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Preparation and characterizations of new U(IV) and U(VI) complexes with carboxylate ligands

Abstract

The synthesis and characterization of some uranyl(VI) complexes containing glycolate (gly = CH/sub 2/OHCOO/sup -/) and methoxyacetate (MeOAc = CH/sub 3/OCH/sub 2/COO/sup -/) ligands with metal:ligand ratios of 1:1 and 1:2 are reported. In addition, new stable uranium(IV) complexes containing the same ligands, or the oxydiacetate (oda = /sup -/OOCCH/sub 2/OCH/sub 2/COO/sup -/) anion, have been prepared by photolysing aqueous solutions of uranyl(VI) nitrate in the presence of an excess of ligand. The possible structures of these complexes are discussed on the basis of IR results. The photoproduction mechanism of U(IV) complexes is proposed from electronic and spectrofluorimetric spectra and quantum yield data.
Authors:
Sbrignadello, G; Tomat, G; Battiston, G; Vigato, P A [1] 
  1. Consiglio Nazionale delle Ricerche, Padua (Italy). Lab. di Chimica e Tecnologia dei Radioelementi
Publication Date:
Jan 01, 1978
Product Type:
Journal Article
Reference Number:
AIX-09-416832; EDB-79-057013
Resource Relation:
Journal Name: J. Inorg. Nucl. Chem.; (United Kingdom); Journal Volume: 40:9
Subject:
38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY; URANIUM COMPLEXES; CHEMICAL PREPARATION; URANYL COMPLEXES; ACETIC ACID ESTERS; ETHERS; GLYCOLIC ACID; LIGANDS; PHOTOLYSIS; ACTINIDE COMPLEXES; CARBOXYLIC ACID ESTERS; CARBOXYLIC ACIDS; CHEMICAL REACTIONS; COMPLEXES; DECOMPOSITION; ESTERS; HYDROXY ACIDS; MONOCARBOXYLIC ACIDS; ORGANIC ACIDS; ORGANIC COMPOUNDS; ORGANIC OXYGEN COMPOUNDS; PHOTOCHEMICAL REACTIONS; SYNTHESIS; 400702* - Radiochemistry & Nuclear Chemistry- Properties of Radioactive Materials
OSTI ID:
6280272
Country of Origin:
United Kingdom
Language:
English
Other Identifying Numbers:
Journal ID: CODEN: JINCA
Submitting Site:
INIS
Size:
Pages: 1647-1652
Announcement Date:
Feb 01, 1979

Citation Formats

Sbrignadello, G, Tomat, G, Battiston, G, and Vigato, P A. Preparation and characterizations of new U(IV) and U(VI) complexes with carboxylate ligands. United Kingdom: N. p., 1978. Web. doi:10.1016/0022-1902(78)80342-X.
Sbrignadello, G, Tomat, G, Battiston, G, & Vigato, P A. Preparation and characterizations of new U(IV) and U(VI) complexes with carboxylate ligands. United Kingdom. https://doi.org/10.1016/0022-1902(78)80342-X
Sbrignadello, G, Tomat, G, Battiston, G, and Vigato, P A. 1978. "Preparation and characterizations of new U(IV) and U(VI) complexes with carboxylate ligands." United Kingdom. https://doi.org/10.1016/0022-1902(78)80342-X.
@misc{etde_6280272,
title = {Preparation and characterizations of new U(IV) and U(VI) complexes with carboxylate ligands}
author = {Sbrignadello, G, Tomat, G, Battiston, G, and Vigato, P A}
abstractNote = {The synthesis and characterization of some uranyl(VI) complexes containing glycolate (gly = CH/sub 2/OHCOO/sup -/) and methoxyacetate (MeOAc = CH/sub 3/OCH/sub 2/COO/sup -/) ligands with metal:ligand ratios of 1:1 and 1:2 are reported. In addition, new stable uranium(IV) complexes containing the same ligands, or the oxydiacetate (oda = /sup -/OOCCH/sub 2/OCH/sub 2/COO/sup -/) anion, have been prepared by photolysing aqueous solutions of uranyl(VI) nitrate in the presence of an excess of ligand. The possible structures of these complexes are discussed on the basis of IR results. The photoproduction mechanism of U(IV) complexes is proposed from electronic and spectrofluorimetric spectra and quantum yield data.}
doi = {10.1016/0022-1902(78)80342-X}
journal = []
volume = {40:9}
journal type = {AC}
place = {United Kingdom}
year = {1978}
month = {Jan}
}