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

using model chemistry: QCISD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/6-31G*
 hartrees
Energy at 0K-115.368769
Energy at 298.15K-115.372952
HF Energy-115.033948
Nuclear repulsion energy40.133007
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 QCISD/6-31G*
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' 3771 3591 14.55      
2 A' 3164 3013 32.50      
3 A' 3032 2887 51.46      
4 A' 1561 1487 3.21      
5 A' 1527 1454 6.46      
6 A' 1423 1355 32.41      
7 A' 1109 1056 3.52      
8 A' 1084 1033 111.18      
9 A" 3086 2939 73.16      
10 A" 1547 1473 1.64      
11 A" 1196 1139 0.98      
12 A" 350 333 134.53      

Unscaled Zero Point Vibrational Energy (zpe) 11424.5 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 10879.5 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 QCISD/6-31G*
ABC
4.22292 0.82259 0.79303

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.046 0.662 0.000
O2 -0.046 -0.758 0.000
H3 -1.096 0.973 0.000
H4 0.437 1.087 0.894
H5 0.437 1.087 -0.894
H6 0.873 -1.060 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5 H6
C11.41971.09421.10181.10181.9526
O21.41972.02362.10642.10640.9680
H31.09422.02361.77801.77802.8301
H41.10182.10641.77801.78832.3671
H51.10182.10641.77801.78832.3671
H61.95260.96802.83012.36712.3671

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 108.236 O2 C1 H3 106.496
O2 C1 H4 112.704 O2 C1 H5 112.704
H3 C1 H4 108.121 H3 C1 H5 108.121
H4 C1 H5 108.494
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability