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    • Several versions

    Energy dependence of the freeze-out eccentricity from the azimuthal dependence of hbt at star

    Anson, Christopher
    Journal of Physics G: Nuclear and Particle Physics, 2011, Vol.38(12), p.124148 (4pp) [Peer Reviewed Journal]

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    Spectroscopic, structural and DFT study of the responses of carbonylmetal crown ether complexes to alkali metal cations

    Stephenson, G. Richard
    Anson, Christopher E, Creaser, Colin S, Daul, Claude A
    European Journal of Inorganic Chemistry. - 2011///2086–2097
    2011-04-20
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    Title: Spectroscopic, structural and DFT study of the responses of carbonylmetal crown ether complexes to alkali metal cations
    Author: Stephenson, G. Richard
    Contributor: Anson, Christopher E; Creaser, Colin S; Daul, Claude A
    Date: 2011-04-20
    Description: FTIR spectra of tricarbonyl(η⁶-benzo-15-crown-5)chromium(0) (1) in the presence of lithium, sodium and potassium perchlorate salts in methanol show different responses in the Cr–CO vibrational region of the spectrum. Data from the symmetric (νsym) and antisymmetric (νasym) Cr–CO vibrational stretching modes have been analysed by principal component analysis (PCA) to generate a factor score plot that provides a visual representation of these differential responses. X-ray crystallographic data for the sodium perchlorate complex 1·Na⁺ and dimensions from DFT-derived structures of 1·Li⁺, 1·Na⁺ and 1·K⁺ indicate that binding M⁺ in the crown causes electron density and structural changes in the [O(4)–C(9)–C(4)–O(8)]Cr–C(1)=O(1) sections of 1, which vary depending on the nature of the cation. This suggests a mode of action in which Li⁺ associates with a more compact O(4)–C(9)–C(4)–O(8), while Na⁺ and K⁺ differ crucially in the extent of σ and π contributions to their effect on νsym and νasym. A comparison of the FTIR data from 1, tricarbonyl(η⁶-1-phenyl-1-aza-15-crown-5)chromium(0) (2) and tricarbonyl(η⁶-2-phenyl-15-crown-5)chromium(0) (3) with a wider range of cations (NH₄⁺, Li⁺, Na⁺, K⁺, Rb⁺, Cs⁺, Mg²⁺, Ba²⁺) and anions (AcO⁻, BPh₄⁻, Br⁻, C1O₄⁻, I⁻, SCN⁻), showed that 1 and 3 both responded significantly to the different metal cations, but 2 did not. The relative cation differentiation of 1, 2 and 3 was measured using the parameter ΔR(cation), and ratios of ΔN(cation) values [calculated from ΔR(cation)] distinguished different effects in the FTIR spectra of 1 and 3 for different pairs of cations.
    Linked entry: European Journal of Inorganic Chemistry. - 2011///2086–2097
    Host document: European Journal of Inorganic Chemistry
    Identifier: 10.1002/ejic.201001274 (DOI)

    • Several versions

    Tuning of Hula-Hoop Coordination Geometry in a Dy Dimer

    Peng, Yan, Mereacre, Valeriu, Anson, Christopher, Powell, Annie
    Inorganics, 2016, Vol.4(1), p.2 [Peer Reviewed Journal]

    • Several versions

    High spin cycles: topping the spin record for a single molecule verging on quantum criticality

    Magnani, Nicola, Anson, Christopher, Richter, Johannes, Powell, Annie
    NPJ Quantum Materials, 2018, Vol.3(1) [Peer Reviewed Journal]

    • Dissertation
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    Energy dependent Hanbury Brown - Twiss interferometry and the freeze-out eccentricity of heavy ion collisions at STAR

    Anson, Christopher Daniel
    Electronic Theses and Dissertations (OhioLINK)
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    Title: Energy dependent Hanbury Brown - Twiss interferometry and the freeze-out eccentricity of heavy ion collisions at STAR
    Author: Anson, Christopher Daniel
    Publisher: The Ohio State University / OhioLINK
    Date: 21 May 2014
    Subject: Nuclear Physics ; Hbt ; Femtoscopy ; Beam Energy Scan ; Rhic ; Star

    • Several versions

    Synthesis and Characterization of a Heterometallic Extended Architecture Based on a Manganese(II)-Substituted Sandwich-Type Polyoxotungstate

    Ibrahim, Masooma, Moreno-Pineda, Eufemio, Bergfeldt, Thomas, Anson, Christopher E, Powell, Annie K
    Materials (Basel, Switzerland), 17 January 2018, Vol.11(1) [Peer Reviewed Journal]

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    Engineering of ferrimagnetic Cu12-cluster arrays through supramolecular interactions

    Murugesu, Muralee, Anson, Christopher E, Powell, Annie K
    Chemical communications (Cambridge, England), 21 May 2002(10), pp.1054-5 [Peer Reviewed Journal]
    MEDLINE/PubMed (U.S. National Library of Medicine)
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    Title: Engineering of ferrimagnetic Cu12-cluster arrays through supramolecular interactions
    Author: Murugesu, Muralee; Anson, Christopher E; Powell, Annie K
    Description: Ferrimagnetic oxo-bridged Cu12 aggregates can be organised into a variety of arrays by utilising structure-directing effects of counter ions, solvent molecules and linker units.
    Is part of: Chemical communications (Cambridge, England), 21 May 2002(10), pp.1054-5
    Identifier: 1359-7345 (ISSN); 12122661 Version (PMID)

    • Several versions

    Butterfly M2 IIIEr2 (MIII = Fe and Al) SMMs: Synthesis, Characterization, and Magnetic Properties

    Peng, Yan, Mereacre, Valeriu, Anson, Christopher E, Powell, Annie K
    ACS omega, 30 June 2018, Vol.3(6), pp.6360-6368

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    Formal encapsulation of Fe(H2O)6(3+) by {Fe2(hpdta)} units gives a system of S= 13/2 Fe(III)9 oxo clusters showing magnetic hysteresis

    Schmitt, Wolfgang, Anson, Christopher E, Wernsdorfer, Wolfgang, Powell, Annie K
    Chemical communications (Cambridge, England), 28 April 2005(16), pp.2098-100 [Peer Reviewed Journal]
    MEDLINE/PubMed (U.S. National Library of Medicine)
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    Title: Formal encapsulation of Fe(H2O)6(3+) by {Fe2(hpdta)} units gives a system of S= 13/2 Fe(III)9 oxo clusters showing magnetic hysteresis
    Author: Schmitt, Wolfgang; Anson, Christopher E; Wernsdorfer, Wolfgang; Powell, Annie K
    Subject: Magnetics ; Ferric Compounds -- Chemical Synthesis
    Description: Under solvothermal conditions the unprecedented nonanuclear Fe(III) aggregate [Fe9(mu3-O)4(mu-OH)4(hpdta)4]5- is formed through the formal encapsulation of [Fe(H2O)6]3+ by four [Fe2(hpdta)(H2O)2]+ units: the aggregates have ground state spins of S= 13/2 while the observed hysteresis below 1.8 K results from inter-cluster antiferromagnetic coupling.
    Is part of: Chemical communications (Cambridge, England), 28 April 2005(16), pp.2098-100
    Identifier: 1359-7345 (ISSN); 15846412 Version (PMID)

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    Reactions of P/S-containing proligands with coinage metal salts: a new route to polynuclear complexes with unusual structural types

    Shi, Weifeng, Ahlrichs, Reinhart, Anson, Christopher E, Rothenberger, Alexander, Schrodt, Claudia, Shafaei-Fallah, Maryam
    Chemical communications (Cambridge, England), 21 December 2005(47), pp.5893-5 [Peer Reviewed Journal]
    MEDLINE/PubMed (U.S. National Library of Medicine)
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    Title: Reactions of P/S-containing proligands with coinage metal salts: a new route to polynuclear complexes with unusual structural types
    Author: Shi, Weifeng; Ahlrichs, Reinhart; Anson, Christopher E; Rothenberger, Alexander; Schrodt, Claudia; Shafaei-Fallah, Maryam
    Description: The reactions of P/S-precursors with coinage metal alkoxides and carboxylates offer new perspectives for the synthesis of complex metal aggregates.
    Is part of: Chemical communications (Cambridge, England), 21 December 2005(47), pp.5893-5
    Identifier: 1359-7345 (ISSN); 16317466 Version (PMID)