Materials Data on PaBe13 by Materials Project
Be13Pa crystallizes in the cubic Fm-3c space group. The structure is three-dimensional. there are two inequivalent Be sites. In the first Be site, Be is bonded in a cuboctahedral geometry to twelve equivalent Be atoms. All Be–Be bond lengths are 2.15 Å. In the second Be site, Be is bonded in a 12-coordinate geometry to ten Be and two equivalent Pa atoms. There are a spread of Be–Be bond distances ranging from 2.22–2.36 Å. Both Be–Pa bond lengths are 3.00 Å. Pa is bonded in a 1-coordinate geometry to twenty-four equivalent Be atoms.
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