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

using model chemistry: B1B95/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/CEP-31G
 hartrees
Energy at 0K-23.945354
Energy at 298.15K-23.949497
Nuclear repulsion energy24.822787
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 B1B95/CEP-31G
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' 3772 3612 8.25      
2 A' 3189 3053 45.64      
3 A' 3030 2902 80.21      
4 A' 1506 1442 6.25      
5 A' 1483 1420 1.44      
6 A' 1328 1271 19.94      
7 A' 1068 1022 1.48      
8 A' 1019 976 124.57      
9 A" 3107 2975 112.51      
10 A" 1496 1432 4.92      
11 A" 1145 1096 0.07      
12 A" 338 324 195.71      

Unscaled Zero Point Vibrational Energy (zpe) 11240.3 cm-1
Scaled (by 0.9575) Zero Point Vibrational Energy (zpe) 10762.6 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 B1B95/CEP-31G
ABC
4.20891 0.79096 0.76474

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.046 0.682 0.000
O2 -0.046 -0.770 0.000
H3 -1.101 0.986 0.000
H4 0.441 1.100 0.901
H5 0.441 1.100 -0.901
H6 0.868 -1.120 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5 H6
C11.45251.09781.10631.10632.0207
O21.45252.04842.13222.13220.9785
H31.09782.04841.78991.78992.8827
H41.10632.13221.78991.80252.4333
H51.10632.13221.78991.80252.4333
H62.02070.97852.88272.43332.4333

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 110.944 O2 C1 H3 106.039
O2 C1 H4 112.168 O2 C1 H5 112.168
H3 C1 H4 108.603 H3 C1 H5 108.603
H4 C1 H5 109.108
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.397      
2 O -0.448      
3 H 0.197      
4 H 0.160      
5 H 0.160      
6 H 0.329      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.816 1.383 0.000 2.283
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.564 -2.628 0.000
y -2.628 -12.999 0.000
z 0.000 0.000 -13.508
Traceless
 xyz
x 1.690 -2.628 0.000
y -2.628 -0.463 0.000
z 0.000 0.000 -1.227
Polar
3z2-r2-2.454
x2-y21.435
xy-2.628
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.217 -0.185 0.000
y -0.185 2.359 0.000
z 0.000 0.000 1.738


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000