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

using model chemistry: CCSD(T)/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD(T)/aug-cc-pVDZ
 hartrees
Energy at 0K-115.455923
Energy at 298.15K-115.460048
HF Energy-115.060310
Nuclear repulsion energy39.868954
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 CCSD(T)/aug-cc-pVDZ
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' 3820 3676        
2 A' 3127 3010        
3 A' 3005 2892        
4 A' 1491 1435        
5 A' 1457 1402        
6 A' 1372 1321        
7 A' 1067 1027        
8 A' 1037 998        
9 A" 3070 2955        
10 A" 1480 1425        
11 A" 1159 1116        
12 A" 310 298        

Unscaled Zero Point Vibrational Energy (zpe) 11197.4 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 10777.5 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 CCSD(T)/aug-cc-pVDZ
ABC
4.17655 0.80902 0.78091

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.047 0.672 0.000
O2 -0.047 -0.766 0.000
H3 -1.104 0.983 0.000
H4 0.444 1.085 0.903
H5 0.444 1.085 -0.903
H6 0.873 -1.062 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5 H6
C11.43781.10201.10731.10731.9627
O21.43782.04342.11652.11650.9662
H31.10202.04341.79501.79502.8442
H41.10732.11651.79501.80582.3677
H51.10732.11651.79501.80582.3677
H61.96270.96622.84422.36772.3677

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 107.844 O2 C1 H3 106.383
O2 C1 H4 111.871 O2 C1 H5 111.871
H3 C1 H4 108.669 H3 C1 H5 108.669
H4 C1 H5 109.249
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability