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

using model chemistry: QCISD/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-115.536746
Energy at 298.15K-115.540891
HF Energy-115.089404
Nuclear repulsion energy40.400787
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/cc-pVTZ
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 3726 28.14      
2 A' 3142 3002 28.84      
3 A' 3026 2892 54.01      
4 A' 1536 1467 3.41      
5 A' 1503 1436 4.74      
6 A' 1405 1342 27.81      
7 A' 1109 1060 10.07      
8 A' 1080 1032 101.49      
9 A" 3080 2943 58.60      
10 A" 1520 1453 1.79      
11 A" 1193 1140 1.16      
12 A" 309 295 108.76      

Unscaled Zero Point Vibrational Energy (zpe) 11401.7 cm-1
Scaled (by 0.9555) Zero Point Vibrational Energy (zpe) 10894.3 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/cc-pVTZ
ABC
4.29880 0.83121 0.80207

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.046 0.659 0.000
O2 -0.046 -0.754 0.000
H3 -1.086 0.977 0.000
H4 0.435 1.079 0.888
H5 0.435 1.079 -0.888
H6 0.862 -1.053 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5 H6
C11.41291.08761.09401.09401.9373
O21.41292.01932.09332.09330.9559
H31.08762.01931.76451.76452.8131
H41.09402.09331.76451.77542.3485
H51.09402.09331.76451.77542.3485
H61.93730.95592.81312.34852.3485

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 108.186 O2 C1 H3 106.998
O2 C1 H4 112.620 O2 C1 H5 112.620
H3 C1 H4 107.962 H3 C1 H5 107.962
H4 C1 H5 108.473
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability