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Journal Article

Preparation and crystal structure of Li4[TaN3]

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Niewa,  R.
Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Zherebtsov,  D. A.
Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Borrmann,  H.
Horst Borrmann, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Kniep,  R.
Rüdiger Kniep, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Citation

Niewa, R., Zherebtsov, D. A., Borrmann, H., & Kniep, R. (2002). Preparation and crystal structure of Li4[TaN3]. Zeitschrift für Anorganische und Allgemeine Chemie, 628(11), 2505-2508. doi:10.1002/1521-3749(200211)628:11<2505:AID-ZAAC2505>3.0.CO;2-S.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0015-30F9-2
Abstract
The new lithium nitridotantalate(V), Li-4[TaN3], was prepared by reaction of Li-15[CrN4](2)N with the wall of a welded Ta ampoule in the presence of metallic Li at 1470 K. Li-4[TaN3] forms colourless single crystals (platelets, space group Ibca, No. 73, a = 491.85(4) pm, b = 973.59(6) pm, c = 1415.0(1) pm, Z = 8, R1 = 0.0288). The crystal structure is described as Li2O superstructure with ordered occupation of the tetrahedral sites by Li and Ta. The resulting arrangement leads to infinite chains (1)(infinity)[TaN2N2/24-] running along [100].