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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]

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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

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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)

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    Chalcogenido-Bridged Clusters by Reactions of Chalcogenostannate Salts

    Zimmermann, Christian, Anson, Christopher, Dehnen, Stefanie
    Journal of Cluster Science, 2007, Vol.18(3), pp.618-629 [Peer Reviewed Journal]
    Springer Science & Business Media B.V.
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    Title: Chalcogenido-Bridged Clusters by Reactions of Chalcogenostannate Salts
    Author: Zimmermann, Christian; Anson, Christopher; Dehnen, Stefanie
    Subject: Chalcogenido-bridged clusters ; chalcogenostannates ; X-ray diffractometry
    Description: Reactions of [ en H] 4 [Sn 2 S 6 ] or K 6 [Sn 2 Te 6 ] with [Cp*CoCl] 2 (Cp* = C 5 Me 5 ), or [ en H] 4 [Sn 2 Se 6 ]· en ( en  = 1,2-diaminoethane) with [{CpFe(CO) 2 } 2 SnCl 2 ] leads to the formation of three chalcogenido-bridged transition metal complexes via an unusual synthesis route. [(Cp*Co) 3 ( μ 3 -S) 2 ] ( 1 ), [(Cp*Co) 3 ( μ 3 -Te) 2 ] ( 2 ), and [{CpFe(CO) 2 } 3 {CpFe(CO)}Sn 3 Se 4 ] ( 3 ) were structurally characterized by means of single-crystal X-ray diffractometry and represent previously unknown homologues of a selenium bridged analogue ( 1 or 2 ) or of Fe–S clusters ( 1 or 3 ). Compounds 1 and 2 , together with the previously reported Se analogue, show a progression from a symmetrical closo -trigonal-bipyramidal structure to the square-pyramidal structure predicted by the Wade-Mingos Rules for a 50 electron cluster.
    Is part of: Journal of Cluster Science, 2007, Vol.18(3), pp.618-629
    Identifier: 1040-7278 (ISSN); 1572-8862 (E-ISSN); 10.1007/s10876-007-0130-0 (DOI)

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    Antimycobacterial activity of mixed-ligand copper quinolone complexes

    Saha, Dilip, Padhye, Subhash, Anson, Christopher, Powell, Annie
    Transition Metal Chemistry, 2003, Vol.28(5), pp.579-584 [Peer Reviewed Journal]
    Springer Science & Business Media B.V.
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    Title: Antimycobacterial activity of mixed-ligand copper quinolone complexes
    Author: Saha, Dilip; Padhye, Subhash; Anson, Christopher; Powell, Annie
    Description: New mixed-ligand Cu II , complexes: [Cu(cf)(phen)Cl)](BF 4 ) · 4H 2 O (3) , [Cu(cf)(bipy)(Cl)](BF 4 ) · 2H 2 O (4) and [Cu(cf)(dafone)(Cl)](BF 4 ) · 2H 2 O (5) (cf = ciprofloxacin, phen = 1,10-phenanthroline, bipy = 2,2′-bipyridine and dafone = 4,5-diazafluoren-9-one) have been isolated and characterized by elemental analyses, i.r., u.v.–vis. spectra, magnetic susceptibility and cyclic voltammetry. Complex (4) crystallizes in the monoclinic space group P2 1 /n with a = 13.8919(13) Å, b = 14.5718(13) Å, c = 14.0725(13) Å, β = 95.150(2)°, V =2837.2(5) Å 3 . All complexes possess square-pyramidal geometry. The antimycobacterial activity of ciprofloxacin and complexes (3–5) has been evaluated against Mycobacterium smegmatis , which shows clear enhancement in the antitubercular activity upon copper complexation with N—N donors.
    Is part of: Transition Metal Chemistry, 2003, Vol.28(5), pp.579-584
    Identifier: 0340-4285 (ISSN); 1572-901X (E-ISSN); 10.1023/A (DOI)

    • Several versions

    Synthesis, Characterization, Electrochemistry, Photoluminescence and Magnetic Properties of a Dinuclear Erbium(III)-Containing Monolacunary Dawson-Type Tungstophosphate: {Er(HO)(CHCOO)(PWO)}

    Ibrahim, Masooma, Baksi, Ananya, Peng, Yan, Al-Zeidaneen, Firas Khalil, Mbomekallé, Israël M, De Oliveira, Pedro, Anson, Christopher E
    Molecules (Basel, Switzerland), 15 September 2020, Vol.25(18) [Peer Reviewed Journal]

    • Several versions

    PHOTON-2017 conference proceedings

    D'Enterria, David, de Roeck, Albert, Mangano, Michelangelo, Adam, Jaroslav, Alvioli, Massimiliano, Anson, Christopher, Bakhshiansohi, Hamed, Baldenegro, Cristian, Bertone, Valerio, Brodsky, Stanley, Bussey, Peter, Chau, Chav, Chou, Weiren, Chudasama, Ruchi, Cornet, Fernando, D'Enterria, David, Dittmaier, Stefan, Dobrich
    arXiv.org, Dec 19, 2018

    • Several versions

    Syntheses, Crystal Structure, Electrocatalytic, and Magnetic Properties of the Monolanthanide-Containing Germanotungstates [Ln(H2O) n GeW11O39]5– (Ln = Dy, Er, n = 4,3)

    Ibrahim, Masooma, Mbomekallé, Israël M, de Oliveira, Pedro, Baksi, Ananya, Carter, Anthony B, Peng, Yan, Bergfeldt, Thomas, Malik, Sharali, Anson, Christopher E
    ACS omega, 24 December 2019, Vol.4(26), pp.21873-21882