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2005
Germanium
I 4700
34- 026
Synthesis and Structure of a Second Polymorph of Strontium Germanium Nitride:
β-Sr2GeN2. — Single crystals of the new β-Sr2GeN2 polymorph are obtained from the
reaction of a mixture of Sr, Ge, NaN3, and Mg in a Na melt (sealed Nb tube, 760 °C,
48 h). The compound crystallizes in the orthorhombic space group Cmca with Z = 8.
The structure of β-Sr 2GeN2 is closely related to that of the corresponding α-phase. Both
polymorphs contain isolated bent G eN42 anions, but they differ in their relative orientations in the crystal lattice. — (PARK*, D. G.; GAL, Z. A.; DISALVO, F. J.; Bull.
Korean Chem. Soc. 26 (2005) 5, 786-790; Dep. Chem., Sookmyung Women's Univ.,
Seoul 140-742, S. Korea; Eng.) — Schramke
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