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Inorganics 2016, 4(4), 29; doi:10.3390/inorganics4040029

Synthesis and Structure Determination of the Quaternary Zinc Nitride Halides Zn2NX1−yX′y (X, X′ = Cl, Br, I; 0 < y < 1)

Chair of Solid-State and Quantum Chemistry, Institute of Inorganic Chemistry and JARA-FIT, RWTH Aachen University, Aachen D-52056, Germany
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Academic Editor: Rainer Niewa
Received: 30 August 2016 / Revised: 22 September 2016 / Accepted: 23 September 2016 / Published: 29 September 2016
(This article belongs to the Special Issue Novel Solid-State Nitride Materials)
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Abstract

The quaternary series Zn2NCl1−yBry and Zn2NBr1−yIy were synthesized from solid-liquid reactions between zinc nitride and the respective zinc halides in closed ampoules, and the evolution of their crystal structures was investigated by single-crystal and powder X-ray diffraction. Zn2NX1−yX′y (X, X′ = Cl, Br, I) adopts the anti-β-NaFeO2 motif in which each nitride ion is tetrahedrally coordinated by four zinc cations, and the halide anions are located in the voids of the skeleton formed by corner-sharing [NZn4] tetrahedra. While Zn2NCl1−yBry crystallizes in the acentric orthorhombic space group Pna21 (No. 33), isotypic to Zn2NX (X = Cl, Br), the structure of Zn2NBr1−yIy is a function of the iodide concentration, namely, Zn2NBr (Pna21) for low iodine content and Zn2NI (Pnma) for higher (y ≥ 0.38). View Full-Text
Keywords: nitride; halide; synthesis; crystal structure nitride; halide; synthesis; crystal structure
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Li, Y.; Liu, X.; Dronskowski, R. Synthesis and Structure Determination of the Quaternary Zinc Nitride Halides Zn2NX1−yX′y (X, X′ = Cl, Br, I; 0 < y < 1). Inorganics 2016, 4, 29.

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