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: mPW1PW91/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/cc-pVTZ
 hartrees
Energy at 0K-115.737392
Energy at 298.15K-115.741520
HF Energy-115.737392
Nuclear repulsion energy40.479675
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 mPW1PW91/cc-pVTZ
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' 3898 3739 29.78 67.58 0.25 0.40
2 A' 3131 3004 28.33 68.46 0.51 0.68
3 A' 3009 2886 61.51 153.09 0.04 0.08
4 A' 1514 1452 4.28 9.75 0.73 0.84
5 A' 1483 1422 3.40 3.12 0.46 0.63
6 A' 1382 1326 27.16 1.57 0.74 0.85
7 A' 1105 1060 21.60 6.36 0.40 0.57
8 A' 1067 1023 100.61 0.18 0.74 0.85
9 A" 3059 2935 63.50 67.44 0.75 0.86
10 A" 1498 1437 2.41 10.30 0.75 0.86
11 A" 1178 1130 0.52 3.14 0.75 0.86
12 A" 301 288 111.77 2.12 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11312.0 cm-1
Scaled (by 0.9592) Zero Point Vibrational Energy (zpe) 10850.5 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 mPW1PW91/cc-pVTZ
ABC
4.30534 0.83578 0.80669

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.046 0.658 0.000
O2 -0.046 -0.752 0.000
H3 -1.087 0.976 0.000
H4 0.436 1.076 0.889
H5 0.436 1.076 -0.889
H6 0.862 -1.054 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5 H6
C11.41011.08841.09491.09491.9373
O21.41012.01762.08982.08980.9567
H31.08842.01761.76681.76682.8138
H41.09492.08981.76681.77862.3470
H51.09492.08981.76681.77862.3470
H61.93730.95672.81382.34702.3470

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 108.358 O2 C1 H3 107.005
O2 C1 H4 112.473 O2 C1 H5 112.473
H3 C1 H4 108.035 H3 C1 H5 108.035
H4 C1 H5 108.628
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.041      
2 O -0.334      
3 H 0.087      
4 H 0.047      
5 H 0.047      
6 H 0.195      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.352 0.853 0.000 1.599
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.655 -2.062 0.000
y -2.062 -13.127 0.000
z 0.000 0.000 -13.617
Traceless
 xyz
x 1.718 -2.062 0.000
y -2.062 -0.492 0.000
z 0.000 0.000 -1.226
Polar
3z2-r2-2.452
x2-y21.473
xy-2.062
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.751 -0.118 0.000
y -0.118 2.969 0.000
z 0.000 0.000 2.525


<r2> (average value of r2) Å2
<r2> 23.414
(<r2>)1/2 4.839