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

doi:10.1021/ic00125a017

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

Research output: Contribution to journal › Article › peer-review

40 Citations (Scopus)

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 language	English
Pages (from-to)	5195-5198
Number of pages	4
Journal	Inorganic chemistry
Volume	34
Issue number	21
DOIs	https://doi.org/10.1021/ic00125a017
Publication status	Published - Oct 1 1995
Externally published	Yes

All Science Journal Classification (ASJC) codes

Physical and Theoretical Chemistry
Inorganic Chemistry

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10.1021/ic00125a017

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

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) {\AA}, c = 12.3122(1) {\AA}, 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.",

author = "Gregory, {D. H.} and Barkers, {M. G.} and Edwards, {P. P.} and Siddons, {D. J.}",

year = "1995",

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T1 - Synthesis and Structure of Ca6MnN5

T2 - A New Nitridomanganate with Planar [MnN3]6− Anions

AU - Gregory, D. H.

AU - Barkers, M. G.

AU - Edwards, P. P.

AU - Siddons, D. J.

PY - 1995/10/1

Y1 - 1995/10/1

N2 - 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.

AB - 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.

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

Abstract

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