return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: CCSD=FULL/cc-pVQZ

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=FULL/cc-pVQZ
 hartrees
Energy at 0K-115.632738
Energy at 298.15K 
HF Energy-115.099384
Nuclear repulsion energy40.569060
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=FULL/cc-pVQZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3929 3929 34.33      
2 A' 3165 3165 24.80      
3 A' 3050 3050 52.32      
4 A' 1542 1542 4.45      
5 A' 1510 1510 3.17      
6 A' 1404 1404 27.84      
7 A' 1115 1115 18.82      
8 A' 1086 1086 97.59      
9 A" 3106 3106 50.09      
10 A" 1530 1530 2.42      
11 A" 1202 1202 1.02      
12 A" 298 298 110.18      

Unscaled Zero Point Vibrational Energy (zpe) 11468.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11468.1 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=FULL/cc-pVQZ
ABC
4.33632 0.83798 0.80894

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/cc-pVQZ

Point Group is Cs

Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability