Materials Data on Hf2Al by Materials Project
Hf2Al is Khatyrkite structured and crystallizes in the tetragonal I4/mcm space group. The structure is three-dimensional. Hf is bonded in a 4-coordinate geometry to one Hf and four equivalent Al atoms. The Hf–Hf bond length is 2.93 Å. All Hf–Al bond lengths are 2.91 Å. Al is bonded in a 10-coordinate geometry to eight equivalent Hf and two equivalent Al atoms. Both Al–Al bond lengths are 2.61 Å.
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