ic0601945_si_001.cif (7.58 MB)

Pressure-Induced Internal Redox Reaction of Cs2[PdI4]·I2, Cs2[PdBr4]·I2, and Cs2[PdCl4]·I2

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posted on 27.11.2006, 00:00 by Peter Heines, Hans-Lothar Keller, Marc Armbrüster, Ulrich Schwarz, John Tse
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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