Solvent-free synthesis and room temperature proton conductivity of new cobalt phosphite-oxalates

Fan Gao, Liangliang Huang, Zhijia Xiu, Yanzhen Yin, Yike Ma, Yanfeng Bi, Zhiping Zheng

Research output: Contribution to journalArticlepeer-review

13 Scopus citations


Two new cobalt phosphite-oxalates, formulated as Co2(H2PO3)2(C2O4)3(C6N2H16)2 (1) and Co2(H2PO3)2(C2O4)2(C6N2H16) (2), have been synthesized under solvent-free conditions. Single-crystal X-ray diffraction analysis reveals that compound 1 has a 1D chain-like structure decorated with phosphite groups. It is noted that there are two coordination modes of oxalate ligands in the structure. Compound 2 is a 2D distorted honeycomb-like layered open-framework structure with 12-membered ring windows. Notably, compound 2 possesses room temperature proton conductivity. Extensive hydrogen bonds existing between the host framework and guest part play an important role as proton-conducting pathways.

Original languageEnglish (US)
Pages (from-to)5544-5550
Number of pages7
Issue number37
StatePublished - 2018

ASJC Scopus subject areas

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


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