Synthesis and properties of uranium sulfide cations. An evaluation of the stability of thiouranyl, {SâUâS}2+.
Inorg Chem
; 52(24): 14162-7, 2013 Dec 16.
Article
em En
| MEDLINE
| ID: mdl-24256167
ABSTRACT
Atomic uranium cations, U(+) and U(2+), reacted with the facile sulfur-atom donor OCS to produce several monopositive and dipositive uranium sulfide species containing up to four sulfur atoms. Sequential abstraction of two sulfur atoms by U(2+) resulted in US2(2+); density functional theory computations indicate that the ground-state structure for this species is side-on η(2)-S2 triangular US2(2+), with the linear thiouranyl isomer, {SâU(VI)âS}(2+), some 171 kJ mol(-1) higher in energy. The result that the linear thiouranyl structure is a local minimum at a moderate energy suggests that it should be feasible to stabilize this moiety in molecular compounds.
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Coleções:
01-internacional
Base de dados:
MEDLINE
Idioma:
En
Revista:
Inorg Chem
Ano de publicação:
2013
Tipo de documento:
Article
País de afiliação:
Portugal