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(Sr2N)H: Untersuchungen zur Redox-Intercalation von Wasserstoff in Sr2N

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

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Auffermann,  G.
Gudrun Auffermann, Inorganic Chemistry, 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

Chemnitzer, R., Auffermann, G., Többens, D. M., & Kniep, R. (2005). (Sr2N)H: Untersuchungen zur Redox-Intercalation von Wasserstoff in Sr2N. Zeitschrift für anorganische und allgemeine Chemie, 631(10), 1813-1817. doi:10.1002/zaac.200500105.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0015-2C87-1
Abstract
Strontium-nitride-hydride is obtained as brown-yellow single phase powder by reaction of strontium-subnitride (Sr2N) with hydrogen (200 bar, 620 K) and subsequent treatment under vacuum (10−6 bar, 870 K). The structure determination was carried out by a combination of X-ray and neutron diffraction experiments on a deuterated sample. The elemental composition of the ternary compound was confirmed by means of chemical analyses. (Sr2N)D crystallizes in the space group equation image with a = 381.91(2) pm and c = 1887.61(2) pm. Strontium (Sr2+) in the crystal structure of (Sr2N)D is arranged with an only slightly distorted ccp-motif. Nitrogen (N3−) and deuterium (D−) occupy the octahedral voids of the Sr2+-matrix in an ordered manner resulting in an alternating sequence of layers (anti-α-NaFeO2-type structure).