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

using model chemistry: mPW1PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-115.700802
Energy at 298.15K-115.704945
HF Energy-115.700802
Nuclear repulsion energy40.374174
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 mPW1PW91/6-31+G**
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' 3913 3724 34.38 67.88 0.25 0.40
2 A' 3167 3014 25.43 70.85 0.58 0.73
3 A' 3029 2883 68.48 139.30 0.04 0.08
4 A' 1519 1445 5.47 12.36 0.74 0.85
5 A' 1491 1419 5.70 5.18 0.72 0.84
6 A' 1365 1299 23.42 2.10 0.74 0.85
7 A' 1103 1049 40.79 8.17 0.33 0.50
8 A' 1066 1014 95.30 0.60 0.75 0.85
9 A" 3090 2941 61.45 80.49 0.75 0.86
10 A" 1507 1434 3.31 12.50 0.75 0.86
11 A" 1182 1125 0.21 3.40 0.75 0.86
12 A" 319 304 144.45 1.03 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11374.5 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 10826.2 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 mPW1PW91/6-31+G**
ABC
4.27960 0.83163 0.80292

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.046 0.661 0.000
O2 -0.046 -0.753 0.000
H3 -1.091 0.973 0.000
H4 0.438 1.076 0.893
H5 0.438 1.076 -0.893
H6 0.862 -1.065 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5 H6
C11.41391.09051.09721.09721.9506
O21.41392.01792.09212.09210.9603
H31.09052.01791.77341.77342.8231
H41.09722.09211.77341.78592.3585
H51.09722.09211.77341.78592.3585
H61.95060.96032.82312.35852.3585

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 108.981 O2 C1 H3 106.646
O2 C1 H4 112.229 O2 C1 H5 112.229
H3 C1 H4 108.311 H3 C1 H5 108.311
H4 C1 H5 108.951
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.281      
2 O -0.522      
3 H 0.168      
4 H 0.143      
5 H 0.143      
6 H 0.349      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.548 1.097 0.000 1.897
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.752 -2.335 0.000
y -2.335 -13.437 0.000
z 0.000 0.000 -13.902
Traceless
 xyz
x 1.917 -2.335 0.000
y -2.335 -0.610 0.000
z 0.000 0.000 -1.307
Polar
3z2-r2-2.614
x2-y21.685
xy-2.335
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.570 -0.073 0.000
y -0.073 2.859 0.000
z 0.000 0.000 2.499


<r2> (average value of r2) Å2
<r2> 23.634
(<r2>)1/2 4.862