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Synthesis and Crystal Structure of Lithiumozonide-Ammonia (1/5) LiO

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Darstellung und Kristallstruktur von

Lithiumozonid-Ammoniakat (1/5) LiO

3

· 5 NH

3

Synthesis and Crystal Structure of Lithiumozonide-Ammonia (1/5) LiO

3

5 NH

3

Wilhelm Klein

a

und Martin Jansen

b

aInstitut f¨ur Anorganische Chemie der Universit¨at Bonn, Gerhard-Domagk-Straße 1, 53121 Bonn

bMax-Planck-Institut f¨ur Festk¨orperforschung, Heisenbergstraße 1, 70569 Stuttgart Sonderdruckanforderungen an Prof. Dr. M. Jansen; Fax: 0711/689-1502;

e-mail: hamilton@jansen.mpi-stuttgart.mpg.de

Z. Naturforsch.54 b,1345–1349 (1999); eingegangen am 28. Juni 1999

Lithium Ozonide Ammonia, Ionic Ozonides, Lithium Tetramine Complex, Crystal Structure Lithium ozonide has been synthezised starting from cesium ozonide via cation exchange in liquid ammonia and crystallizes at -78C as an ammoniate, LiO3 5NH3. The coarse, ruby red crystals decompose above the boiling temperature of ammonia and are extremely sensitive to moisture. The crystal structure of LiO3 5NH3(P c21n; a = 1231.9(5), b = 637.4(2), c = 1104.8(4) pm; Z = 4; R1= 4.57%; 1318 independent reflections) consists of lithium tetramine complexes, ozonide anions and non coordinating ammonia molecules. With respect to the arrangement of the complex cations and of the anions there is similarity to the WC type of structure. The central oxygen atom of the ozonide anion is disordered.

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