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

using model chemistry: QCISD(T)/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(T)/6-31G*
 hartrees
Energy at 0K-115.374921
Energy at 298.15K-115.379098
HF Energy-115.033670
Nuclear repulsion energy40.071041
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(T)/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' 3742 3590        
2 A' 3150 3021        
3 A' 3014 2891        
4 A' 1554 1490        
5 A' 1518 1457        
6 A' 1417 1359        
7 A' 1100 1055        
8 A' 1073 1029        
9 A" 3068 2943        
10 A" 1541 1478        
11 A" 1188 1140        
12 A" 349 334        

Unscaled Zero Point Vibrational Energy (zpe) 11356.2 cm-1
Scaled (by 0.9593) Zero Point Vibrational Energy (zpe) 10894.0 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(T)/6-31G*
ABC
4.20964 0.82003 0.79048

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.047 0.666 0.000
O2 -0.047 -0.761 0.000
H3 -1.098 0.975 0.000
H4 0.440 1.084 0.896
H5 0.440 1.084 -0.896
H6 0.881 -1.050 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5 H6
C11.42711.09481.10211.10211.9510
O21.42712.02892.10822.10820.9722
H31.09482.02891.78261.78262.8311
H41.10212.10821.78261.79192.3563
H51.10212.10821.78261.79192.3563
H61.95100.97222.83112.35632.3563

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 107.292 O2 C1 H3 106.384
O2 C1 H4 112.294 O2 C1 H5 112.294
H3 C1 H4 108.471 H3 C1 H5 108.471
H4 C1 H5 108.775
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability