Organically templated metal sulfate-oxalates: Solvent-free synthesis, crystal structure, and proton conduction
Abstract
Two new metal sulfate-oxalates, namely, (H4bapp)0.5·VO(SO4)(C2O4) (SCU-11) and H2depaṡMn2(SO4)(C2O4)2(H2O)ṡH2O (SCU-13), were prepared under solvent-free conditions, where bapp = 1,4-bis(3-aminopropyl)piperazine and depa = 3-(diethylamino)propylamine. SCU-11 has a chainlike structure containing pendant SO4 groups. SCU-13 has a three-dimensional open-framework structure with chainlike manganese oxalate chains assembled by SO4 groups. Notably, SCU-11 shows excellent water stability and a high proton conductivity of 1.2 × 10-3 S cm-1 at 25 °C under 98% relative humidity. The magnetic susceptibility data for the two compounds were also reported.
- Publication:
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Journal of Solid State Chemistry France
- Pub Date:
- August 2019
- DOI:
- 10.1016/j.jssc.2019.04.031
- Bibcode:
- 2019JSSCh.276....1Z
- Keywords:
-
- Solvent-free synthesis;
- Crystal structure;
- Metal sulfate-oxalates;
- Water stability;
- Proton conduction