return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH3OH (Methyl alcohol)

using model chemistry: MP2/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-311+G(3df,2p)
 hartrees
Energy at 0K-115.513874
Energy at 298.15K 
HF Energy-115.088841
Nuclear repulsion energy40.380895
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at MP2/6-311+G(3df,2p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3900 3679 41.63 63.60 0.19 0.32
2 A' 3190 3010 19.13 53.85 0.57 0.72
3 A' 3060 2886 54.09 143.02 0.02 0.04
4 A' 1538 1451 5.32 5.60 0.75 0.86
5 A' 1500 1415 3.46 0.56 0.31 0.47
6 A' 1375 1298 21.23 1.23 0.63 0.77
7 A' 1095 1033 4.06 7.34 0.22 0.35
8 A' 1067 1006 116.65 1.61 0.15 0.27
9 A" 3130 2953 40.73 57.82 0.75 0.86
10 A" 1528 1442 3.23 5.20 0.75 0.86
11 A" 1193 1125 0.44 1.22 0.75 0.86
12 A" 292 275 110.06 0.61 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11433.8 cm-1
Scaled (by 0.9434) Zero Point Vibrational Energy (zpe) 10786.6 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at MP2/6-311+G(3df,2p)
ABC
4.30406 0.82963 0.80076

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311+G(3df,2p)

Point Group is Cs

Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability