return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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All results from a given calculation for CH3OH (Methyl alcohol)

using model chemistry: MP2=FULL/6-311G*

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=FULL/6-311G*
 hartrees
Energy at 0K-115.435746
Energy at 298.15K-115.439956
HF Energy-115.062819
Nuclear repulsion energy40.370930
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=FULL/6-311G*
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' 3874 3669 17.52 64.46 0.32 0.48
2 A' 3200 3031 29.68 66.95 0.58 0.74
3 A' 3051 2890 56.75 125.85 0.05 0.10
4 A' 1558 1476 4.38 14.85 0.73 0.84
5 A' 1530 1449 4.39 6.18 0.70 0.82
6 A' 1418 1343 29.97 3.48 0.72 0.84
7 A' 1110 1052 2.12 7.17 0.44 0.61
8 A' 1094 1037 119.70 1.14 0.44 0.61
9 A" 3117 2952 70.92 67.40 0.75 0.86
10 A" 1544 1462 3.52 15.18 0.75 0.86
11 A" 1201 1137 0.57 5.77 0.75 0.86
12 A" 367 348 149.68 3.11 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11532.7 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 10922.6 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=FULL/6-311G*
ABC
4.28230 0.83074 0.80165

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.046 0.661 0.000
O2 -0.046 -0.755 0.000
H3 -1.090 0.971 0.000
H4 0.438 1.077 0.891
H5 0.438 1.077 -0.891
H6 0.865 -1.052 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5 H6
C11.41671.08821.09581.09581.9405
O21.41672.01722.09402.09400.9585
H31.08822.01721.77131.77132.8130
H41.09582.09401.77131.78202.3467
H51.09582.09401.77131.78202.3467
H61.94050.95852.81302.34672.3467

picture of Methyl alcohol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H6 108.010 O2 C1 H3 106.544
O2 C1 H4 112.278 O2 C1 H5 112.278
H3 C1 H4 108.393 H3 C1 H5 108.393
H4 C1 H5 108.798
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability