NaCo(H2PO2)3: Crystal structure and physical study

Brahim El Bali, Mohammed Lachkar, Rachid Essehli, Michal Dusek, Jan Rohlicek, Nicoleta Mircescu, Christoph Haisch

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Abstract

NaCo(H2PO2)3 was synthesized in solution and its structure was studied by single-crystal X-ray diffraction. It crystallizes in the cubic space group P213 (#198), Z = 4, a = 9.2563(16) Å, V = 793.1(2) Å3. Final residual factors of the refined structure model R/Rw were 0.0367/0.0941. The cations Na+ and Co2+ are both octahedrally coordinated. [NaO6] and [CoO6] share edges to form channels propagating along [1,-1, -1] with the [H2PO2] pseudo-pyramids adjusted inside the channels to the above mentioned octahedra. The IR and Raman spectroscopic studies show the expected bands of the hypophosphite anion. NaCo(H2PO2)3 did not show any electrochemical activity under the electrochemical test conditions (2.4-4.5 V vs. Na/Na+).

Original languageEnglish
Pages (from-to)30-34
Number of pages5
JournalJournal of Molecular Structure
Volume1123
DOIs
Publication statusPublished - 5 Nov 2016

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Keywords

  • Batterie-test
  • Crystal structure
  • Hypophosphite
  • Raman spectroscopy

ASJC Scopus subject areas

  • Spectroscopy
  • Analytical Chemistry
  • Inorganic Chemistry
  • Organic Chemistry

Cite this

El Bali, B., Lachkar, M., Essehli, R., Dusek, M., Rohlicek, J., Mircescu, N., & Haisch, C. (2016). NaCo(H2PO2)3: Crystal structure and physical study. Journal of Molecular Structure, 1123, 30-34. https://doi.org/10.1016/j.molstruc.2016.06.022