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61Author    Manfredo Hörner, Wolfgang Hiller, Joachim Strähle, GeorgeM. SheldrickRequires cookie*
 Title    Synthese, Eigenschaften und Kristallstruktur von (NH 4 )NbOBr 4 Synthesis, Properties and Crystal Structure of (NH 4 )NbOBr 4  
 Abstract    (NH 4)NbOBr 4 is obtained as air sensitive, light red crystals from NH 4 Br and NbBr 5 in a sealed glass ampoule at 420 °C, whereby the oxygen presumably originates from the glass surface. The compound crystallizes in the monoclinic space group C2/m with a — 1269.9(1), b = 1384.7(2). c = 773.0(2) pm, ß = 114.44(2)° and Z = 6. The structure is built up by NH 4 + cations and polymeric NbOBr 4 anions. Symmetrical linear oxo bridges with Nb-O = 199 pm connect square planar NbBr 4 units to form endless chains arranged in planes parallel (010). Neighbouring NbBr 4 units are in eclipsed as well as staggered orientations. The NH 4 + cations are located between the planes of parallel NbOBr 4 " chains. The vibrational frequencies of the IR and Raman spectrum are assigned. 
  Reference    Z. Naturforsch. 43b, 981—984 (1988); eingegangen am 25. März 1988 
  Published    1988 
  Keywords    Ammonium Tetrabromooxoniobate(V), Synthesis, Crystal Structure, Raman Spectra, IR Spectra 
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 Identifier    ZNB-1988-43b-0981 
 Volume    43 
62Author    ;.M = Ti, ZrDieter Fenske, Eva Hartmann, Kurt DehnickeRequires cookie*
 Title    N,N'-Bis(trimethylsilyl)benzamidinato-Koniplexe von Titan und Zirkon. Die Kristallstrukturen von [C 6 H 5 -C(NSiMe3) 2 MCl 3 ] 2 ; M = Ti, Zr N,N'-Bis(trimethylsilyl)benzamidinato Complexes of Titanium and Zirconium. The Crystal Structures of [C 6 H 5 -C(NSiMe 3 ) 2 MCl 3 ]  
 Abstract    The N,N'-bis(trimethylsilyl)benzamidinato complexes [C 6 H 5 -C(NSiMe 3) 2 MCl 3 ] 2 (M = Ti. Zr) have been prepared by the reactions of N,N,N'-tris(trimethylsilyl)benzamidine, [C 6 H 5 — C(NSiMe 3)N(SiMe 3) 2 ] with titanium tetrachloride, and zirconium tetrachloride, respec-tively. The compounds form moisture sensitive, dark red (Ti) and white (Zr) crystals, which were characterized by crystal structure determinations. [C 6 H 5 —C(NSiMe 3) 2 TiCl 3 ] 2 : space group P2,/rc. Z = 2, 4373 observed independent reflexions, R = 0.034. Lattice dimensions (-90 °C): a — 959.0(8); b = 1196.5(8); c = 1770.9(11) pm; ß = 93.79(4)°. [C 6 H 5 -C(NSiMe 3) 2 ZrCl 3 ] 2 : space group P2,/«. Z = 2, 3160 observed independent reflexions, R = 0.031. Lattice dimensions (-90 °C): a = 971.6(7); b = 1222.2(9); c = 1792.9(10) pm; ß = 93.51(5)°. Both complexes crystallize isotypically, forming centrosymmetric dimeric molecules via chloro bridges with bond lengths of 242.0 and 253.8 pm (Ti), and of 253.7 and 264.9 pm (Zr). The metal atoms complete their distorted octahedral surroundings with two chlorine ligands and the nitrogen atoms of the chelating amidinato ligand. The N atoms of the amidinato group are in equatorial and axial positions. This accounts for the different metal-nitrogen bond lengths of 207 pm (ax) and 199 pm (eq) in the titanium compound and 219 pm (ax) and 214 pm (eq) in the zirconium complex. 
  Reference    Z. Naturforsch. 43b, 1611—1615 (1988); eingegangen am 22. Juni 1988 
  Published    1988 
  Keywords    N, N'-Bis(trimethylsilyl)benzamidinato Complexes, Titanium, Zirconium, Syntheses, IR Spectra 
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 Identifier    ZNB-1988-43b-1611 
 Volume    43 
63Author    Jochen Ellermann, Norbert WillRequires cookie*
 Title    Chemie polyfunktioneller Moleküle, 104 [1] Gold-, Palladium-und Platinchlorokomplexe von (±)-2-[N,N-Bis(2-diphenylphosphinoethyl)amino]-tetrahydro- 2 //-l,3,2-oxazaphosphorin-2-oxid Chemistry of Polyfunctional Molecules, 104 [1] Gold-, Palladium-and Platinumchlorocomplexes of (±)-2-[N,N-Bis(2-diphenylphosphinoethyl)amino]-tetrahydro- 2 H-l ,3,2-oxazaphosphorine-2-oxide  
 Abstract    Reaction o f AuC1(C8H i4) with (Ph2PC H 2C H 2)2N -P (O)N (H)C H 2C H 2CH 20 (2) gives the 
  Reference    (Z. Naturforsch. 44b, 127 [1989]; eingegangen am 2. N ovem ber 1988) 
  Published    1989 
  Keywords    Noble M etals, IR Spectra, Raman Spectra, NM R Spectra 
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 Identifier    ZNB-1989-44b-0127 
 Volume    44 
64Author    JörnM. Üller, Corinna Hänsch, Joachim PickardtRequires cookie*
 Title    ;r-01efin-Iridium-Komplexe, XV [1] Kationische Bis(2.3-dimethylbutadien)iridium-L-Verbindungen mit verschiedenen Donorliganden L jr-Olefin Iridium Complexes, XV [1] Cationic Bis(2.3-dim ethylbutadiene)iridium-L Compounds with Various D onor Ligands L  
 Abstract    (dm b)2IrCH , (dm b = 2.3-dim ethylbuta-l,3-diene) reacts with Ph,CBF4 in C H 2C12 to form the 
  Reference    Z. Naturforsch. 44b, 278 (1989); eingegangen am 10. Oktober 1988 
  Published    1989 
  Keywords    Synthesis, IR Spectra, NM R Spectra, Mass Spectra, Crystal Structure 
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 Identifier    ZNB-1989-44b-0278 
 Volume    44 
65Author    Kurt Merzweiler, D. Ieter Fenske, Eva Hartm, Ann, Kurt DehnickeRequires cookie*
 Title    Synthese und Kristallstruktur des Imidokomplexes {TaCl4NC(Ph)[N(SiM e3)2]}2 * 2 C H 2C 12 Synthesis and Crystal Structure of the Imido Complex {TaCl4NC(Ph)[N(SiM e3)2]}2 * 2 C H 2C12  
 Abstract    The title com pound has been prepared by the reaction of N ,N,N '-tris(trim ethylsilyl)benz-amidine with tantalum pentachloride in C H 2CL suspension, forming am ber-coloured, moisture-sensitive crystals, which were characterized by an X-ray structure determ ination. Space group P 2,In, Z = 2, 4895 observed independent reflexions, R = 0.059. Lattice dimensions (— 65 °C): a — 1165.2(6), b -1335.4(6), c = 1629.0(7) pm, ß -93.23(4)°. The complex forms centrosymmetric molecules dimerized via chloro bridges TaCLTa with TaCl bond lengths of 247.2(2) and 277.1(2) pm, the longer one being in frarcs-position to the imido group, which can be formulated a sT * a= $ = C < *M (bond len g th sT a= N = 183.5(8), C = N = 134(1) pm. bond angle TaNC = Ph 162.7(7)°). 
  Reference    Z. Naturforsch. 44b, 1003 (1989); eingegangen am 8. Mai 1989 
  Published    1989 
  Keywords    Imido Complex of Tantalum, Synthesis, IR Spectra, Crystal Structure 
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 Identifier    ZNB-1989-44b-1003 
 Volume    44 
66Author    EvaH. Artm Ann, Kurt Dehnicke, D. Ieter Fenske, Helm Ut Goesmann, G.Erhard BaumRequires cookie*
 Title    [Na-15-Krone-5]2[ZrF2Cl4] und (PPh4)2[ZrCI6] * 2 CH2CI2; Synthesen, IR-Spektren und Kristallstrukturen [Na-15-Crown-5]2[ZrF:Cl4] and (PPh4)2[ZrCl6] * 2 C H 2C12; Syntheses, IR Spectra, and Crystal Structures  
 Abstract    [Na-15-crown-5]: [Z rF2Cl4] has been prepared by the reaction of the amidinato complex [Ph—C(NSiM e3)2Z rC l3]2 with sodium fluoride in acetonitrile suspension, as well as by the reaction ° f Z rC l4 in acetonitrile, both in the presence of 15-crown-5. On an analogous route (PPh4)2[ZrCl6] • 2 CH2C12 has been prepared by the reaction of [P h -C (N S iM e3)2Z rC l3]2 with PPh4Cl in C H 2C12 solution, as well as by the reaction of ZrC l4 with PPh4Cl in C H 2C12. The compounds are characterized by their IR spectra and by crystal structure determ inations. [Na-15-crown-5]2[ZrF2Cl4]: Space group P 2 1/a, Z = 4, 6589 observed independent reflexions, R = 0.069. Lattice dimensions at 20 °C: a = 1705.0(9), b = 1092.4(6), c = 1906.5(10) pm , ß = 113.14(3) . [Na-15-crown-5]2[ZrF2Cl4] forms ion triples, in which both sodium ions are seven-coordinate by five oxygen atoms of the crown ether molecules, as well as by a fluorine and a chlorine atom of the c/s-[ZrF2Cl4]2~ unit. (PPh4)2[ZrCl6] -2 C H 2C12: Space group P I , Z = 1, 4831 observed independent reflexions, R = 0.041. Lattice dimensions at 20 °C: a = 1030.1(5), b = 1124.8(6), c = 1245.6(6) pm, a = 70.81(3), ß = 80.61(4), y = 80.39(4)°. The com pound has an ionic structure with Z rC l62^ ions of symmetry Cr 
  Reference    Z. Naturforsch. 44b, 1155 (1989); eingegangen am 21. Juni 1989 
  Published    1989 
  Keywords    H alogeno-Zirconates(IV ), Syntheses, IR Spectra, Crystal Structure 
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 Identifier    ZNB-1989-44b-1155 
 Volume    44 
67Author    Klaus Hosier, Frank Weller, Kurt DehnickeRequires cookie*
 Title    Kristallstruktur von [MoC12(N S N )-2TH F]2; einem Metallaheterocyclus mit der NSN4 -Einheit Crystal Structure of [MoC12(N S N )-2T H F ]2; a M etallaheterocycle with the NSN4-Unit  
 Abstract    The chlorothionitrene complex [Cl4M o(NSCl)]2 reacts with N ,N,N '-tris(trim ethylsilyl)benzam idine in T H F solution to form the heterocyclic complex [MoC12(NSN) ■ 2T H F ]2, which contains the [NSN]4-unit. The com pound is characterized by IR spectro­ scopy and by an X-ray structure determ ination (Space group P2,/c, Z = 2, 1504 observed unique re ­ flexions, R = 0.044. Lattice dim ensions at 19 °C: a = 1176.0(1), b = 1108.6(4), c = 1227.3(3) pm, ß = 118.25(1)°). The com pound forms centrosym m etric molecules [(TH F)2C12M o(NSN)2MoC12(T H F)2], in which the molybdenum atoms are members of a nearly planar M o(NSN)2Mo eight-m em bered ring with bond lengths MoN 180.2 and 175.2 pm; NS 157.5 and 160.6 pm; the bond angle NSN is 108.3°, corresponding to a NSN4-unit. 
  Reference    Z. Naturforsch. 44b, 1325—1328 (1989); eingegangen am 5. Juni 1989 
  Published    1989 
  Keywords    M etallaheterocycle with NSN4~ U nit, Synthesis, IR Spectra, Crystal Structure 
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 Identifier    ZNB-1989-44b-1325_n 
 Volume    44 
68Author    FrankW. Eller, Harald Borgholte, H. Arald Stenger, Stefan Vogler, Kurt DehnickeRequires cookie*
 Title    Synthesen und Kristallstrukturen der Kronenether-Komplexe (18-Krone-6) * 2 CH3CN, [Na-15-Krone-5][Re04] CH3CN und [Na-15-Krone-5]PF6 Syntheses and Crystal Structures of the Crown E ther Complexes (18-C row n-6)-2C H 3CN, [N a-15-Crow n-5][Re04] * C H 3CN, and [Na-15-Crown-5]PF6  
 Abstract    Single crystals o f (18-crow n -6)-2C H 3CN were obtained by cooling a solution o f 18-crown-6 in acetonitrile to 4 °C. Space group P 2 x/n, Z = 2, 629 observed independent reflexions, R = 0.062. Lattice dim ensions at 19 °C: a = 911.7(1), b = 852.0(1), c = 1370.0(2) pm; ß — 104.61(1)°. The com pound forms a m olecular structure with approximate D 3d symmetry o f the crown ether m olecule, and C —H -O interactions of the acetonitrile m olecules with the crown ether, the H ---0 distances being 243, 253, and 267 pm , respectively. [N a-15-crow n-5][R e04] • C H 3CN is formed as a by-product o f the reaction o f R eN C l4 with sodium fluoride in acetonitrile in the presence o f 15-crown-5 and traces o f water. Space group P 1, Z = 2, 3107 observed independent reflexions, R = 0.045. Lattice dim ensions at 19 °C: a — 823.4(1), b = 1078.8(1), c = 1204.0(1) pm; a = 112.40(1)°, ß = 94.35(1)°, y = 104.63(1)°. The com pound forms ion pairs, in which the sodium atom is sixfold coordinated by the five oxygen atoms o f the crown ether m olecule, as well as by one oxygen atom o f the R e 0 4~ ion, which is only slightly distorted. The bond length Na — 0 R e 0 3 is 237.8(8) pm , the bond angle N aO R e is 164.3(5)°. [Na-15-crown-5]PF6 is formed in the reaction o f [R eC l3(N SC l)2 • PO C l3] with sodium fluoride in acetonitrile solution in the presence o f 15-crown-5. Space group P na2,, Z = 4, 1130 observed independent reflexions, R = 0.123. The high R value is due to disorder of the skeletal atoms of the crown ether m olecule. The com pound forms ion pairs, in which the sodium atom is sevenfold coordinated by the five oxygen atom s o f the crown ether m olecule, as well as by two fluorine atom s o f the PF6~ ion with N a —F bond lengths o f 240(2), and 246(2) pm, respectively. 
  Reference    Z. Naturforsch. 44b, 1524 (1989); eingegangen am 25. Juli/5. September 1989 
  Published    1989 
  Keywords    Crown Ether C om plexes, Syntheses, IR Spectra, Crystal Structure 
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 Identifier    ZNB-1989-44b-1524 
 Volume    44 
69Author    Horst Grünewald, Heiner HomborgRequires cookie*
 Title    Darstellung und spektroskopische Charakterisierung von Nitridophthalocyaninatomangan(V) Preparation and Spectroscopical Characterization of Nitridophthalocyaninatom anganese(V)  
 Abstract    Nitridophthalocyaninatomanganese(V), M nN Pc(2-), has been prepared by oxidation of [Mn(OH):Pc(2-)]~ with chlorine in the presence of excess ammonia in dichloromethane as a chemically very stable, diamagnetic microcrystalline blue powder. The band at 1053 cm 1 in the infrared and resonance Raman spectra is assigned to v(Mn=N). The strong resonance en­ hancement of v(Mn=N) coincides with an electronic transition at 461 nm assigned to (N —> Mn) electron transfer. The UV-VIS spectrum in 1-chloronaphthalene is compared with that of the M nN Pc(2-)-H -,S04 adduct and the phthalocyanine-7r-cation radical [MnNPc(l -) ] +. 
  Reference    Z. Naturforsch. 45b, 483—489 (1990); eingegangen am 30. November 1989 
  Published    1990 
  Keywords    Nitridophthalocyaninatomanganese(V), IR Spectra, Resonance Raman Spectra, UV-VIS Spectra 
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 Identifier    ZNB-1990-45b-0483 
 Volume    45 
70Author    Hans-W Alter, Swidersky, K. Urt DehnickeRequires cookie*
 Title      
 Abstract    [OsC14(C H 3C N)2] • 1/2C H 3CN has been pre­ pared by the reaction o f OsCl5 with acetonitrile in a slow reaction at room temperature, forming red, moisture sensitive crystals. The com pound was characterized by IR spectroscopy as well as by an X-ray structure determination. Space group Pnma, Z = 4, 1281 observed unique reflexions, R = 0.031. Lattice dimensions at 20 °C: a = 1032.5(5), b = 1356.0(7), c = 975.9(5) pm. The complex has a molecular structure, in which the osmium atom is octahedrally coordinated by four chlorine atoms and by two N -atom s o f the cis-coordinated acetonitrile molecules. The included C H 3C N m olecules are disordered in two posi­ tions. 
  Reference    Z. Naturforsch. 45b, 1210—1212 (1990); eingegangen am 26. Februar 1990 
  Published    1990 
  Keywords    Acetonitrile Solvate o f Osmium Tetrachloride, Synthesis, IR Spectra, Crystal Structure 
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 Identifier    ZNB-1990-45b-1210_n 
 Volume    45 
71Author    M. Aria Maneva, M. Itko Georgiev, Norbert Lange, HeinzDieter LutzRequires cookie*
 Title    Zur Kenntnis von Berylliumiodat und -periodat - Röntgenographische, IR-und Raman-spektroskopische Untersuchungen On Beryllium Iodates and Periodates -X-Ray, IR , and R am an Studies  
 Abstract    Phase relationships and therm al decomposition of beryllium iodates and periodates were studied by X-ray and spectroscopic (IR, Ram an) measurements. B e(I03)2-4 H 20 , B e(I03)2, and Be(H4I 0 6)2-4 H 20 have been characterized. Be(H4I 0 6)2-4 H 20 (hitherto claimed in the lit­ erature to be a metaperiodate) dehydrates on heating with decomposition to form B e(I03)2. Anhydrous beryllium periodate was not obtained. On dehydration of B e(I0 3)2-4 H 20 , an­ hydrous B e(I03)2 is formed, which decomposes into BeO, I2, and 0 2 on further heating. 
  Reference    Z. Naturforsch. 46b, 795—799 (1991); eingegangen am 27. November 1990 
  Published    1991 
  Keywords    Iodates, Periodates, Beryllium, Decomposition, IR Spectra, Ram an Spectra 
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 Identifier    ZNB-1991-46b-0795 
 Volume    46 
72Author    P. H. Ollm, Ann, W. PreetzRequires cookie*
 Title    [Ir2Cl10]2  
 Abstract    , und Normalkoordinatenanalyse an Dioktaederkomplexen des Typs IM2X1012", M = Re, Os, Ir, Pt; X = CI, Br Preparation and Characterization of Decachlorodiiridate(IV), [Ir2C l10]2-, and Normal Coordinate Analysis of Bioctahedral Complexes [M2X 10]2", M = Re, Os, Ir, Pt; X = CI, Br On heating the tetraethylammonium salt o f [IrCl6]2-with trifluoroacetic acid the edge shar­ ing bioctahedral anion [Ir2C l10]2' is formed, the IR and Raman spectra o f which are assigned according to point group D 2h. Norm al coordinate analyses, based on a general valence force field, for [M2X 10]2-, M = Re, Os, Ir, Pt; X = Cl, Br have been performed, resulting in a good agreement o f the calculated frequencies with the bands observed in the IR and Raman spectra. Due to the stronger bonding o f the terminal as compared to the bridging ligands, the valence force constants fd(M X t) are significantly higher than fd(M X b). Darstellung und Charakterisierung von Dekachlorodiiridat(IV), 
  Reference    Z. Naturforsch. 47b, 1115—1118 (1992); eingegangen am 8. April 1992 
  Published    1992 
  Keywords    Decachlorodiiridate(IV), Raman Spectra, IR Spectra, Normal Coordinate Analysis 
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 Identifier    ZNB-1992-47b-1115 
 Volume    47 
73Author    SvenM. Jessen, H. Orst Küppers, DeanC. LuehrsRequires cookie*
 Title    Hydrogen Bonding in Acid Li-, Ni-, Tetrabutylammonium, and Ammonium Salts of Benzene-1,2,4,5-tetracarboxylic Acid (Pyromellitic Acid)  
 Abstract    Four acid salts o f pyromellitic acid (benzene-1,2,4,5-tetracarboxylic acid) have been syn­ thesized and studied by X-ray diffraction and IR spectroscopy. (1) Dilithium dihydrogen py-romellitate pentahydrate, Li2[C6H 2(COO)4H 2] • 5 H zO; monoclinic, P 2 1/m, a = 6.214(2), b = 19.647(7), c = 6.592(2)Ä , ß = 115.90(2)°, Z = 2, R = 0.068, Rw = 0.067. (2) Hexaaquanickel dihydrogen pyromellitate, [N i(H 20) 6][C6H 2(C 0 0) 4H2]; monoclinic, P2/m, a = 6.528(1), b = 9.927(2), c = 6.472(1)Ä , ß = 115.57(1)°, Z = 1, R = 0.044, /?w = 0.039. (3) Tetrabutylammoni­ um trihydrogen pyromellitate, [(C4H 9)4N][C6H-,(COO)4H 3]; monoclinic, P 2 ,/c, a = 9.719(4), b = 18.823(8), c = 15.795(5) Ä, ß = 107.42(3)°, Z = 4, R = 0.059, Rw = 0.039. (4) Diam m onium dihydrogen pyromellitate, [N H 4],[C6H ,(CO O)4H2]; monoclinic, P 2 l/c\ a = 4.7665(6), b = 11.681(3), c = 10.149(2) Ä, ß = 102'. 19(2)°, Z = 2, R = 0.045, Rw = 0.039. Com pounds 1, 2, and 3 show very short intramolecular hydrogen bonds between adjacent carboxylic groups (O -O distances 2.384(6), 2.386(5), 2 . 3 8 7 (3) respectively). Com pound 4 forms intermolecular hy­ drogen bonds (O -O distance 2.642(2) A). The different hydrogen bonding modes are also evi­ dent in the IR spectra. 
  Reference    Z. Naturforsch. 47b, 1141—1153 (1992); received October 1 1991 /March 27 1992 
  Published    1992 
  Keywords    Pyromellitates, Hydrogen Bonds, Crystal Structure, Acid Pyromellitates, IR Spectra 
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 Identifier    ZNB-1992-47b-1141 
 Volume    47 
74Author    Michael Plate, Gerlinde Frenzen, K. Urt DehnickeRequires cookie*
 Title    Synthese und Kristallstrukturen der ionischen Kronenetherkomplexe [TiCl3(15-Krone-5)(CH3CN)l[SbCl6l und | V Cl(OH)( 18-Krone-6)(CH3CN)2] [SbCl6l * V2(18-Krone-6 * CH3CN) Synthesis and Crystal Structures of the Ionic Crown Ether Complexes [TiCl3( 15-Crown-5)(CH3CN)][SbCl6] and [VCl(OH)( 18-Crown-6)(CH3C N )2][SbCl6] ■ 'A( 18-Crown-6 * C H 3CN)  
 Abstract    The title compounds were prepared by the reaction o f titanium tetrachloride with 15-crown-5 and antimony pentachloride, and by the reaction o f vanadium trichloride with 18-crown-6 and antimony pentachloride in the presence o f traces o f water in acetonitrile solution, respectively. The complexes were characterized by IR spectroscopy and by X-ray structure determinations. [TiCl3(15-crown-5)(CH1CN)][SbCl6]: Space group Pnma, Z = 4, 1355 observed unique reflec­ tions, R = 0.035. Lattice dim ensions at -8 0 °C: a = 1987(1), b = 1742.2(6), c = 111.0(2) pm. The com pound consists o f SbCl6~ anions and cations [TiCl3(15-crown-5)(CH3C N)]+, in which the titanium atom is coordinated octahedrally by three chlorine atom s in facial arrangement, by the nitrogen atom o f the acetonitrile m olecule, and by two oxygen atom s o f the crown ether molecule. [VCl(OH)(18 -crown-6)(C H 3C N)2][SbCl6] ■ 'A(18-crow n-6 • C H 3 CN); Space group P I, 3936 observed unique reflections, R = 0.014. Lattice dim ensions at -8 0 °C: a = 1194.2(6), b = 1349.8(6), c = 1365.5(6) pm, « = 93.55(4)°, ß = 111.23(4)°, y = 93.15(4)°. The com pound con­ sists o f SbCl6-anions, included 18-crown-6 and acetonitrile molecules, and cations [VCl(OH)(18-crown-6)(CH3C N)2]+, in which the vanadium atom is octahedrally coordinated by two nitrogen atoms o f the acetonitrile molecules in trans positions, by a chlorine atom and a hydroxyl group in cis position, and by two oxygen atom s o f the crown ether molecule. One o f the acetonitrile molecules forms weak hydrogen bridges with two oxygen atom s o f the includ­ ed crown ether molecule as well as with one chlorine atom o f the SbCl6" ion. 
  Reference    Z. Naturforsch. 48b, 149—155 (1993); eingegangen am 4. September 1992 
  Published    1993 
  Keywords    Crown Ether Complexes, Titanium, Vanadium, IR Spectra, Crystal Structure 
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 Identifier    ZNB-1993-48b-0149 
 Volume    48 
75Author    Mitra Ghassemzadeh, Kurt Dehnicke, Helmut Goesmann, Dieter FenskeRequires cookie*
 Title    //2-Halogenokomplexe von N-Iodsuccinimid. Die Kristallstrukturen von PPh4[X(N-Iodsuccinimid)2] * CH3CN mit X = Cl, Br, I /^2-Halogeno Complexes of N-Iodosuccinimide. The Crystal Structures of PPh4 [X(N-Iodosuccinimide)2] * CH 3CN with X = Cl, Br, I  
 Abstract    The ,a2-halogeno complexes PPh4[X(N-Iodosuccinimide)2] • CH 3CN with X = Cl. Br, I have been prepared by reactions of N-Iodosuccinimide with the corresponding tetraphenylphos-phonium halides PPh4X in acetonitrile solutions. The compounds form pale yellow crystal needles, which were characterized by IR spectroscopy and by crystal structure determina­ tions. PPh4[Cl(N-Iodosuccinimide)2] C H 3CN (1): Space group Pna2!, Z = 4, 4461 observed unique reflections, R -0.027. Lattice dimensions at -6 0 °C: a = 1840.5(9), b = 2589(1), c = 728.2(4) pm. 
  Reference    Z. Naturforsch. 49b, 602—608 (1994); eingegangen am 22. Dezember 1993 
  Published    1994 
  Keywords    Halogeno Complexes of N-Iodosuccinimide, Synthesis, IR Spectra, Crystal Structure 
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 TEI-XML for    default:Reihe_B/49/ZNB-1994-49b-0602.pdf 
 Identifier    ZNB-1994-49b-0602 
 Volume    49 
76Author    Nickolia Lalioti3, JohnM. Tsangaris, ThF. Zafiropoulos, SpyrosP P ErlepesRequires cookie*
 Title    Binding of Cations to 4 f Metal Ions : Preparation and Properties of Lanthanide(III) Complexes Containing the Phenelzinium(l+) Cation as a Ligand  
 Abstract    Treatment o f Ln2(S 0 4)3 • nH 20 (Ln = La, Ce, Pr, Nd, Sm. Eu, Gd ; n -8, 9) with phenelzine dihydrogen sulfate, (phzH2) S 0 4, in 1 N H2S 0 4 yields polymeric complexes with the general formula [L n (S 0 4)2(H 20) 2(phzH)], which contain the phzH+ cation as a ligand. The compounds have been characterized by elem ental analyses, X-ray powder patterns, thermal methods, magnetic susceptibilities and spectroscopic (IR, Raman, electronic diffuse reflec­ tance and solid-state emission f -f spectra) studies. The prepared complexes most probably consist of 7-coordinated units, formed by four bridging bidentate sulfato groups, two terminal aqua m olecules and one cationic phzH+ ligand. 
  Reference    (Z. Naturforsch. 51b, 112 [1996]; received May 19 1995) 
  Published    1996 
  Keywords    Lanthanide(III) Complexes, Phenelzine Dihydrogen Sulfate, Cationic Ligands, IR Spectra 
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 TEI-XML for    default:Reihe_B/51/ZNB-1996-51b-0112.pdf 
 Identifier    ZNB-1996-51b-0112 
 Volume    51 
77Author    M. Ataullah Khan, Hum Aira RaeesRequires cookie*
 Title    Synthesis of a New bis-Harmine Selenide  
 Abstract    Harmine (1) upon refluxing with selenium dioxide in acetic acid for 15 hours yielded bis-harmine selenide (4) via the intermediates 2 and 3. 
  Reference    Z. Naturforsch. 51b, 1779—1780 (1996); received August 7 1996 
  Published    1996 
  Keywords    bis-Harmine Selenide, Harmine, 'H NMR Spectra, IR Spectra, El-Mass Spectra 
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 TEI-XML for    default:Reihe_B/51/ZNB-1996-51b-1779.pdf 
 Identifier    ZNB-1996-51b-1779 
 Volume    51 
78Author    O. V. Quinzania, S. Tarullia, O. E. Pirob, E. J. Baranc, E. E. Castellano0Requires cookie*
 Title    Crystal Structure, Vibrational Spectra and Thermal Analysis of Bis(saccharinato)bis(pyridine)zinc(II)  
 Abstract    The crystal structure of [Zn(sac)2(py)2] has been de termined by single-crystal X-ray diffrac-tometry. It crystallizes in the monoclinic space group C2/c with Z = 4. We propose and discuss an assignment of its IR and Raman spectra, compatible with the structural characteristics. Its thermal behavior was investigated by means of TG and DTA methods. Some comparisons with related compounds are made. 
  Reference    Z. Naturforsch. 52b, 183—187 (1997); received July 1 1996 
  Published    1997 
  Keywords    Zinc, Saccharin/Pyridine, Crystal Structure, IR Spectra, Raman Spectra 
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 TEI-XML for    default:Reihe_B/52/ZNB-1997-52b-0183.pdf 
 Identifier    ZNB-1997-52b-0183 
 Volume    52 
79Author    H., P. F.Requires cookie*
 Title    Polarographische Untersuchungen an Metallkomplexen des Formylferrocenthiosemicarbazons Polarographie Investigations on Metal Complexes of Formylferrocenethiosemicarbazone  
 Abstract    The complexes ML2 (M = Co(II), Ni(II), Cu(II), Zn(II) and Cd(II), LH — formylferro-cenethiosemicarbazone) and Cu2L2 are described. Their IR-and UV-spectra and their polarographic behaviour are reported. 
  Reference    (Z. Naturforsch. 28b, 383—388 [1973]; eingegangen am S. April 1973) 
  Published    1973 
  Keywords    Formylferrocenethiosemicarbazone, metal complexes, IR-spectra, UV-spectra, polaro-graphic behaviour 
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 TEI-XML for    default:Reihe_B/28/ZNB-1973-28b-0383.pdf 
 Identifier    ZNB-1973-28b-0383 
 Volume    28 
80Author    A.N G ArgRequires cookie*
 Title    Correlation of Mössbauer Quadrupole Splitting ( zI/?q) and Infrared Cyanide Frequency Separation in Alkali Metal Ferricyanides  
 Abstract    Mössbauer and infrared spectra of the alkali metal ferricyanides M* [Fe(CN)6] • n H 20 , where M1 = H , Li and N a were studied at room temperature. All the three compounds displayed a doublet with small quadrupole splitting (AEq). Infrared spectra of these compounds in solid state gave two frequencies for C = N stretching vibrations with their separation (Av) in increasing order which was found to be linearly correlated with AEq. A plausible explanation has been given in terms of the interaction of Li+ and Na+ cations w ith the CN-ligands of octahedrally symmetric ferricyanide anion [Fe(CN)6] 3-similar to that of hydrogen atoms which are hydrogen bonded in H 3Fe(CN)6. 
  Reference    (Z. Naturforsch. 30b, 96—98 [1975]; received February 1 /September 3 1974) 
  Published    1975 
  Keywords    Mössbauer Effect, IR Spectra, Ferricyanide Complexes, Hydrogen Bonding, Molecular Structure 
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 TEI-XML for    default:Reihe_B/30/ZNB-1975-30b-0096.pdf 
 Identifier    ZNB-1975-30b-0096 
 Volume    30 
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