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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-23.979131
Energy at 298.15K-23.983294
Nuclear repulsion energy25.141178
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' 3882 3716 20.88      
2 A' 3157 3022 44.90      
3 A' 3021 2892 80.01      
4 A' 1503 1439 5.05      
5 A' 1480 1417 5.40      
6 A' 1365 1307 30.98      
7 A' 1111 1063 57.04      
8 A' 1064 1018 72.26      
9 A" 3078 2946 96.88      
10 A" 1486 1422 2.08      
11 A" 1164 1114 0.10      
12 A" 345 330 145.80      

Unscaled Zero Point Vibrational Energy (zpe) 11327.2 cm-1
Scaled (by 0.9572) Zero Point Vibrational Energy (zpe) 10842.3 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
4.19736 0.82303 0.79403

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 -0.047 0.662 0.000
O2 -0.047 -0.759 0.000
H3 -1.100 0.981 0.000
H4 0.441 1.086 0.900
H5 0.441 1.086 -0.900
H6 0.875 -1.054 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5 H6
C11.42081.10071.10831.10831.9478
O21.42082.03372.11002.11000.9676
H31.10072.03371.78811.78812.8357
H41.10832.11001.78811.80072.3619
H51.10832.11001.78811.80072.3619
H61.94780.96762.83572.36192.3619

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 107.767 O2 C1 H3 106.834
O2 C1 H4 112.497 O2 C1 H5 112.497
H3 C1 H4 108.083 H3 C1 H5 108.083
H4 C1 H5 108.656
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 -0.439      
2 O -0.444      
3 H 0.192      
4 H 0.159      
5 H 0.159      
6 H 0.372      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.565 1.059 0.000 1.890
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.378 -2.257 0.000
y -2.257 -12.958 0.000
z 0.000 0.000 -13.457
Traceless
 xyz
x 1.829 -2.257 0.000
y -2.257 -0.540 0.000
z 0.000 0.000 -1.289
Polar
3z2-r2-2.578
x2-y21.580
xy-2.257
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.272 -0.141 0.000
y -0.141 2.370 0.000
z 0.000 0.000 1.925


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