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'Photoelectron Spectra' in keywords Facet   section ZfN Section B  [X]
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1Author    DennisG. Brown, Ulrich WeserRequires cookie*
 Title    XPS Spectra of Copper and Nickel Biuret Complexes — Observations of Intense Satellite Structure in the 2P Spectrum of a Copper(III) System  
 Abstract    A series of copper and nickel biuret complexes has been studied by X-ray photoelectron spectroscopy (XPS). The results include one of the first reports of the XPS spectrum of a copper(III) complex. Significantly, this diamagnetic complex exhibits intense satellite structure in both the Cu 2P3/2 and Cu 2Pi/2 regions. The isoelectronic nickel(II) complex shows no comparable satellite structure. 
  Reference    Z. Naturforsch. 34b, 989—994 (1979); received March 30 1979 
  Published    1979 
  Keywords    Copper, Nickel, Photoelectron Spectra, Satellite 
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 TEI-XML for    default:Reihe_B/34/ZNB-1979-34b-0989.pdf 
 Identifier    ZNB-1979-34b-0989 
 Volume    34 
2Author    Galina Tschmutowa, Hans BockRequires cookie*
 Title    Photoelektronen-Spektren und Moleküleigenschaften, LXIII 1 Ionisierungsenergien von Phenyl-Methyl-Tellurid und Vergleich der Effekte von Sauerstoff-, Schwefel-, Selen-und Tellur-Substituenten auf das Benzol-rc-System Photoelectron Spectra and Molecular Properties, LXIII 1 Ionization Energies of Phenyl Methyl Telluride and Comparison of Effects of Oxygen, Sulphur, Selenium and Tellurium Substituents on the Benzene n System  
 Abstract    The photoelectron spectrum of HsC6-Te-CH 3 displays in its low energy region over-lapping bands of gas-phase conformers. Depending on the dihedral angle between the plane of the phenyl ring and the tellurium lone pair, the TI conjugation amounts to only 0.1 eV and 0.3 eV, respectively. These values are compared to the considerably larger ones found for the analogous phenyl derivatives H5C6-X-CH3 with X = O, S and Se. 
  Reference    (Z. Naturforsch. 31b, 1611—1615 [1976]; eingegangen am 16. August 1976) 
  Published    1976 
  Keywords    Tellurium Organic Compounds, Photoelectron Spectra, n; Conjugation, Conformers 
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 TEI-XML for    default:Reihe_B/31/ZNB-1976-31b-1611.pdf 
 Identifier    ZNB-1976-31b-1611 
 Volume    31 
3Author    JaapN. Louwen, Jaap Hart, DerkJ. Stufkens, Ad OskamRequires cookie*
 Title    The Hei and HeH Photoelectron Spectra of [Fe*? 3 -C3H5(CO)3X] and [Fe^ 3 -C4H7 (CO)3X] (X = Cl, Br, I) and [CoC3H5(CO)3]  
 Abstract    By means of UV photoelectron spectroscopy (UPS) the electronic structures of [Fe^3.C3H5(CO)3X], [Fe^3-(2-CH3C3H4)(CO)3X] (X = Cl, Br, I) and [Co(C3H5)(CO)3] have been studied. Detailed assignments are possible and surprisingly low ionization energies (as low as 8.19 eV) are found for iodine lone pair type Orbitals. From the spectra a large difference in n backbonding is found between the cobalt and iron complexes. 
  Reference    Z. Naturforsch. 37b, 179—185 (1982); received September 29 1981 
  Published    1982 
  Keywords    Photoelectron Spectra, Iron, Cobalt, Allyl Complexes 
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 TEI-XML for    default:Reihe_B/37/ZNB-1982-37b-0179.pdf 
 Identifier    ZNB-1982-37b-0179 
 Volume    37 
4Author    Requires cookie*
 Title    Darstellung und Eigenschaften von Diacetylbis(methylimin)  
 Abstract    Synthesis and Properties of Biacetylbis(methylimine) H e i n d i r k to m D i e c k * , K l a u s -D i e t e r F r a n z * u n d W e r n e r M a j u n k e Biacetylbis(methylimine) (1) is obtained by formic acid catalyzed condensation of biacetyl and methylamine. Photoelectron-and UV spectra, H NMR and 13C NMR data are compared with those of the new compound biacetylbis(isopropylimine) (2) and glyoxalbis(isopropylimine) (3). 
  Reference    (Z. Naturforsch. 30b, 922—925 [1975]; eingegangen am 7. Mai 1975) 
  Published    1975 
  Keywords    Diimines, PE Spectra, Photoelectron Spectra, UV Spectra, 13C NMR 
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 TEI-XML for    default:Reihe_B/30/ZNB-1975-30b-0922.pdf 
 Identifier    ZNB-1975-30b-0922 
 Volume    30 
5Author    Susanne Elbel, HeindirkTom DieckRequires cookie*
 Title    Photoelektronenspektren von Verbindungen der V. Hauptgruppe, III 1 Methylhalogenverbindungen MeEHal2 und Me2EHal Photoelectron Spectra of Group V Compounds, III 1 Methylhalogen Compounds MeEHal2 and Me2EHal  
 Abstract    The He I photoelectron spectra of certain MeEHal2 and MeaEHal compounds (E = (N), P, As, Sb; Hal = (F), Cl, Br, J; Me = CH3) are interpreted in terms of a "composite molecule" approach derived for C3v/Cs systems. Although an "internal standard" is missing here, substituent group-orbitals (njjai, C-H) may be classified with respect to their orien-tations in space (R, V, T). Ionisation energies are assigned according to this assumption. PE data of the isoelectronic EMe3/EHal3 compounds and of related molecules (Me2EH, MePH2, CF3PBr2) as well as EHMO calculations with partial inclusion of spin orbit coupling are used to confirm the assignments given for Me2EHal/MeEHal2 series. Correlations between PE ionisation energies (e.g. nE (IE)) and molecular or atomic properties are critically revised and discussed. 
  Reference    (Z. Naturforsch. 31b, 178—189 [1976]; eingegangen am 1. September 1975) 
  Published    1976 
  Keywords    Photoelectron Spectra, Nitrogen, Phosphorus, Antimony Methyl Halides, n-Ionizations 
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 TEI-XML for    default:Reihe_B/31/ZNB-1976-31b-0178.pdf 
 Identifier    ZNB-1976-31b-0178 
 Volume    31 
6Author    Galina Tschmutowa, Hans BockRequires cookie*
 Title    Photoelektronenspektren und Moleküleigenschaften, LXIV 1 Dimethyldiselenid -ein Beispiel für die Wechselwirkung zwischen benachbarten Elektronenpaaren Photoelectron Spectra and Molecular Properties, LXIV Dimethyldiselenide -an Example for the Interaction between Adjacent Electron Pairs  
 Abstract    The well-resolved helium(I) photoelectron spectrum of H 3 C-Se-Se-CH 3 exhibits distinct bands corresponding to 11 of the total 13 valence electron ionizations. The unequivocal assignment is supported by EHMO calculations including spin/orbit coupling. The two selenium lone pair ionizations differ by 0.23 eV; a split observed also for dimethyl disulfide and discussed within a general model for interactions between adjacent lone pairs. 
  Reference    (Z. Naturforsch. 31b, 1616—1620 [1976]; eingegangen am 16. August 1976) 
  Published    1976 
  Keywords    Selenium Organic Compounds, Photoelectron Spectra, Electron Pair Interaction, Gas Phase Conformation 
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 TEI-XML for    default:Reihe_B/31/ZNB-1976-31b-1616.pdf 
 Identifier    ZNB-1976-31b-1616 
 Volume    31 
7Author    Hans Bock, Bodo BerknerRequires cookie*
 Title    Gasphasen-Reaktionen, 91 [1 -3 ] Thermische und heterogen-katalysierte N2-Abspaltung aus Azo-Verbindungen R-N=N-R (R = CH3, C3H5, C6H5) Gas Phase Reactions, 91 [1-3] Thermal and Heterogeneously Catalyzed N 2 Elimination of Azo-Compounds R -N = N -R (R = C H 3, C3H 5, C6H5) Ausgangspunkt: Die thermische Zersetzung von Azo-Verbindungen in der Gasphase  
 Abstract    Thermal decom positions o f azo compounds in the gas phase under reduced pressure are fur­ ther investigated using photoelectron spectroscopic gas analysis. Passing diallyl, diphenyl and phenylmethyl derivatives either through a short-pathway pyrolysis (SPP) apparatus or through an external thermal reactor (ETR) results in the follow ing fragmentations; Under nearly unimolecular conditions (SPP, 10~4 mbar pressure), diallyldiazene decom poses above 600 K to N 2 and hexadiene-1,5 with the allyl radical as a detectable intermediate. The PE spec­ tra recorded for diphenyldiazene above 1000 K (ETR, 10-2 mbar pressure) show N 2, benzene, as well as traces o f diphenyl. Phenylmethyldiazene yields above 800 K (SPP) predominantly N 2, toluene, diphenyl and ethane with the methyl radical as the only detectable intermediate. Insertion o f quartz w ool into the pyrolysis tube (ETR) lowers the fragmentation temperatures, and in addition, above 850 K, HC N and aniline are PE spectroscopically identified. Surpris­ ingly, this second reaction channel can be heterogeneously catalyzed; phenylmethyldiazene de­ com poses under 10"2 mbar pressure at a [N i/SiO J catalyst surface selectively to H C N and ani­ line. 
  Reference    Z. Naturforsch. 47b, 1551—1560 (1992); eingegangen am 12. März 1992 
  Published    1992 
  Keywords    A zo Com pounds, Photoelectron Spectra, Gas Phase Thermolysis, H eterogeneous Catalysis 
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 TEI-XML for    default:Reihe_B/47/ZNB-1992-47b-1551.pdf 
 Identifier    ZNB-1992-47b-1551 
 Volume    47 
8Author    Miroslav Bajić, K. Rešimir Humski, Leo Klasinc, Branko RuščićRequires cookie*
 Title    Substitution Effects on Electronic Structure of Thiophene Z a g re b , Croatia, Yugoslavia  
 Abstract    The H e (I) photoelectron (P E) spectra of the following methoxy (-M e O) and nitro (-N O :) thiophenes: 2 -M e O , 3 -M e O , 2 ,5-di-M eO , 2 -N 0 2, 3 -N 0 2, 2 ,4 -d i-N 0 2 and 2 ,5 -d i-N O z have been recorded and their electronic structure is discussed in terms of inductive and mesomeric effects of substituent on the electronic energy levels o f thiophene. 
  Reference    Z. Naturforsch. 40b, 1214—1218 (1985); received March 25 1985 
  Published    1985 
  Keywords    Electronic Structure, Ionization Energies, Photoelectron Spectra, M ethoxy Thiophenes, Nitro Thiophenes 
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 TEI-XML for    default:Reihe_B/40/ZNB-1985-40b-1214.pdf 
 Identifier    ZNB-1985-40b-1214 
 Volume    40 
9Author    G. Ottfried Pawelke, Ralph Dammei, Wolfgang PollRequires cookie*
 Title    Darstellung von Difluormethanimin F2C = N H und F2C = N D durch Hydrolyse von CF3NCO Preparation of Difluoromethanimine F 2C = NH and F 2C = ND by Hydrolyses of C F 3NCO  
 Abstract    The title com pounds have been prepared by controlled hydrolysis o f C F 3NCO in N E t3. Their 13C, 19F and 'H N M R spectra are reported and their IR gas and IR matrix spectra are discussed in terms o f a normal coordinate analysis. The photoelectron spectrum o f F2C = NH is compared with those o f F2C = N F and H 2C = N H revealing a strong fluoro effect. In the solid state F2C = N H is aggregated to infinite zig-zag chains by N • • • H hydrogen bonding. 
  Reference    Z. Naturforsch. 47b, 351 (1992); eingegangen am 17. September 1991 
  Published    1992 
  Keywords    D ifluoromethanimine, N M R Spectra, Vibrational Spectra, Photoelectron Spectra, X-Ray 
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 TEI-XML for    default:Reihe_B/47/ZNB-1992-47b-0351.pdf 
 Identifier    ZNB-1992-47b-0351 
 Volume    47