Review Article
Constructing Potential Energy Surfaces for Polyatomic Systems: Recent Progress and New Problems
Table 4
Eigenvalues of ammonia inversion (in cm−1).
| ν 2 | EC-2009a | Exp.b |
| 0+ | 0.00 | 0.00 | 0- | 3.64 | 0.79 | 1+ | 861.39 | 932.43 | 1− | 962.90 | 968.12 | 2+ | 1533.36 | 1598.47 | 2− | 1942.29 | 1822.18 |
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a[39]; b[80].
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