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

using model chemistry: B3LYP/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 B3LYP/3-21G
 hartrees
Energy at 0K-115.073594
Energy at 298.15K-115.077799
HF Energy-115.073594
Nuclear repulsion energy39.467783
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 B3LYP/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' 3465 3343 1.76 92.18 0.31 0.47
2 A' 3125 3015 28.32 73.04 0.48 0.65
3 A' 2988 2883 52.66 110.81 0.08 0.15
4 A' 1584 1528 4.67 26.02 0.74 0.85
5 A' 1526 1472 3.58 9.81 0.64 0.78
6 A' 1399 1350 21.52 7.45 0.75 0.86
7 A' 1083 1045 18.42 6.61 0.52 0.69
8 A' 989 955 75.50 2.77 0.34 0.51
9 A" 3021 2914 90.25 66.47 0.75 0.86
10 A" 1565 1510 3.28 27.88 0.75 0.86
11 A" 1152 1112 0.01 11.41 0.75 0.86
12 A" 386 372 139.66 7.75 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11141.0 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 10749.9 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 B3LYP/3-21G
ABC
4.20196 0.78854 0.75982

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.047 0.681 0.000
O2 -0.047 -0.778 0.000
H3 -1.099 0.976 0.000
H4 0.429 1.117 0.891
H5 0.429 1.117 -0.891
H6 0.904 -1.071 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5 H6
C11.45841.09221.10091.10091.9931
O21.45842.04472.14772.14770.9954
H31.09222.04471.77431.77432.8636
H41.10092.14771.77431.78302.4102
H51.10092.14771.77431.78302.4102
H61.99310.99542.86362.41022.4102

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 107.123 O2 C1 H3 105.681
O2 C1 H4 113.373 O2 C1 H5 113.373
H3 C1 H4 108.000 H3 C1 H5 108.000
H4 C1 H5 108.145
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.331      
2 O -0.545      
3 H 0.209      
4 H 0.168      
5 H 0.168      
6 H 0.332      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.520 1.043 0.000 1.843
CHELPG        
AIM        
ESP 1.514 1.045 0.000 1.840


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.511 -2.198 0.000
y -2.198 -12.924 0.000
z 0.000 0.000 -13.485
Traceless
 xyz
x 1.694 -2.198 0.000
y -2.198 -0.426 0.000
z 0.000 0.000 -1.267
Polar
3z2-r2-2.535
x2-y21.413
xy-2.198
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.247 -0.224 0.000
y -0.224 2.422 0.000
z 0.000 0.000 1.783


<r2> (average value of r2) Å2
<r2> 24.122
(<r2>)1/2 4.911