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XIII.F.2. (III.B.7.b.) (IV.C.7.) (XVIII.B.2.)

Bad vibrational frequency predictions

Calculated frequencies that differ from experiment by more than 400 cm-1 or have a ratio with experiment outside of 0.7 to 1.2 are listed

Calculated vibrational frequencies ("theory" in table) are calculated at LSDA/aug-cc-pVTZ
Calculated values were scaled by 1.0111.

Species Name mode Symmetry Experiment Theory difference ratio
CBr2F2 Methane, dibromodifluoro- 3 A1 140 345 205 0.406
COBr2 Carbonic dibromide 4 B1 757 522 -235 1.449
COBr2 Carbonic dibromide 6 B2 512 351 -161 1.458
BF3+ boron trifluoride cation 3 E' 1662 1252 -410 1.327
BF3+ boron trifluoride cation 4 E' 411 267 -144 1.538
GeH2 germylene 1 A1 1856 901 -955 2.059
GeH2 germylene 2 A1 916 1890 974 0.485