Abstract
In the systems K-Al, Ga, In-Si, Ge, Sn each phase of composition K8(3B, 4B)46 was prepared. The crystal structure for K8(Al, Ge)48 and K8(Ga, Ge)46 was determined by X-ray investigations. In the systems Na-Al, Ga-Si, Ge the compounds Na8(Al, Ge)46 (crystal structure determined), Na8(Ga, Si)46 and Na8(Ga, Ge)46 were prepared.

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