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

using model chemistry: B3PW91/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G(2df,p)
 hartrees
Energy at 0K-115.687268
Energy at 298.15K-115.691418
HF Energy-115.687268
Nuclear repulsion energy40.416201
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 B3PW91/6-31G(2df,p)
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' 3872 3722 22.65 66.44 0.28 0.43
2 A' 3119 2999 29.47 65.83 0.55 0.71
3 A' 2986 2871 59.03 118.31 0.05 0.10
4 A' 1510 1451 3.47 15.68 0.73 0.85
5 A' 1482 1424 3.98 5.89 0.64 0.78
6 A' 1388 1335 27.27 2.31 0.73 0.84
7 A' 1109 1066 19.18 6.35 0.39 0.57
8 A' 1066 1025 94.93 0.47 0.75 0.86
9 A" 3037 2920 70.76 65.03 0.75 0.86
10 A" 1491 1433 1.72 16.56 0.75 0.86
11 A" 1176 1130 0.59 5.16 0.75 0.86
12 A" 323 311 109.05 2.62 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11279.0 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 10843.6 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 B3PW91/6-31G(2df,p)
ABC
4.26998 0.83523 0.80560

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.046 0.656 0.000
O2 -0.046 -0.754 0.000
H3 -1.092 0.976 0.000
H4 0.437 1.083 0.892
H5 0.437 1.083 -0.892
H6 0.868 -1.045 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5 H6
C11.40921.09371.10071.10071.9308
O21.40922.02122.09802.09800.9594
H31.09372.02121.77341.77342.8153
H41.10072.09801.77341.78352.3471
H51.10072.09801.77341.78352.3471
H61.93080.95942.81532.34712.3471

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 107.690 O2 C1 H3 107.041
O2 C1 H4 112.839 O2 C1 H5 112.839
H3 C1 H4 107.833 H3 C1 H5 107.833
H4 C1 H5 108.225
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.268      
2 O -0.431      
3 H 0.152      
4 H 0.122      
5 H 0.122      
6 H 0.304      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.321 0.779 0.000 1.533
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.440 -1.982 0.000
y -1.982 -12.925 0.000
z 0.000 0.000 -13.414
Traceless
 xyz
x 1.730 -1.982 0.000
y -1.982 -0.498 0.000
z 0.000 0.000 -1.232
Polar
3z2-r2-2.463
x2-y21.485
xy-1.982
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.536 -0.142 0.000
y -0.142 2.698 0.000
z 0.000 0.000 2.315


<r2> (average value of r2) Å2
<r2> 23.326
(<r2>)1/2 4.830