Highly accurate experimentally determined energy levels of H3.
作者： Charles R. Markus , Benjamin J. McCall
DOI: 10.1063/1.5099454
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摘要: A sub-Doppler rovibrational spectroscopic survey of H3+ has been conducted which included 36 transitions in the ν2 ← 0 fundamental band, 15 2ν22←ν2 hot and 7 2ν22←0 overtone improving uncertainties most by more than an order magnitude to ∼4 MHz. Combination differences were used determine relative energy levels forbidden rotational up J = 6. fit ground state effective Hamiltonian was connect ortho para states, absolute (0, 0) state. Ultimately, 62 ground, ν2, 2ν22 states determined with ∼10 MHz uncertainty. Comparing experimentally ab initio calculations revealed unexpected dependence residuals on quantum number G.A G.
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