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

using model chemistry: B3PW91/STO-3G

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/STO-3G
 hartrees
Energy at 0K-114.151687
Energy at 298.15K-114.155853
HF Energy-114.151687
Nuclear repulsion energy39.242227
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/STO-3G
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' 3738 3308 37.09 37.92 0.29 0.45
2 A' 3450 3053 2.06 29.27 0.68 0.81
3 A' 3239 2866 16.44 41.25 0.03 0.06
4 A' 1689 1495 3.22 17.02 0.75 0.86
5 A' 1611 1426 1.19 3.69 0.75 0.86
6 A' 1589 1406 11.20 9.32 0.69 0.82
7 A' 1169 1035 0.53 6.17 0.39 0.56
8 A' 1092 967 22.39 0.45 0.69 0.81
9 A" 3376 2988 17.67 28.42 0.75 0.86
10 A" 1665 1474 3.41 16.03 0.75 0.86
11 A" 1188 1051 0.82 4.71 0.75 0.86
12 A" 408 361 64.43 6.13 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12106.2 cm-1
Scaled (by 0.885) Zero Point Vibrational Energy (zpe) 10714.0 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/STO-3G
ABC
4.03608 0.79074 0.75774

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.051 0.675 0.000
O2 -0.051 -0.785 0.000
H3 -1.109 0.996 0.000
H4 0.437 1.113 0.898
H5 0.437 1.113 -0.898
H6 0.954 -0.985 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5 H6
C11.46001.10541.11201.11201.9404
O21.46002.07142.15582.15581.0247
H31.10542.07141.79201.79202.8599
H41.11202.15581.79201.79532.3397
H51.11202.15581.79201.79532.3397
H61.94041.02472.85992.33972.3397

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 101.252 O2 C1 H3 106.882
O2 C1 H4 113.203 O2 C1 H5 113.203
H3 C1 H4 107.830 H3 C1 H5 107.830
H4 C1 H5 107.647
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.148      
2 O -0.242      
3 H 0.084      
4 H 0.068      
5 H 0.068      
6 H 0.170      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.161 0.757 0.000 1.386
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.878 -1.344 0.000
y -1.344 -12.359 0.000
z 0.000 0.000 -12.312
Traceless
 xyz
x 1.457 -1.344 0.000
y -1.344 -0.763 0.000
z 0.000 0.000 -0.694
Polar
3z2-r2-1.387
x2-y21.480
xy-1.344
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.373 -0.250 0.000
y -0.250 1.463 0.000
z 0.000 0.000 0.866


<r2> (average value of r2) Å2
<r2> 23.675
(<r2>)1/2 4.866