An alternative structure of Pu{sub 4}O{sub 9} (''PuO{sub 2.25}'') incorporating interstitial hydroxyl rather than oxide
Journal Article
·
· Journal of Solid State Chemistry
- Chemistry Division, Los Alamos National Laboratory, MS J964, Los Alamos, NM 87545 (United States)
Bond length/bond strength relationships are applied to the Pu{sub 4}O{sub 9} ('PuO{sub 2.25}') structure proposed by others and support one Pu(V) with a central hydroxyl ion but not a central oxide ion nor formation of Pu(VI). Bond distances and bond strengths are normal for a central ion of unit charge, and reconcile the finding that cell dimensions are so minimally changed from those of PuO{sub 2}. Substitution of hydroxyl for oxide accounts for the 'excess' oxygen content of PuO{sub 2.265,} yielding PuO{sub 2}(OH){sub 0.249.} The short range, local order (structure) of the 'Pu{sub 4}O{sub 9}' entity is alternatively formulated as Pu{sub 4}O{sub 8}OH.
- OSTI ID:
- 20721766
- Journal Information:
- Journal of Solid State Chemistry, Vol. 178, Issue 2; Other Information: DOI: 10.1016/j.jssc.2004.08.022; PII: S0022-4596(04)00453-0; Copyright (c) 2004 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved; Country of input: International Atomic Energy Agency (IAEA); ISSN 0022-4596
- Country of Publication:
- United States
- Language:
- English
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