Výsledky vyhledávání - "Claus Flensburg"

Modeling of the nuclear parameters for H atoms in X-ray charge-density studies

Autor: Sine Larsen, Anders Ø. Madsen, Henning Osholm Sørensen, Claus Flensburg, Robert F. Stewart

Publikováno v: Acta Crystallographica Section A Foundations of Crystallography. 60:550-561

Extensive and precise X-ray diffraction data for xylitol have been used to test different approaches to estimate nuclear parameters for H atoms in charge-density studies. The parameters from a neutron diffraction study of the same compound were taken

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1a905376f9418f4664e968c0ead4b812
https://doi.org/10.1107/s0108767304018306

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Lead(IV) complexes with phosphinoyldithioformates, R2P(O)CS2− (R = Ph or PhCH2). Syntheses and characterization. Crystal structures of [PPh4][S2CP(O)Ph2]·0.5H2O, [PbPh2{S2CP(O)Ph2}2] and [PbPh2Cl{S2CP(O)Ph2}]

Autor: Peter Andersen, Claus Flensburg, Sigurjón Norberg Ólafsson

Publikováno v: Journal of the Chemical Society, Dalton Transactions. :4360-4368

Lead(IV) complexes with phosphinoyl substituted dithioformate, L = R2P(O)CS2− (R = Ph or PhCH2), have been synthesized and characterized by UV/vis, IR and NMR (1H, 13C and 31P). The following types of compounds are described: (PPh4)L, PbPh2L2, PbPh

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::559f3aea8ba5ea0dd0973572cde061cd
https://doi.org/10.1039/b006672i

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Lattice dynamical Debye-Waller factor for silicon

Autor: Robert F. Stewart, Claus Flensburg

Publikováno v: Physical Review B. 60:284-291

The mean-square amplitude of vibration of silicon at 293 K has been determined by a lattice-dynamical procedure. A Born\char21{}von K\'arm\'an model has been used to fit phonon dispersion data from inelastic neutron-scattering measurements. The force

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::63f00cbd2357666076ff89d7d83bd4e1
https://doi.org/10.1103/physrevb.60.284

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Properties of the Experimental Crystal Charge Density of Methylammonium Hydrogen Maleate. A Salt with a Very Short Intramolecular O−H−O Hydrogen Bond

Autor: Dennis Madsen, Sine Larsen, Claus Flensburg

Publikováno v: The Journal of Physical Chemistry A. 102:2177-2188

The experimental crystal charge density of deuterated methylammonium hydrogen maleate has been determined from neutron and X-ray diffraction data collected at 122.4 K. Refinements of the neutron diffraction data showed that the very short intramolecu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2651e36e55ee7aaecee077c646bba045
https://doi.org/10.1021/jp972419q

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Tryptophan-derived peptides. 1: Crystal structure and solution conformation of Boc-Gly-Trp-Ala-OtBu

Autor: Per Halfdan Nielsen, Uffe Anthoni, Jan H. Jensen, Carsten Christophersen, Claus Flensburg, Mogens Jakobsen

Publikováno v: Structural Chemistry. 7:103-110

The solid-state structure of Boc-Gly-Trp-Ala-OBut was determined by single-crystal X-ray diffraction analysis. The tripeptide gave crystals belonging to the orthorhombic systemP212121 and at 122.0(5) K:a=11.0663(12),b=14.107(2),c=17.275(2) A,V=2697.0

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c6ee230ded71a14de4a7665446547b3b
https://doi.org/10.1007/bf02278735

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