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

using model chemistry: mPW1PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/3-21G*
 hartrees
Energy at 0K-115.042909
Energy at 298.15K-115.047117
HF Energy-115.042909
Nuclear repulsion energy39.642874
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 mPW1PW91/3-21G*
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' 3558 3379 1.22 90.51 0.31 0.47
2 A' 3156 2997 26.09 71.14 0.51 0.67
3 A' 3014 2862 49.09 112.99 0.07 0.14
4 A' 1589 1509 4.82 25.79 0.74 0.85
5 A' 1530 1453 1.85 9.64 0.64 0.78
6 A' 1405 1334 22.92 6.67 0.75 0.86
7 A' 1093 1038 13.27 6.68 0.52 0.68
8 A' 1017 965 85.88 2.40 0.34 0.51
9 A" 3056 2902 83.84 66.46 0.75 0.86
10 A" 1572 1492 4.40 27.67 0.75 0.86
11 A" 1163 1105 0.07 10.61 0.75 0.86
12 A" 385 365 150.86 7.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11268.6 cm-1
Scaled (by 0.9496) Zero Point Vibrational Energy (zpe) 10700.6 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 mPW1PW91/3-21G*
ABC
4.22450 0.79654 0.76777

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.047 0.676 0.000
O2 -0.047 -0.773 0.000
H3 -1.097 0.974 0.000
H4 0.429 1.112 0.891
H5 0.429 1.112 -0.891
H6 0.897 -1.070 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5 H6
C11.44951.09111.09971.09971.9850
O21.44952.03812.13862.13860.9893
H31.09112.03811.77181.77182.8550
H41.09972.13861.77181.78122.4028
H51.09972.13861.77181.78122.4028
H61.98500.98932.85502.40282.4028

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 107.453 O2 C1 H3 105.815
O2 C1 H4 113.344 O2 C1 H5 113.344
H3 C1 H4 107.948 H3 C1 H5 107.948
H4 C1 H5 108.170
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.391      
2 O -0.570      
3 H 0.233      
4 H 0.190      
5 H 0.190      
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
  1.567 1.081 0.000 1.904
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.434 -2.266 0.000
y -2.266 -12.848 0.000
z 0.000 0.000 -13.441
Traceless
 xyz
x 1.711 -2.266 0.000
y -2.266 -0.411 0.000
z 0.000 0.000 -1.300
Polar
3z2-r2-2.600
x2-y21.414
xy-2.266
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.213 -0.207 0.000
y -0.207 2.374 0.000
z 0.000 0.000 1.781


<r2> (average value of r2) Å2
<r2> 23.939
(<r2>)1/2 4.893