Summary
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1.
The IR spectra of the compounds in the system La2O3-GeO2 were investigated. The interpretation of the spectra confirms the structural formulas of the compounds La2(GeO4)O and La2(Ge2O7).
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2.
The coexistence of germanium tetrahedra and octahedra was hypothesized in the compound of the composition La2O3·3GeO2, which possesses no analog in the corresponding silicate system.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 9, pp. 1553–1556, September, 1965
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Tenisheva, T.F., Lazarev, A.N. & Pavlyukevich, T.M. Infrared spectra of lanthanum germanates. Russ Chem Bull 14, 1520–1522 (1965). https://doi.org/10.1007/BF01083791
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DOI: https://doi.org/10.1007/BF01083791