Potassium, Cesium, and Ammonium Peroxogermanates with Inorganic Hexanuclear Peroxo Bridged Germanium Anion Isolated from Aqueous Solution
Alexander G. Medvedev
1, 2
,
Alexey Mikhaylov
1, 2
,
Alexey A. Mikhaylov
3, 4
,
Mikhail V. Vener
1
,
Shmuel Cohen
2
,
Ovadia Lev
2
,
Publication type: Journal Article
Publication date: 2015-08-04
scimago Q1
wos Q1
SJR: 0.958
CiteScore: 7.4
Impact factor: 4.7
ISSN: 00201669, 1520510X
PubMed ID:
26241061
Inorganic Chemistry
Physical and Theoretical Chemistry
Abstract
Potassium (K6[Ge6(μ-OO)6(μ-O)6(OH)6]·14H2O, 1), cesium ammonium (Cs4.2(NH4)1.8[Ge6(μ-OO)6(μ-O)6(OH)6]·8H2O, 2), and potassium ammonium (K2.4(NH4)3.6[Ge6(μ-OO)6(μ-O)6(OH)6]·6H2O, 3) peroxogermanates were isolated from 3% hydrogen peroxide aqueous solutions of the corresponding hydroxogermanates and characterized by single crystal and powder X-ray diffraction studies and by Raman spectroscopy and thermal analysis. The crystal structure of all three compounds consists of cations of potassium and/or ammonium and cesium, water molecules, and centrosymmetric hexanuclear peroxogermanate anion [Ge6(μ-OO)6(μ-O)6(OH)6](6-) with six μ-oxo- and six μ-peroxo groups. Peroxogermanates demonstrate relatively high thermal stability: the peroxide remains in the structure even after water release after heating to 100-120 °C. DFT calculations of the peroxogermanate [Ge6(μ-OO)6(μ-O)6(OH)6](6-) anion confirm its higher thermodynamic stability compared to the hydroperoxo- and oxogermanate analogues.
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Medvedev A. G. et al. Potassium, Cesium, and Ammonium Peroxogermanates with Inorganic Hexanuclear Peroxo Bridged Germanium Anion Isolated from Aqueous Solution // Inorganic Chemistry. 2015. Vol. 54. No. 16. pp. 8058-8065.
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Medvedev A. G., Mikhaylov A., Mikhaylov A. A., Churakov A. V., Vener M. V., Tripolskaya T. A., Cohen S., Lev O., Prikhodchenko P. V. Potassium, Cesium, and Ammonium Peroxogermanates with Inorganic Hexanuclear Peroxo Bridged Germanium Anion Isolated from Aqueous Solution // Inorganic Chemistry. 2015. Vol. 54. No. 16. pp. 8058-8065.
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TY - JOUR
DO - 10.1021/acs.inorgchem.5b01293
UR - https://pubs.acs.org/doi/10.1021/acs.inorgchem.5b01293
TI - Potassium, Cesium, and Ammonium Peroxogermanates with Inorganic Hexanuclear Peroxo Bridged Germanium Anion Isolated from Aqueous Solution
T2 - Inorganic Chemistry
AU - Medvedev, Alexander G.
AU - Mikhaylov, Alexey
AU - Mikhaylov, Alexey A.
AU - Churakov, Andrei V.
AU - Vener, Mikhail V.
AU - Tripolskaya, Tatiana A
AU - Cohen, Shmuel
AU - Lev, Ovadia
AU - Prikhodchenko, Petr V.
PY - 2015
DA - 2015/08/04
PB - American Chemical Society (ACS)
SP - 8058-8065
IS - 16
VL - 54
PMID - 26241061
SN - 0020-1669
SN - 1520-510X
ER -
Cite this
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@article{2015_Medvedev,
author = {Alexander G. Medvedev and Alexey Mikhaylov and Alexey A. Mikhaylov and Andrei V. Churakov and Mikhail V. Vener and Tatiana A Tripolskaya and Shmuel Cohen and Ovadia Lev and Petr V. Prikhodchenko},
title = {Potassium, Cesium, and Ammonium Peroxogermanates with Inorganic Hexanuclear Peroxo Bridged Germanium Anion Isolated from Aqueous Solution},
journal = {Inorganic Chemistry},
year = {2015},
volume = {54},
publisher = {American Chemical Society (ACS)},
month = {aug},
url = {https://pubs.acs.org/doi/10.1021/acs.inorgchem.5b01293},
number = {16},
pages = {8058--8065},
doi = {10.1021/acs.inorgchem.5b01293}
}
Cite this
MLA
Copy
Medvedev, Alexander G., et al. “Potassium, Cesium, and Ammonium Peroxogermanates with Inorganic Hexanuclear Peroxo Bridged Germanium Anion Isolated from Aqueous Solution.” Inorganic Chemistry, vol. 54, no. 16, Aug. 2015, pp. 8058-8065. https://pubs.acs.org/doi/10.1021/acs.inorgchem.5b01293.