Synthesis and Structure of Ca6MnN5: A New Nitridomanganate with Planar [MnN3]6− Anions

D. H. Gregory, M. G. Barkers, P. P. Edwards, D. J. Siddons

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Abstract

The new ternary nitride Ca6MnN5 has been synthesized by the solid state reaction of Ca3N2 with Mn4N and characterized by powder X-ray diffraction. Ca6MnN5 crystallizes in the hexagonal space group P63/mcm (a = 6.2269(1) Å, c = 12.3122(1) Å, γ = 2) and is isostructural with Ca6FeN5 and Ca6GaN5. Manganese(III) forms trigonal planar [MnN3]6− units analogous to carbonate anions, which lie in planes parallel to the c axis, sandwiched between layers of Ca-N polyhedra. Calcium is coordinated to five nitrogens in a distorted square pyramidal geometry. Interestingly, at room temperature the material is diamagnetic.

Original languageEnglish
Pages (from-to)5195-5198
Number of pages4
JournalInorganic chemistry
Volume34
Issue number21
DOIs
Publication statusPublished - Oct 1 1995

All Science Journal Classification (ASJC) codes

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry

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    Gregory, D. H., Barkers, M. G., Edwards, P. P., & Siddons, D. J. (1995). Synthesis and Structure of Ca6MnN5: A New Nitridomanganate with Planar [MnN3]6− Anions. Inorganic chemistry, 34(21), 5195-5198. https://doi.org/10.1021/ic00125a017