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Structure-property relationship of a complex photoluminescent arylacetylide-gold(I) compound. I: a pressure-induced phase transformation caught in the act.
Jastrzebska, Róza; Poreba, Tomasz; Cova, Federico; Tchon, Daniel M; Makal, Anna.
Afiliación
  • Jastrzebska R; Biological and Chemical Research Centre, Faculty of Chemistry, University of Warsaw, Zwirki i Wigury 101, 02-089 Warszawa, Poland.
  • Poreba T; Laboratory for Quantum Magnetism, École Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland.
  • Cova F; ALBA Synchrotron BL31-FaXToR, Cerdanyola del Vallés, Cataluña, Spain.
  • Tchon DM; Biological and Chemical Research Centre, Faculty of Chemistry, University of Warsaw, Zwirki i Wigury 101, 02-089 Warszawa, Poland.
  • Makal A; Biological and Chemical Research Centre, Faculty of Chemistry, University of Warsaw, Zwirki i Wigury 101, 02-089 Warszawa, Poland.
IUCrJ ; 11(Pt 5): 737-743, 2024 Sep 01.
Article en En | MEDLINE | ID: mdl-39178065
ABSTRACT
A pressure-induced triclinic-to-monoclinic phase transition has been caught `in the act' over a wider series of high-pressure synchrotron diffraction experiments conducted on a large, photoluminescent organo-gold(I) compound. Here, we describe the mechanism of this single-crystal-to-single-crystal phase transition, the onset of which occurs at ∼0.6 GPa, and we report a high-quality structure of the new monoclinic phase, refined using aspherical atomic scattering factors. Our case illustrates how conducting a fast series of diffraction experiments, enabled by modern equipment at synchrotron facilities, can lead to overestimation of the actual pressure of a phase transition due to slow transformation kinetics.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: IUCrJ Año: 2024 Tipo del documento: Article País de afiliación: Polonia Pais de publicación: Reino Unido
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: IUCrJ Año: 2024 Tipo del documento: Article País de afiliación: Polonia Pais de publicación: Reino Unido