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

using model chemistry: PBE1PBE/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 PBE1PBE/3-21G
 hartrees
Energy at 0K-114.939636
Energy at 298.15K-114.943848
HF Energy-114.939636
Nuclear repulsion energy39.629465
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 PBE1PBE/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' 3547 3407 1.15 90.20 0.31 0.47
2 A' 3149 3024 25.46 70.85 0.51 0.67
3 A' 3007 2888 48.69 112.64 0.07 0.14
4 A' 1584 1522 4.81 25.99 0.74 0.85
5 A' 1525 1465 1.74 9.83 0.65 0.79
6 A' 1403 1348 23.06 6.73 0.75 0.86
7 A' 1092 1049 11.16 6.82 0.51 0.67
8 A' 1019 978 88.00 2.13 0.34 0.51
9 A" 3049 2928 82.60 66.06 0.75 0.86
10 A" 1566 1504 4.48 27.90 0.75 0.86
11 A" 1160 1114 0.08 10.55 0.75 0.86
12 A" 385 370 150.43 7.10 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11243.1 cm-1
Scaled (by 0.9604) Zero Point Vibrational Energy (zpe) 10797.9 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 PBE1PBE/3-21G
ABC
4.21461 0.79672 0.76784

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/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 -1.098 0.974 0.000
H4 0.429 1.113 0.891
H5 0.429 1.113 -0.891
H6 0.899 -1.069 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5 H6
C11.44891.09261.10121.10121.9842
O21.44892.03892.14012.14010.9906
H31.09262.03891.77351.77352.8564
H41.10122.14011.77351.78302.4034
H51.10122.14011.77351.78302.4034
H61.98420.99062.85642.40342.4034

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 107.356 O2 C1 H3 105.839
O2 C1 H4 113.415 O2 C1 H5 113.415
H3 C1 H4 107.888 H3 C1 H5 107.888
H4 C1 H5 108.112
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.395      
2 O -0.568      
3 H 0.234      
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
  1.563 1.069 0.000 1.894
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.465 -2.263 0.000
y -2.263 -12.884 0.000
z 0.000 0.000 -13.481
Traceless
 xyz
x 1.717 -2.263 0.000
y -2.263 -0.411 0.000
z 0.000 0.000 -1.306
Polar
3z2-r2-2.612
x2-y21.418
xy-2.263
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.225 -0.209 0.000
y -0.209 2.382 0.000
z 0.000 0.000 1.787


<r2> (average value of r2) Å2
<r2> 23.968
(<r2>)1/2 4.896