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: TPSSh/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 TPSSh/cc-pVTZ
 hartrees
Energy at 0K-115.769480
Energy at 298.15K-115.773608
HF Energy-115.769480
Nuclear repulsion energy40.241276
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 TPSSh/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' 3799 3679 19.46 74.18 0.26 0.41
2 A' 3103 3005 32.41 72.08 0.50 0.66
3 A' 2980 2886 65.03 157.70 0.04 0.08
4 A' 1520 1472 3.22 9.98 0.73 0.84
5 A' 1483 1436 5.15 3.25 0.40 0.57
6 A' 1379 1335 23.98 1.96 0.75 0.85
7 A' 1079 1045 0.31 5.90 0.38 0.55
8 A' 1041 1008 119.19 1.27 0.48 0.65
9 A" 3026 2930 72.69 71.72 0.75 0.86
10 A" 1506 1458 1.43 10.43 0.75 0.86
11 A" 1169 1132 0.67 3.88 0.75 0.86
12 A" 307 297 107.02 2.45 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11195.3 cm-1
Scaled (by 0.9683) Zero Point Vibrational Energy (zpe) 10840.4 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 TPSSh/cc-pVTZ
ABC
4.26537 0.82482 0.79588

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.047 0.664 0.000
O2 -0.047 -0.758 0.000
H3 -1.092 0.974 0.000
H4 0.438 1.080 0.892
H5 0.438 1.080 -0.892
H6 0.869 -1.056 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5 H6
C11.42251.08991.09681.09681.9487
O21.42252.02302.09942.09940.9630
H31.08992.02301.77361.77362.8223
H41.09682.09941.77361.78442.3541
H51.09682.09941.77361.78442.3541
H61.94870.96302.82232.35412.3541

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 108.005 O2 C1 H3 106.514
O2 C1 H4 112.241 O2 C1 H5 112.241
H3 C1 H4 108.406 H3 C1 H5 108.406
H4 C1 H5 108.877
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.025      
2 O -0.350      
3 H 0.085      
4 H 0.043      
5 H 0.043      
6 H 0.204      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.332 0.869 0.000 1.590
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.804 -0.124 0.000
y -0.124 3.054 0.000
z 0.000 0.000 2.560


<r2> (average value of r2) Å2
<r2> 23.616
(<r2>)1/2 4.860