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THE 2-10 $\mu m$ SPECTRUM OF HYDROGEN IN THE CONDENSED PHASE

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dc.creator Balasubramanian, T. K. en_US
dc.creator Lien, Chen-Hsin en_US
dc.creator Gaines, James R. en_US
dc.creator Rao, K. Narahari en_US
dc.creator Nordstrom, R. J. en_US
dc.creator Damon, E. K. en_US
dc.date.accessioned 2006-06-15T14:43:53Z
dc.date.available 2006-06-15T14:43:53Z
dc.date.issued 1981 en_US
dc.identifier 1981-WE-9 en_US
dc.identifier.uri http://hdl.handle.net/1811/11733
dc.description $1$Wm. Ivancic, T. K. Balasubramanian, J. R. Gaines, and K. Narahari Rao, J. Chem. Phys. 74(2) 1508 (1981). $2$V. F. Sears and J. Van Kranendonk, Can. J. Phys. 42, 980 (1964). en_US
dc.description Author Institution: en_US
dc.description.abstract Continuing previous $studies^{1}$, the infrared spectra Of solid and liquid hydrogen in the region 2-10 $\mu m$ have been recorded using a $0.04 cm^{-1}$ Fourier transform spectrometer. The pure rotational U transitions, the sharp $U_{0}(0)$ in solid parahydrogen and the broad $U_{0} (1)$ in the ortho component of solid normal hydrogen together with the corresponding phonon branches have been observed for the first time. A satellite structure consisting of five components besides the main line accompanies the $U_{0}(0)$ line and occurs in the presence of 1-2 % ortho impurity. This structure has been unambiguously accounted for by invoking the electric quadrupole-quadrupole interaction between the J = 4 excited level of a paramolecule and the J = 1 level of the neighboring ortho impurity. From the measured intensity $U_{0}(0)$ an experimental value of 0.335 (in atomic units) for the hexadecapole moment of the hydrogen molecule baa been derived. In addition the pure rotational double transitions $S_{0}(0) + S_{0}(1)$ and $S_{0}(1) + S_{0}(1)$ have been identified. In the liquid spectrum the double transitions are preserved but the single transitions and the phonon branches are absent. The region of the fundamental $Q_{1}\leftarrow_{0}(J)$ reveals several weak components not reported before but which we have been able to assign based on the theory developed by Sears and Van $Kranendonk.^{2}$ en_US
dc.format.extent 131978 bytes
dc.format.mimetype image/jpeg
dc.language.iso English en_US
dc.title THE 2-10 $\mu m$ SPECTRUM OF HYDROGEN IN THE CONDENSED PHASE en_US
dc.type article en_US