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

using model chemistry: HF/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/CEP-121G
 hartrees
Energy at 0K-23.451619
Energy at 298.15K-23.455812
HF Energy-23.451619
Nuclear repulsion energy25.169088
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 HF/CEP-121G
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' 4045 3691 19.10 86.79 0.32 0.48
2 A' 3298 3010 46.12 72.96 0.59 0.74
3 A' 3146 2871 69.02 147.34 0.05 0.10
4 A' 1641 1497 5.62 17.10 0.75 0.86
5 A' 1605 1464 7.83 5.70 0.75 0.85
6 A' 1440 1314 31.02 6.34 0.67 0.80
7 A' 1125 1027 0.78 11.74 0.47 0.64
8 A' 1114 1016 161.54 6.57 0.27 0.42
9 A" 3226 2944 98.91 64.98 0.75 0.86
10 A" 1635 1492 4.25 18.96 0.75 0.86
11 A" 1253 1143 2.14 8.75 0.75 0.86
12 A" 330 301 212.34 4.06 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11929.4 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 10885.6 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 HF/CEP-121G
ABC
4.37927 0.80576 0.78053

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.045 0.680 0.000
O2 -0.045 -0.760 0.000
H3 -1.082 0.985 0.000
H4 0.443 1.076 0.887
H5 0.443 1.076 -0.887
H6 0.830 -1.136 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5 H6
C11.44031.08021.08741.08742.0158
O21.44032.02962.09722.09720.9520
H31.08022.02961.76611.76612.8548
H41.08742.09721.76611.77442.4147
H51.08742.09721.76611.77442.4147
H62.01580.95202.85482.41472.4147

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 113.244 O2 C1 H3 106.387
O2 C1 H4 111.370 O2 C1 H5 111.370
H3 C1 H4 109.136 H3 C1 H5 109.136
H4 C1 H5 109.359
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.197      
2 O -0.600      
3 H 0.167      
4 H 0.132      
5 H 0.132      
6 H 0.366      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.839 1.439 0.000 2.335
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.800 -2.724 0.000
y -2.724 -13.179 0.000
z 0.000 0.000 -13.725
Traceless
 xyz
x 1.652 -2.724 0.000
y -2.724 -0.416 0.000
z 0.000 0.000 -1.236
Polar
3z2-r2-2.471
x2-y21.379
xy-2.724
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.350 -0.173 0.000
y -0.173 2.441 0.000
z 0.000 0.000 2.024


<r2> (average value of r2) Å2
<r2> 21.798
(<r2>)1/2 4.669