Abstract
THERE are three different assignments of the infra-red-active modes of K2PtCl4 in the literature1–3. One was based on a low-resolution spectrum1 and is thus misleading. The other two authors differed in their assignment of ν2 and ν7, but their data are in good agreement except that Mathieu et al.3 reported a band at 160 cm−1 which was not found by either Sacconi et al.2 or by ourselves. We have observed the spectrum of K2PtCl4 to 40 cm−1 and support Sacconi's results and assignment for the following reasons.
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References
Adams, D. M., and Gebbie, H. A., Spectrochim. Acta, 19, 925 (1963).
Sabatini, A., Sacconi, L., and Schettino, V., Inorg. Chem., 3, 1775 (1964).
Poulet, H., Delorme, P., and Mathieu, J. P., Spectrochim. Acta, 20, 1855 (1964).
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ADAMS, D., MORRIS, D. Far-infra-red Spectra of some Square-planar Ions. Nature 208, 283 (1965). https://doi.org/10.1038/208283a0
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DOI: https://doi.org/10.1038/208283a0
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