THE INFRARED SPECTRUM OF CYCLIC---$H_{2}B_{2}O_{3}$
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Date
1968
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Ohio State University
Abstract
The infrared spectrum of cyclic $H_{2}B_{2}O_{3}(g)$ has been obtained from $4000 cm^{-1}$ to $250 cm^{-1}$. A number of isotopic species, including $H_{2}B_{2}^{16}O_{3}, H_{2}B_{2}^{18}O_{3}, D_{2}B_{2}^{16}O_{3}$, and $H_{2}^{10}B_{2}^{16}O_{3}$ were prepared by reacting the appropriate isotopic combinations of oxygen with boroxine $(H_{3}B_{3}O_{3})$. The spectra are interpreted on the basis of a planar molecule with $C_{2v}$ symmetry as demonstrated in microwave $studies.^{1}$ Bands due to the mixed isotopic species $HDB_{2}^{16}O_{***}$ and $H_{2}^{10}B^{11}B^{16}O_{3}$ have, also, been assigned, including some bands interpreted as out-of-plane vibrations not active in the ``pure'' isotopic molecules.
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$^{1}$ W.V.F. Brooks, C.C. Costain, and R.F. Porter, J. Chem. Phys. 47, 4186 (1967).
Author Institution: Department of Chemistry, Cornell University
Author Institution: Department of Chemistry, Cornell University