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

using model chemistry: B3PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/3-21G
 hartrees
Energy at 0K-115.032559
Energy at 298.15K-115.036769
HF Energy-115.032559
Nuclear repulsion energy39.557479
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 B3PW91/3-21G
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' 3520 3383 1.12      
2 A' 3135 3014 27.12      
3 A' 2991 2875 52.20      
4 A' 1580 1519 4.80      
5 A' 1522 1462 2.07      
6 A' 1399 1345 22.67      
7 A' 1087 1045 15.31      
8 A' 1005 966 82.93      
9 A" 3030 2912 88.32      
10 A" 1562 1501 4.07      
11 A" 1155 1111 0.10      
12 A" 387 372 148.74      

Unscaled Zero Point Vibrational Energy (zpe) 11186.1 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 10752.1 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 B3PW91/3-21G
ABC
4.20698 0.79314 0.76438

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.047 0.678 0.000
O2 -0.047 -0.775 0.000
H3 -1.099 0.975 0.000
H4 0.429 1.116 0.892
H5 0.429 1.116 -0.892
H6 0.901 -1.069 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5 H6
C11.45281.09291.10181.10181.9868
O21.45282.04172.14432.14430.9921
H31.09292.04171.77451.77452.8588
H41.10182.14431.77451.78392.4062
H51.10182.14431.77451.78392.4062
H61.98680.99212.85882.40622.4062

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 107.204 O2 C1 H3 105.774
O2 C1 H4 113.434 O2 C1 H5 113.434
H3 C1 H4 107.907 H3 C1 H5 107.907
H4 C1 H5 108.102
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.387      
2 O -0.561      
3 H 0.230      
4 H 0.186      
5 H 0.186      
6 H 0.346      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.556 1.059 0.000 1.882
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.437 -2.257 0.000
y -2.257 -12.860 0.000
z 0.000 0.000 -13.454
Traceless
 xyz
x 1.720 -2.257 0.000
y -2.257 -0.414 0.000
z 0.000 0.000 -1.305
Polar
3z2-r2-2.611
x2-y21.423
xy-2.257
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.236 -0.208 0.000
y -0.208 2.403 0.000
z 0.000 0.000 1.797


<r2> (average value of r2) Å2
<r2> 24.013
(<r2>)1/2 4.900