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2005
Gallium
I 2200
33- 022
Synthesis and Crystal Structure of Unprecedented Oxo/Hydroxo-Bridged Polynuclear Gallium(III) Aqua Complexes. — For the first time, polynuclear oxo/hydroxo-bridged aqua complexes of Ga are isolated without the use of other ligands to control
or block oligomerization. The important role of pyridine addition is pointed out and it
is shown that in the absence of Py (pH 1.6) only the mononuclear complex (IV) is
formed. The structures of (II) (triclinic, space group P1, Z = 1), (III) (hexagonal, R3,
Z = 3), and (IV) (monoclinic, P21/n, Z = 4) are determined by single crystal XRD. —
(GERASKO, O. A.; MAINICHEVA, E. A.; NAUMOV, D. Y.; KURATIEVA, N. V.;
SOKOLOV, M. N.; FEDIN*, V. P.; Inorg. Chem. 44 (2005) 12, 4133-4135; Inst.
Inorg. Chem., Sib. Branch, Russ. Acad. Sci., Novosibirsk 630090, Russia; Eng.) —
Schramke
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