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

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Abstract

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.

Graphical abstract: Solvent-free synthesis and room temperature proton conductivity of new cobalt phosphite–oxalates

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Publication details

The article was received on 20 Jul 2018, accepted on 15 Aug 2018 and first published on 16 Aug 2018


Article type: Paper
DOI: 10.1039/C8CE01198B
Citation: CrystEngComm, 2018, Advance Article
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    Solvent-free synthesis and room temperature proton conductivity of new cobalt phosphite–oxalates

    F. Gao, L. Huang, Z. Xiu, Y. Yin, Y. Ma, Y. Bi and Z. Zheng, CrystEngComm, 2018, Advance Article , DOI: 10.1039/C8CE01198B

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