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Pressure-and temperature induced phase transitions, piezochromism, NLC behaviour and pressure controlled Jahn–Teller switching in a Cu-based framework

DOI: 10.1039/D0SC03229H DOI Help

Authors: Charles J. Mcmonagle (The University of Edinburgh) , Priyanka Comar (The University of Edinburgh) , Gary S. Nichol (The University of Edinburgh) , David R. Allan (Diamond Light Source) , Jesús González (University of Cantabria) , José A. Barreda-argüeso (University of Cantabria) , Fernando Rodríguez (University of Cantabria) , Rafael Valiente (University of Cantabria – IDIVAL) , Gemma F. Turner (University of Western Australia) , Euan K. Brechin (The University of Edinburgh) , Stephen A. Moggach (University of Western Australia)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Chemical Science , VOL 11 , PAGES 8793 - 8799

State: Published (Approved)
Published: August 2020

Open Access Open Access

Abstract: In situ single-crystal diffraction and spectroscopic techniques have been used to study a previously unreported Cu-framework bis[1-(4-pyridyl)butane-1,3-dione]copper(II) (CuPyr-I). CuPyr-I was found to exhibit high-pressure and low-temperature phase transitions, piezochromism, negative linear compressibility, and a pressure induced Jahn–Teller switch, where the switching pressure was hydrostatic media dependent.

Subject Areas: Chemistry


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