Synthesis and Structure of Frame Xylaratogermanate Salts with Protonated Phenanthroline and Its Complexes with Fe(III) and Ni(II) as Cations

• Published in: Russian journal of inorganic chemistry Vol. 64; no. 9; pp. 1132 - 1137
• Main Authors: Chebanenko, E. A., Seifullina, I. I., Martsinko, E. E., D’yakonenko, V. V., Shishkina, S. V.
• Format: Journal Article
• Language: English
• Published: Moscow Pleiades Publishing 01-09-2019; Springer Nature B.V
• Subjects: Cations; Chemistry; Chemistry and Materials Science; Coordination Compounds; Crystal structure; Crystals; Germanium; Hydrogen bonds; Hydroxyl groups; Infrared spectroscopy; Inorganic Chemistry; Molecular structure; Nickel; Synthesis; Thermogravimetry; 1,10-phenanthroline; germanium; xylaric acid; coordination compounds
• ISSN: 0036-0236; 1531-8613
• DOI: 10.1134/S0036023619090043

Synthesis procedures have been developed for new supramolecular xylaratogermanate salts with different cations: (HPhen)
4
[(OH)
2
Ge
2
(µ-HXylar)
4
Ge
2
(µ-OH)
2
] · 13H
2
O (
I
), [Fe(Phen)
3
]
2
[(OH)
2
Ge
2
(µ-HXylar)
4
Ge
2
(µ-OH)
2
] · 6H
2
O · C
2
H
5
OH (
II
), [Ni(Phen)
3
]
2
[(OH)
2
Ge
2
(µ-HXylar)
4
Ge
2
(µ-OH)
2
] · 8H
2
O (
III
). The compounds have been studied by X-ray diffraction, IR spectroscopy, and thermogravimetry. Their molecular and crystal structure has been determined. Compounds
I
–
III
include the same tetrameric μ-dihydroxyxylaratogermanate anion [(OH)
2
Ge
2
(µ-HXylar)
4
Ge
2
(µ-OH)
2
]
4–
with ditopic ligand, in which one of three hydroxyl groups does not coordinate to germanium(IV) but forms intramolecular hydrogen bond.