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Figure 9: Scaled molecular vibrational spectra for Models D ~ F with twisted cage including
one diagonal Si-O-Si bond and four Si-Si bonds.
The scaled molecular vibrational spectrum is given for Model G with three Si-Si bonds
in Figure 10. There are four distinctive Si-H stretching and six O-H stretching modes
in Model G.
Figure 10: Scaled molecular vibrational spectrum for Model G with partial cage including three
Si-Si bonds.
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