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  1. No Access

    Chapter

    Vibrational Spectroscopy of Heteropoly Acids

    The vibrational spectra of the heteropoly acids can be conveniently regarded as composed of contributions from the polyoxometalate anion (the primary structure) and from the water of crystallisation and hydrat...

    H. Ratajczak, A. J. Barnes, A. Bielański… in Polyoxometalate Chemistry From Topology vi… (2001)

  2. No Access

    Article

    Semiempirical band structure calculations on skutterudite-type compounds

    Semiempirical band structure calculations were performed on several skutterudite-type compounds by using the extended Hückel method. Starting with the molecular orbital calculations on isolated P4 and As4 rings,...

    M. Partik, H. D. Lutz in Physics and Chemistry of Minerals (1999)

  3. No Access

    Article

    Lattice dynamics of pyrite FeS2 — polarizable-ion model

    Lattice dynamical calculations of the pyrite FeS2 were performed using the polarizable-ion model (PIM) with different sets of short-range force constants. Not until the mean deviations between the observed and th...

    H. D. Lutz, J. Zwinscher in Physics and Chemistry of Minerals (1996)

  4. No Access

    Chapter

    Hydroxide ions in condensed materials — Correlation of spectroscopic and structural data

    Solid hydroxide research of the last twenty years is reviewed with regard to bonding and structure of hydroxide ions in solid materials. This article is focussed on new results on hydrogen bonding and other in...

    H. D. Lutz in Coordination Chemistry (1995)

  5. No Access

    Article

    Hydrogen bonding in basic copper salts: a spectroscopic study of malachite, Cu2(OH)2CO3, and brochantite, Cu4(OH)6SO4

    Infrared and Raman spectra of the basic copper salts malachite, Cu2(OH)2CO3, and brochantite, Cu4(OH)6SO4, as well as of deuterated and 13C substituted samples are presented and discussed in terms of group theory...

    M. Schmidt, H. D. Lutz in Physics and Chemistry of Minerals (1993)

  6. No Access

    Article

    Lattice vibration spectra. LXVIII. Single-crystal Raman spectra of marcasite-type iron chalcogenides and pnictides, FeX2 (X=S, Se, Te; P, As, Sb)

    Single-crystal Raman spectra of marcasite-type FeS2, FeSe2, and FeTe2 and loellingite-type FeP2, FeAs2, and FeSb2 are presented and discussed with reference to the energies of the two X-X stretching modes v x-x (

    H. D. Lutz, B. Müller in Physics and Chemistry of Minerals (1991)

  7. No Access

    Article

    Single crystal raman studies of pyrite-type RuS2, RuSe2, OsS2, OsSe2, PtP2, and PtAs2

    Single crystal Raman spectra of pyrite-type RuS2, RuSe2, OsS2, OsSe2, PtP2, and PtAs2 are presented and discussed with reference to the energies of the X-X stretching modes ν x-x (A g, F g) and the X2 librations

    B. Müller, H. D. Lutz in Physics and Chemistry of Minerals (1991)

  8. No Access

    Chapter and Conference Paper

    Water Molecules in Solid Hydrates — Correlation of Spectroscopic and Crystallographic Data

    Combined studies of neutron diffraction and both infrared and Raman spectroscopy exhibit detailed insights into intermolecular bonding and structure of water molecules in solid hydrates. Some novel results on ...

    H. D. Lutz, J. Henning in Interactions of Water in Ionic and Nonionic Hydrates (1987)

  9. No Access

    Chapter and Conference Paper

    Uncoupled HDO Modes Caused by Metal Guest Ions in Crystal Matrices

    The stretching frequencies of HDO molecules isolated in solid hydrates (isotopically dilute samples) are an excellent probe of the local potential of the water molecules. Unfortunately interpretation of the un...

    H. D. Lutz, J. Henning in Interactions of Water in Ionic and Nonionic Hydrates (1987)

  10. No Access

    Article

    Li2CrCl4 ein neuer Chloridspinell mit schneller Lithiumionenleitung

    H. D. Lutz, P. Kuske, K. Wussow in Naturwissenschaften (1986)

  11. No Access

    Article

    Infrared reflection spectra, directional dispersion of the phonon modes and dynamical effective charges of FeS2-Marcasite

    The polarized far-infrared reflection spectra of single crystals of FeS2-marcasite are presented in the range from 40–700 cm−1. The spectra show 7 reststrahlen bands, as predicted by group theory. The oscillator ...

    H. D. Lutz, G. Wäschenbach in Physics and Chemistry of Minerals (1985)

  12. No Access

    Article

    Chalcides and pnictides of group VIII transition metals: Far-infrared spectroscopic studies on compounds MX 2, MXY, and MY 2 with pyrite, marcasite, and arsenopyrite structure

    The far-infrared (FIR) spectra of pyrites, marcasites and loellingites, and arsenopyrites of the type MX 2, MY 2, and MXY with M=Fe, Co, Ru, Rh, Os, Ir X=S, Se, Te, and Y=P, As, and Sb have been studied, includin...

    H. D. Lutz, G. Schneider, G. Kliche in Physics and Chemistry of Minerals (1983)

  13. No Access

    Article

    Ternäre Bromide mit Spinell-Struktur

    H. D. Lutz, W. Schmidt, H. Haeuseler in Naturwissenschaften (1981)

  14. No Access

    Article

    Gitterschwingungsspektren 13. Mitt. Normalkoordinatenanalyse und Kraftkonstantenrechnungen von Chromthiospinellen

    H. D. Lutz, H. Haeusler in Colloid and Polymer Science (1977)

  15. No Access

    Article

    Mischkristallbildung in den Systemen Co1−x Ni x Cr2S4, Cu1−x Ni x Cr2S4 und Co1−x Cu x Cr2S4 Chromchalkogenide, 5. Mitt.

    The miscibility within the systems CoCr2S4−NiCr2S4, CuCr2S4−NiCr2S4 and CoCr2S4−CuCr2S4 was studied by annealing the elements or binary sulphides. In the thiospinels CoCr2S4 and CuCr2S4, 20 per cent of cobalt and...

    H. D. Lutz, R. A. Becker, W. Türk, V. Buch in Monatshefte für Chemie / Chemical Monthly (1973)

  16. No Access

    Article

    Darstellung von Schwermetallchalkogenid-Einkristallen durch chemischen Transport mit Aluminiumchlorid

    Durch chemischen Transport mit wasseerfr. AlCl3 als Transportmittel konnten folgende Schwermetallsulfide und-selenide in Form von Einkristallen erhalten werden: Cr2S3, Cr3S4, Cr5S6, Cr7S8, CrS, Cr2Se3, Cr7Se8, Co...

    H. D. Lutz, Cs. Lovász, K. H. Bertram… in Monatshefte für Chemie / Chemical Monthly (1970)

  17. No Access

    Article

    Beiträge zur Chemie des Schwefels. 84

    High-purity sulphur was prepared by zone melting. The percentage of impurities (carbon < 2.4×10−4%, silicon 1.3×10−6%, magnesium 4.0×10−6%) was considerably smaller than in sulphur purified by other procedures. A...

    F. Fehér, H. D. Lutz, K. Obst in Fresenius' Zeitschrift für analytische Chemie (1967)