Strategy for the synthesis of Di- and polymer tartratogermanates with single-charge cations. Crystal structures of K2[Ge2(OH)2(μ-Tart)2] · 4.5H2O and (NH4)2n[Ge2(μ-O)(μ-Tart)2]n · nMeCN · nH2O

• Published in: Russian journal of coordination chemistry Vol. 39; no. 11; pp. 751 - 757
• Main Authors: Minacheva, L. Kh, Seifullina, I. I., Ilyukhin, A. B., Martsinko, E. E., Sergienko, V. S., Chebanenko, E. A., Churakov, A. V.
• Format: Journal Article
• Language: English
• Published: Boston Springer US 01-11-2013
• Subjects: Chemistry; Chemistry and Materials Science; Inorganic Chemistry; Physical Chemistry; Germanium Atom; Complex Anion; Cambridge Crystallographic Data Centre; Crystallization Water Molecule; Hydroxo Group
• ISSN: 1070-3284; 1608-3318
• DOI: 10.1134/S1070328413110043

Tartratogermanates of alkaline metals and ammonium are synthesized for the first time using different solvents (water, acetonitrile) and starting reagents (GeO
2
and GeCl
4
): dimeric Kat
2
[Ge
2
(OH)
2
(μ-Tart)
2
] · 4.5H
2
O (H
4
Tart is
D
-tartaric acid, Kat = Na (
I
) and K (
II
)) and polymer (NH
4
)
2
n
[Ge
2
(μ-O)(μ-Tart)
2
]
n
·
n
CH
3
CN ·
n
H
2
O (
III
). The complexes are characterized by elemental analysis, IR spectroscopy, and X-ray diffraction analysis. The structure of complex
II
contains binuclear isolated [Ge
2
(OH)
2
(μ-Tart)
2
]
2
-complexes. In complex
III
, the oxo ligands join the binuclear fragments into polymer chains.