoantimonate (III) complexes which contain C"H2n+ jNF^ (n = 1 -3) or (C"H2lt + 1)2N H 2 (n = 1 -4) as a cation. The bond character, anion structure, crystal structure, and phase transition are discussed on the basis of the three-center-four-electron bond. A good correlation was found between the halogen NQR frequency and the Sb-X bond length. 
  Reference    Z. Naturforsch. 49a, 185—192 (1994); received July 23 1993 
  Published    1994 
  Keywords    81Br NQR, Temperature dependence, Phase transition, Crystal structure 
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 TEI-XML for    default:Reihe_A/49/ZNA-1994-49a-0185.pdf 
 Identifier    ZNA-1994-49a-0185 
 Volume    49 
109Author    Jacek ZaleskiRequires cookie*
 Title    Crystal Structure and Phase Transitions of [C(NH2)3]3Sb2C l9 * 0.9 H 20 A dam Pietraszko  
 Abstract    The room temperature structure of [C(NH2)3]3Sb2C l9 ■ 0.9 H 20 (GNCA) was solved. It crystal­ lizes in the monoclinic C2/c space group with a = 15.275, b = 8.794, c = 17.904 (in Ä), ß = 96.40°, V = 2390 Ä 3, Z = 4. Refinement of the atomic parameters by a least squares methods gave R = 0.042, wR = 0.039 for 1958 reflections with F>4ct(F). The structure consists of polyanionic (Sb2Cl|_)n layers built of deformed corner connected SbX^-octahedra. Two crystallographically inequivalent guanidinium cations are present, one situated between polyanionic layers, the other one together with a disordered water molecule inside cavities formed by polyanions. Temperature X-ray scattering experiments together with DSC studies were carried out above room temperature. Temperature dependence of the lattice parameters between 300 K and 380 K was determined and a phase transition of mixed order at 364 K was revealed. 
  Reference    Z. Naturforsch. 49a, 895—901 (1994); received June 7 1994 
  Published    1994 
  Keywords    Guanidinium, Chloroantimonate, Crystal structure, Phase transition, DSC 
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 TEI-XML for    default:Reihe_A/49/ZNA-1994-49a-0895.pdf 
 Identifier    ZNA-1994-49a-0895 
 Volume    49 
110Author    Hiroyuki Ishida, Hironobu Maeda, Akiko Hirano, Tamotsu Fujimoto, Yoshihiro Kubozono, Setsuo Kashino, Shuichi EmuraRequires cookie*
 Title    E X A F S S tu d y o n th e P h a s e T r a n s itio n ( P h a s e a ' -5) in C H 3 N H 3 I  
 Abstract    The local structure of CH3NH3I around the I" ion in Phase a 'and 8 was studied by iodine K-edge EXAFS. The crystal structure in Phase a ' was redetermined by single crystal X-ray diffraction. The Debye-Waller factor <r(2) derived from EXAFS spectra shows an anomalous behavior around the order-disorder transition temperature from Phase 8 to a '. The phase transition has been interpreted as the disordering process which involves not only the H atoms but also the C atoms in the cation. 
  Reference    Z. Naturforsch. 50a, 876—880 (1995); received June 16 1995 
  Published    1995 
  Keywords    Crystal structure, EXAFS, Phase transition, X-ray diffraction 
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 TEI-XML for    default:Reihe_A/50/ZNA-1995-50a-0876.pdf 
 Identifier    ZNA-1995-50a-0876 
 Volume    50 
111Author    Hiroyuki Ishida, Hiroshi Ono, Ryuichi IkedaRequires cookie*
 Title    Crystal Structure of the High-temperature Solid Phases of Choline Tetrafluoroborate and Iodide  
 Abstract    The crystal structure of the highest-and second highest-temperature solid phases of choline tetrafluoroborate and iodide was determined by X-ray powder diffraction. The structure in the highest-temperature phase of both salts is NaCl-type cubic (a = 10.16(2) Ä, Z = 4 for tetrafluorobo-rate; a = 10.08(2) A, Z = 4 for iodide). The second highest-temperature phase of tetrafluoroborate and iodide is CsCl-type cubic (a = 6.198(6) Ä and Z = 1) and tetragonal (a = 8.706(2) A, c = 6.144(6) Ä, and Z = 2), respectively. DSC was carried out for the iodide, where the presence of three solid-solid phase transitions was confirmed. Enthalpy and entropy changes of these transitions were evaluated. 
  Reference    Z. Naturforsch. 52a, 679—680 (1997); received June 17 1997 
  Published    1997 
  Keywords    Crystal structure, Powder X-ray diffraction, Phase transition 
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 TEI-XML for    default:Reihe_A/52/ZNA-1997-52a-0679_n.pdf 
 Identifier    ZNA-1997-52a-0679_n 
 Volume    52 
112Author    J. Pirnat, Z. Trontelj, Z. Jagličić, K. Lutar, H. BorrmannRequires cookie*
 Title    Arsenic NQR in the Paramagnetic Complex Co(AsF 6 ) 2 -2AsF 3  
 Abstract    Arsenic NQR in Co(AsF 6) 2 .2AsF 3 reveals three lines: one near 122 MHz and two near 50 MHz. Relations of the spectral lines to the structure and to thermal vibrations are discussed. Possible influence of paramagnetic Co is examined. 
  Reference    Z. Naturforsch. 55a, 212—214 (2000); received October 13 1999 
  Published    2000 
  Keywords    Co(AsF 6 ) 2, Complex, NQR, Paramagnet, Crystal Structure 
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 TEI-XML for    default:Reihe_A/55/ZNA-2000-55a-0212.pdf 
 Identifier    ZNA-2000-55a-0212 
 Volume    55 
113Author    Hideta Ishihara, Keizo Horiuchi, ThorstenM. Gesing, Shi-Qi Dou, J.-Christian Buhl, Hiromitsu TeraoRequires cookie*
 Title    I NQR and Crystal Structure Studies of [N(CH 3 ) 4 ] 2 CdI 4  
 Abstract    The temperature dependence of 127 1 NQR and DSC as well as the crystal structure at room temperature of the title compound were determined. This compound shows a first-order phase transition of an order-disorder type at 245 K. Eight 127 I(i^i: m = ±5 <-+ ±|) NQR lines of 79. corresponding eight 127 I(^ 2 : m = ±| <-» • ±|) NQR lines were observed at liquid nitrogen temperature. Three 127 I(^i) NQR lines wfth an intensity ratio of 1:1:2 in the order of decreasing frequency were observed just above the transition point and two NQR lines except for the middle-frequency line disappeared around room temperature. This temperature behavior of NQR lines is very similar to that observed in [N(CH 3)4] 2 Hgl4. Another first-order phase transition takes place at 527 K. The structure of the room-temperature phase was redetermined: orthorhombic, Pnma, Z = 4, a = 1342.8(3), b = 975.7(2), c = 1696.5(3) pm. The NQR result of three lines with an intensity ratio of 1:1:2 is in agreement with this structure. The thermal displacement parameters of atoms in both cations and anions are large. 
  Reference    Z. Naturforsch. 55a, 225—229 (2000); received October 13 1999 
  Published    2000 
  Keywords    NQR, DSC, Crystal Structure, Phase Transition 
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 TEI-XML for    default:Reihe_A/55/ZNA-2000-55a-0225.pdf 
 Identifier    ZNA-2000-55a-0225 
 Volume    55 
114Author    W. Haase, R. Mergehenn, W. KrellRequires cookie*
 Title    Die Kristallstruktur von Thiocyanato(2-dimethylaminoäthanolato)kupfer(II) The Crystal Structure of Thiocyanato(2-dimethylaminoethanalato)copper(II)  
 Abstract    The crystal structure of the title compound has been determined from three-dimensional X-ray diffractometer data. Crystals are monoclinic, space group P2i/c with 8 CU(C4HIONO)SCN units in a cell of dimensions a = 11.951(4), b = 8.954(3), c = 16.805(6) Ä, and ß = 107.5(1)°. The structure was refined by least squares techniques to a final discrepancy factor of 0.041 based on 2234 observed independent reflexions. The compound is polymeric with copper atoms alternately bridged by two oxygen atoms and two thiocyanato groups. The coordination geometry around each copper atom is distorted square pyramidal. The basal plane consists of the two bridging oxygen atoms (mean value Cu-O: 1.914(3) A), the amino nitrogen atom (mean value Cu—N: 2.035(3) A) and the nitrogen atom from the thiocyanato group (mean value Cu-N: 1.908(3) A) while the axial coordination site is occupied by a sulfur atom from a thiocyanato group (mean value Cu-S: 2.979(2) A) centrosymmetric to the first. The magnetic susceptibility of the compound shows a broad maximum at 200 K. 
  Reference    (Z. Naturforsch. 31b, 85—89 [1976]; eingegangen am 25. September 1975) 
  Published    1976 
  Keywords    Crystal Structure, Copper Compound, Thiocyanato Bridging, Spin Coupling 
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 TEI-XML for    default:Reihe_B/31/ZNB-1976-31b-0085.pdf 
 Identifier    ZNB-1976-31b-0085 
 Volume    31 
115Author    Klaus-Jürgen Range, Richard LeebRequires cookie*
 Title    Preparation and Crystal Structure of the High Pressure Phase Tm 2 S3-II  
 Abstract    Single crystals of the quenchable high pressure phase Trri2S3-II were grown from a TmJ3-flux at 10 kbar, 1600 °C. The crystals are monoclinic, space group P2i/m, with a = 11.110(5) A, 6 = 3.874(3) A, c = 10.872(5) A, ß = 108.88(2) ° and Z = 4. In Tm2S3-II, which is isotypic with Er3ScS6, the four independent thulium atoms are coordinated by six (2 x), seven and eight sulfur atoms. 
  Reference    (Z. Naturforsch. 31b, 311—314 [1976]; eingegangen am 7. November 1975) 
  Published    1976 
  Keywords    Thulium Sesquisulfide, High Pressure Phase, Crystal Structure 
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 TEI-XML for    default:Reihe_B/31/ZNB-1976-31b-0311.pdf 
 Identifier    ZNB-1976-31b-0311 
 Volume    31 
116Author    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 
117Author    K. Diehl, D. Khodadadeh, J. Kummer, SträhleRequires cookie*
 Title     
 Abstract    Upon use of a synthetic method reported earlier by us respective alloys of Na/Sn, Na/Ge and Na/Sb are dissolved in ethylene-diamine and the title compounds precipitated from the solutions in high yield. By recrystal-lisation well shaped, stable crystals are obtain-ed. The crystal structure of [Na4 • 7 en]Sn9 confirms the presence of a Sn9 4 ~-polyhedron which had been suggested by us on the basis of other investigations. The Sn9 4_ -polyhedron may be described as a distorted tricapped trigonal prism. Ethylenediamine is coordi-nated to Na+-ions exclusively. 
  Reference    (Z. Naturforsch. 31b, 522—524 [1976]; eingegangen am 16. Februar 1976) 
  Published    1976 
  Keywords    Polyanionic Compounds, Germanium, Tin, Antimony, Crystal Structure 
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 TEI-XML for    default:Reihe_B/31/ZNB-1976-31b-0522_n.pdf 
 Identifier    ZNB-1976-31b-0522_n 
 Volume    31 
118Author    Requires cookie*
 Title    Röntgenographische Strukturuntersuchung von Cäsiumhexaoxo-tetrahydroxo-pentaborat-2-dimethylsulfoxid X-ray Study of the Structure of Cesiumhexaoxo-tetrahydroxo-pentaborate-2-dimethyl Sulfoxide  
 Abstract    The compound Cs[Bs0 6 (OH)4 ] • 2 DMSO was prepared by hydrolysis of tris(methoxy)-borane in organic solvents with small amounts of water in presence of cesium ierf-butylate and recrystallized in DMSO (dimethyl sulfoxide). Cs[Bs0 6 (0 H)4 ] • 2 DMSO crystallizes in the monoclinic space group P2i/a with a = 9.593(2), 6 = 19.179(4), c = 11.585(2) Ä, ß = 119.99(2)° and Z — 4. The crystal structure was determined by single-crystal diffracto­ meter data and refined to a conventional R value of 9.9%. The crystal structure consists of chains of pentaborate anions [Bs0 6 (OH)4 ]-linked by hydrogen bonds. The cesium cation and the DMSO molecules join the chains to sheets by coordination and hydrogen bonds respectively. 
  Reference    (Z. Naturforsch. 32b, 268—274 [1977]; eingegangen am 4. November/7. Dezember 1976) 
  Published    1977 
  Keywords    X-ray, Crystal Structure, Isopolyanions, Polyborates 
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 TEI-XML for    default:Reihe_B/32/ZNB-1977-32b-0268.pdf 
 Identifier    ZNB-1977-32b-0268 
 Volume    32 
119Author    W.Requires cookie*
 Title    Preparation and Crystal Structure of Li2Sb  
  Reference    (Z. Naturforsch. 32b, 357—359 [1977]; eingegangen am 3. Dezember 1976) 
  Published    1977 
  Keywords    Lithium Antimonide, Intermetallic Compound, Crystal Structure 
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 TEI-XML for    default:Reihe_B/32/ZNB-1977-32b-0357_n.pdf 
 Identifier    ZNB-1977-32b-0357_n 
 Volume    32 
120Author    Requires cookie*
 Title      
 Abstract    G e r h a r d C o r d i e r u n d H e r b e r t S c h ä f e r BaMnSb2, SrMnBi2 and BaMnBi2 have been prepared and structurally characterized. The new compounds are isotypic and crystallize tetragonal in the SrZnBi2 structure with the following constants: BaMnSb2: a = 4.53 ± 0.01 A, c = 24.34 ± 0.03 A, c/a = 5.37. SrMnBi2: a = 4.58 ± 0.01 A , c = 23.13 ± 0.03 A, c/a = 5.05. BaMnBi2: a — 4.63 ± 0.02 A, c = 24.22 i 0.05 A, c/a = 5.23. The transition metal atoms form together with the semimetal atoms sheets of tetragonal pyramids separated by double layers of alkali earth atoms. In these double layers there are inserted Bi/Sb-square nets. 
  Reference    (Z. Naturforsch. 32b, 383—386 [1977]; eingegangen am 29. Dezember 1976) 
  Published    1977 
  Keywords    Intermetallic Compounds, Crystal Structure, Ternary Antimonides, Ternary Bismutides 
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 TEI-XML for    default:Reihe_B/32/ZNB-1977-32b-0383.pdf 
 Identifier    ZNB-1977-32b-0383 
 Volume    32 
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