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Published on: December 29, 2016
Pressure-induced internal redox reaction of Cs2[PdI4].I2, Cs2[PdBr4].I2, and Cs2[PdCl4].I2
Peter Heines1, Hans-Lothar Keller, Marc Armbrüster
1Anorganische Chemie, Universität Dortmund, Otto-Hahn-Strasse 6, D-44221 Dortmund, Germany.
Abstract:
The pressure-induced redox reaction within the system Cs2[Pd2+I4].I2/Cs2[Pd4+I6] was investigated by means of powder X-ray diffraction. Analogous high-pressure X-ray diffraction experiments were performed on the isostructural compounds Cs2[PdX4].I2 (X = Cl, Br). Additionally, the phase transition of Cs2[PdBr4].I2 to Cs2[PdBr4I2] was characterized by means of Raman scattering experiments as well as theoretical calculations based on density functional theory. On the basis of experimentally determined crystal structure data, a pathway for the topology of the redox reactions was developed and outlined.
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