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

using model chemistry: TPSSh/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 TPSSh/3-21G*
 hartrees
Energy at 0K-115.075967
Energy at 298.15K-115.080166
HF Energy-115.075967
Nuclear repulsion energy39.341683
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 TPSSh/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' 3452 3334 2.18 91.60 0.31 0.47
2 A' 3125 3018 30.82 76.04 0.48 0.65
3 A' 2980 2878 55.35 119.17 0.08 0.15
4 A' 1587 1532 4.47 26.07 0.74 0.85
5 A' 1520 1468 4.61 9.76 0.62 0.77
6 A' 1399 1351 19.56 7.53 0.75 0.86
7 A' 1074 1037 18.28 6.89 0.52 0.68
8 A' 979 945 73.07 2.83 0.34 0.51
9 A" 3015 2912 99.00 70.86 0.75 0.86
10 A" 1569 1515 2.56 27.75 0.75 0.86
11 A" 1145 1106 0.04 12.44 0.75 0.86
12 A" 387 374 138.00 7.90 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11114.7 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 10733.4 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 TPSSh/3-21G*
ABC
4.17567 0.78287 0.75420

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 0.685 0.000
O2 -0.048 -0.782 0.000
H3 -1.102 0.973 0.000
H4 0.429 1.119 0.894
H5 0.429 1.119 -0.894
H6 0.910 -1.065 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5 H6
C11.46611.09261.10191.10191.9946
O21.46612.04652.15352.15350.9984
H31.09262.04651.77821.77822.8632
H41.10192.15351.77821.78712.4085
H51.10192.15351.77821.78712.4085
H61.99460.99842.86322.40852.4085

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 106.511 O2 C1 H3 105.285
O2 C1 H4 113.221 O2 C1 H5 113.221
H3 C1 H4 108.249 H3 C1 H5 108.249
H4 C1 H5 108.371
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.366      
2 O -0.549      
3 H 0.222      
4 H 0.179      
5 H 0.179      
6 H 0.336      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.511 1.070 0.000 1.852
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.278 -0.215 0.000
y -0.215 2.459 0.000
z 0.000 0.000 1.809


<r2> (average value of r2) Å2
<r2> 24.217
(<r2>)1/2 4.921