Yttrium Borides - YB12 (yttrium Dodecaboride)

YB12 (yttrium Dodecaboride)

YB12 crystals have a cubic structure with density of 3.44 g/cm3, Pearson symbol cF52, space group Fm3m (No. 225), a = 0.7468 nm. Its structural unit is 12 cuboctahedron. The Debye temperature of YB12 is ~1040 K, and it is not superconducting at temperatures above 2.5 K.

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