A monoclinic form of anhydrous Cs2PdCl4

Danrui Ni, Shu Guo, Zoë S. Yang, Hsin Ya Kuo, F. Alex Cevallos, Robert J. Cava

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

A previously unreported monoclinic form of Cs2PdCl4 is described. It is found to transform into the reported orthorhombic form on exposure to atmospheric moisture. Infrared spectroscopy and TGA analysis of the previously reported orthorhombic form of Cs2PdCl4 reveals that it is a hydrate with a formula of approximately Cs2PdCl4:4H2O. Water is not present in the monoclinic material. The compound is non-magnetic, which is attributed to a low spin configuration for 4 d8 Pd2+ in square planar coordination with Cl. The band gaps of the two forms are found to be 2.13 and 2.21 eV, consistent with their colors. A DFT-calculated electronic structure for the monoclinic form is presented.

Original languageEnglish (US)
Pages (from-to)118-123
Number of pages6
JournalSolid State Sciences
Volume87
DOIs
StatePublished - Jan 2019

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

Keywords

  • Chloride
  • Dicesiumtetrachloropalladate(II)
  • Phase transition
  • Single crystal X-ray diffraction
  • Solid state reaction

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