Structure of Pentafluoridozirconic Acid Crystallohydrates According to Vibrational Spectroscopy Data

Structure of Pentafluoridozirconic Acid Crystallohydrates According to Vibrational Spectroscopy Data

Pentafluoridozirconic acid crystallohydrates HZrF 5 ·3H 2 O and HZrF 5 ·2H 2 O, as well as the intermediate product of their thermal decomposition ZrF 4 ·H 2 O, are studied by vibrational spectroscopy and thermogravimetry. It is shown that HZrF 5 · n H 2 O ( n = 2, 3) crystallohydrates are salts wit...

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Veröffentlicht in:Optics and spectroscopy 2022-07, Vol.130 (7), p.440-451
Hauptverfasser: Voit, E. I., Didenko, N. A.
Format: Artikel
Sprache:eng
Schlagworte:
Lasers
Optical Devices
Optics
Photonics
Physics
Physics and Astronomy
Quantum chemistry
Raman spectra
Thermal decomposition
Thermogravimetry
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Zusammenfassung:Pentafluoridozirconic acid crystallohydrates HZrF 5 ·3H 2 O and HZrF 5 ·2H 2 O, as well as the intermediate product of their thermal decomposition ZrF 4 ·H 2 O, are studied by vibrational spectroscopy and thermogravimetry. It is shown that HZrF 5 · n H 2 O ( n = 2, 3) crystallohydrates are salts with complex cations H 5 O and H 7 O . The bands in the IR and Raman spectra are assigned based on the results of quantum-chemical calculations.
ISSN:0030-400X
1562-6911
DOI:10.1134/S0030400X22080045