Search Results - "LUGER, Peter"
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Accurate Bond Lengths to Hydrogen Atoms from Single‐Crystal X‐ray Diffraction by Including Estimated Hydrogen ADPs and Comparison to Neutron and QM/MM Benchmarks
Published in Chemistry : a European journal (03-04-2017)“…Amino acid structures are an ideal test set for method‐development studies in crystallography. High‐resolution X‐ray diffraction data for eight previously…”
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The Significance of Ionic Bonding in Sulfur Dioxide: Bond Orders from X-ray Diffraction Data
Published in Angewandte Chemie International Edition (02-07-2012)“…A novel refinement technique for X‐ray diffraction data has been employed to derive SO bond orders in sulfur dioxide experimentally. The results show that…”
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3
Validation of X‐ray Wavefunction Refinement
Published in Chemphyschem (06-12-2017)“…In this work, the quality of the electron density in crystals reconstructed by the multipolar model (MM) and by X‐ray wavefunction refinement (XWR) is tested…”
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A Simple Approach to Nonspherical Electron Densities by Using Invarioms
Published in Angewandte Chemie International Edition (10-05-2004)“…The transfer of multipole parameters from theoretically calculated pseudoatoms (invarioms) allows the derivation of nonspherical electron densities and related…”
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5
How to Make the Ionic Si−O Bond More Covalent and the Si−O−Si Linkage a Better Acceptor for Hydrogen Bonding
Published in Inorganic chemistry (18-05-2009)“…Variation of a bond angle can tune the reactivity of a chemical compound. To exemplify this concept, the nature of the siloxane linkage (Si−O−Si), the most…”
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6
Electron densities of bexarotene and disila-bexarotene from invariom application: a comparative study
Published in Organic & biomolecular chemistry (14-04-2013)“…By the application of the invariom formalism, which provides aspherical atomic scattering factors, the electron densities of the RXR-selective retinoid…”
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7
Effect of Electron-Withdrawing Substituents on the Epoxide Ring: An Experimental and Theoretical Electron Density Analysis of a Series of Epoxide Derivatives
Published in Journal of organic chemistry (04-03-2011)“…A series of acceptor-substituted epoxide derivatives is scrutinized by means of experimental and theoretical electron-density investigations. Due to the…”
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A comparative study on the experimentally derived electron densities of three protease inhibitor model compounds
Published in Organic & biomolecular chemistry (01-01-2008)“…In order to contribute to a rational design of optimised protease inhibitors which can covalently block the nucleophilic amino acids of the proteases' active…”
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How to easily replace the independent atom model - the example of bergenin, a potential anti-HIV agent of traditional Asian medicine
Published in Acta crystallographica. Section B, Structural science (01-12-2009)“…Bergenin, which has been isolated from a variety of tropical plants, has several pharmacological applications in traditional Asian medicine. Its…”
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10
Electron Density and Bonding at Inverted Carbon Atoms: An Experimental Study of a [1.1.1]Propellane Derivative
Published in Angewandte Chemie International Edition (20-06-2005)“…Synchrotron radiation was required for high‐resolution diffraction experiments to determine the electron density and analyze the topology of a new…”
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Isolation and Structure Elucidation of Cruentarens A and B - Novel Members of the Benzolactone Class of ATPase Inhibitors from the Myxobacterium Byssovorax cruenta
Published in European Journal of Organic Chemistry (01-11-2006)“…Two novel secondary metabolites, namely cruentaren A (1) and B (2), have been isolated from the myxobacterium Byssovorax cruenta. Their structures have been…”
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Comparative experimental electron density and electron localization function study of thymidine based on 20 K X-ray diffraction data
Published in Acta crystallographica. Section B, Structural science (01-06-2008)“…From a high‐resolution X‐ray data set (sin θ/λ = 1.1 Å−1) measured at 20 K the electron‐density distribution of the nucleoside thymidine was derived by a…”
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13
Maastrichtian to Paleocene facies evolution and Cretaceous/Tertiary boundary in Middle and Southern Egypt
Published in Spanish journal of palaeontology (02-09-2022)“…The sedimentary history and facies development of southern Egypt during the Latest Cretaceous and Early Paleogene is summarized. The G. eugubina Zone is…”
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14
Electron density of a cyclic tetrasaccharide composed of benzoylated galactose units
Published in Zeitschrift für Naturforschung. B, A journal of chemical sciences (28-03-2023)“…The electron density distribution (EDD) of a cyclic tetrasaccharide composed of four benzoylated galactopyranosyl units was calculated from refinement with…”
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15
Electron density of the 1:2 complex of valinomycin with calcium triflate observed in crystals of the composition (valinomycin)Ca2(OTf)4(THF)5(H2O)4
Published in Zeitschrift für Naturforschung. B, A journal of chemical sciences (27-09-2022)“…The electron density of a 1:2 complex of valinomycin with calcium triflate consisting of 10 substructures and a total of 279 atoms was examined using the…”
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Electron density of the 1:2 complex of valinomycin with calcium triflate observed in crystals of the composition (valinomycin)Ca 2 (OTf) 4 (THF) 5 (H 2 O) 4
Published in Zeitschrift für Naturforschung. B, A journal of chemical sciences (27-09-2022)“…The electron density of a 1:2 complex of valinomycin with calcium triflate consisting of 10 substructures and a total of 279 atoms was examined using the…”
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17
Comparative electron density study on three compounds obtained from Ilex cornuta leaves and known for their anti-adipogenic properties
Published in Zeitschrift für Naturforschung. B, A journal of chemical sciences (22-11-2024)“…Overweight and adiposity are of increasing actual importance. The title compounds from traditional Asian medicine raised actual interest for their…”
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18
Electron density of a benzoylated tetrafructopyranose
Published in Zeitschrift für Naturforschung. B, A journal of chemical sciences (26-07-2022)“…The electron density distribution (EDD) of a tetrasaccharide composed of four benzoylated fructopyranosyl units was obtained by refinement with scattering…”
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Crystal and Molecular Structures and Experimentally Determined Charge Densities of Fluorinated Ethenes
Published in Chemistry : a European journal (11-10-2004)“…Crystals of various fluorinated ethenes were grown by in situ crystallization from their melts on a diffractometer, allowing the structures of…”
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20
Electron density of a nanohoop [2]rotaxane based on invariom refinement
Published in Zeitschrift für Naturforschung. B, A journal of chemical sciences (23-02-2021)“…Rotaxanes as well as catenanes are known as potential building blocks of molecular machines. The nanohoop [2]rotaxane investigated is composed of a macrocycle…”
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