Materials Data on Pr2C3 by Materials Project
Pr2C3 is Plutonium carbide structured and crystallizes in the cubic I-43d space group. The structure is three-dimensional. Pr3+ is bonded in a 9-coordinate geometry to nine equivalent C2- atoms. There are a spread of Pr–C bond distances ranging from 2.66–2.96 Å. C2- is bonded in a 5-coordinate geometry to six equivalent Pr3+ and one C2- atom. The C–C bond length is 1.33 Å.
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