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IR and Ramen spectra of crystalline barium rhodizonate have been reported. from an inspection of the data....

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Chemistry

IR and Ramen spectra ofcrystalline barium rhodizonate have been reported. from aninspection of the data. it was concluded that the rhodizonate ion,C6O62-probably had D6hsymmetry. the other possible structure can bededuced the rhodizonic acid molecule. In the D6h ion there is noC=C compared to the C2hequivalent. Compare two anions and determinewhich anion fits the data shown below.

235 (IR) 1051 (IR) 280 (Ramen) 346 (Ramen) 436 (Ramen) 553(Ramen) 1449 (IR) 386 (IR) 1546 (Ramen) 1252 (Ramen) 1669(Ramen)

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3.6 Ratings (372 Votes)
If the rhodizonate ion is planar and symmetrical all CC and C0 bonds equivalent it will belong to the D6h point group In this case there will be eleven fundamental frequencies seven of which are Raman active and four ir active No coincidences should be    See Answer
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