An Energy Dispersive X-ray Diffraction (EDXD) study of 0.3 m dioxouranium(vi) in 1 m lithium citrate at pH = 5 is reported. The data are in accordance with the existence of a predominately polynuclear complex containing four U atoms, concluded from potentiometric measurements. The uranium atoms lie at the corners of two triangles sharing one edge. Five O atoms surround each uranyl group, the uranium coordination polyhedron being a pentagonal bipyramid; four U atoms are linked through double or single O bridges. The U−U distances are 3.95 Å and 4.65 Å.

An energy dispersive X-ray diffractio study of dioxouranium(VI) in 1 M litium citrate

MANFREDI, CARLA;
2004

Abstract

An Energy Dispersive X-ray Diffraction (EDXD) study of 0.3 m dioxouranium(vi) in 1 m lithium citrate at pH = 5 is reported. The data are in accordance with the existence of a predominately polynuclear complex containing four U atoms, concluded from potentiometric measurements. The uranium atoms lie at the corners of two triangles sharing one edge. Five O atoms surround each uranyl group, the uranium coordination polyhedron being a pentagonal bipyramid; four U atoms are linked through double or single O bridges. The U−U distances are 3.95 Å and 4.65 Å.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11588/5937
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