return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: BLYP/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/6-31G*
 hartrees
Energy at 0K-115.668063
Energy at 298.15K-115.672211
HF Energy-115.668064
Nuclear repulsion energy39.817104
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 BLYP/6-31G*
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' 3588 3559 3.72      
2 A' 3047 3023 35.96      
3 A' 2906 2882 71.71      
4 A' 1502 1490 4.34      
5 A' 1470 1458 8.50      
6 A' 1368 1357 23.52      
7 A' 1062 1053 6.98      
8 A' 1011 1003 104.98      
9 A" 2940 2917 93.74      
10 A" 1483 1471 1.11      
11 A" 1145 1136 0.29      
12 A" 347 344 117.85      

Unscaled Zero Point Vibrational Energy (zpe) 10933.6 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 10845.0 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 BLYP/6-31G*
ABC
4.16576 0.80966 0.78026

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.046 0.664 0.000
O2 -0.046 -0.763 0.000
H3 -1.102 0.978 0.000
H4 0.435 1.106 0.898
H5 0.435 1.106 -0.898
H6 0.881 -1.065 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5 H6
C11.42741.10091.11011.11011.9617
O21.42742.03612.12872.12870.9750
H31.10092.03611.78391.78392.8465
H41.11012.12871.78391.79522.3909
H51.11012.12871.78391.79522.3909
H61.96170.97502.84652.39092.3909

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 108.010 O2 C1 H3 106.568
O2 C1 H4 113.456 O2 C1 H5 113.456
H3 C1 H4 107.569 H3 C1 H5 107.569
H4 C1 H5 107.911
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.188      
2 O -0.565      
3 H 0.149      
4 H 0.117      
5 H 0.117      
6 H 0.370      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.385 0.845 0.000 1.622
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.626 -2.059 0.000
y -2.059 -13.111 0.000
z 0.000 0.000 -13.651
Traceless
 xyz
x 1.755 -2.059 0.000
y -2.059 -0.472 0.000
z 0.000 0.000 -1.283
Polar
3z2-r2-2.566
x2-y21.485
xy-2.059
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.476 -0.168 0.000
y -0.168 2.636 0.000
z 0.000 0.000 2.122


<r2> (average value of r2) Å2
<r2> 23.902
(<r2>)1/2 4.889