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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: PBEPBE/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/6-31+G**
 hartrees
Energy at 0K-154.855512
Energy at 298.15K-154.862079
HF Energy-154.855512
Nuclear repulsion energy81.173112
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 PBEPBE/6-31+G**
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' 3728 3686 18.66 114.02 0.26 0.41
2 A' 3068 3033 23.23 66.67 0.75 0.85
3 A' 2986 2952 16.31 149.81 0.00 0.01
4 A' 2915 2881 78.42 135.64 0.09 0.16
5 A' 1478 1461 1.46 3.35 0.74 0.85
6 A' 1456 1440 4.53 14.36 0.73 0.85
7 A' 1399 1383 17.64 3.20 0.55 0.71
8 A' 1351 1335 1.81 0.30 0.59 0.74
9 A' 1226 1212 66.15 3.86 0.74 0.85
10 A' 1073 1061 38.61 6.40 0.47 0.64
11 A' 1008 997 54.08 4.48 0.20 0.33
12 A' 878 868 15.61 4.63 0.35 0.52
13 A' 405 401 12.09 0.35 0.62 0.77
14 A" 3072 3037 25.97 50.54 0.75 0.86
15 A" 2946 2913 56.87 118.18 0.75 0.86
16 A" 1438 1422 8.52 9.18 0.75 0.86
17 A" 1254 1240 0.37 8.74 0.75 0.86
18 A" 1138 1125 3.35 0.77 0.75 0.86
19 A" 795 786 0.29 0.22 0.75 0.86
20 A" 281 277 91.04 1.54 0.75 0.86
21 A" 234 232 48.16 0.24 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17063.7 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 16869.2 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 PBEPBE/6-31+G**
ABC
1.15411 0.30886 0.26871

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.180 -0.402 0.000
C2 0.000 0.558 0.000
O3 -1.204 -0.226 0.000
H4 -1.966 0.381 0.000
H5 2.131 0.157 0.000
H6 1.153 -1.047 0.893
H7 1.153 -1.047 -0.893
H8 0.041 1.212 0.896
H9 0.041 1.212 -0.896

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.52102.39073.24151.10261.10211.10212.16832.1683
C21.52101.43701.97372.16822.16902.16901.10981.1098
O32.39071.43700.97373.35692.65162.65162.10262.1026
H43.24151.97370.97374.10263.54483.54482.34982.3498
H51.10262.16823.35694.10261.78931.78932.50612.5061
H61.10212.16902.65163.54481.78931.78592.51753.0884
H71.10212.16902.65163.54481.78931.78593.08842.5175
H82.16831.10982.10262.34982.50612.51753.08841.7922
H92.16831.10982.10262.34982.50613.08842.51751.7922

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.810 C1 C2 H8 110.031
C1 C2 H9 110.031 C2 C1 H5 110.450
C2 C1 H6 110.543 C2 C1 H7 110.543
C2 O3 H4 108.377 O3 C2 H8 110.642
O3 C2 H9 110.642 H5 C1 H6 108.498
H5 C1 H7 108.498 H6 C1 H7 108.236
H8 C2 H9 107.696
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.490      
2 C -0.179      
3 O -0.493      
4 H 0.341      
5 H 0.166      
6 H 0.183      
7 H 0.183      
8 H 0.144      
9 H 0.144      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.124 1.713 0.000 1.717
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.971 -2.633 0.000
y -2.633 -20.498 0.000
z 0.000 0.000 -20.655
Traceless
 xyz
x 2.606 -2.633 0.000
y -2.633 -1.185 0.000
z 0.000 0.000 -1.421
Polar
3z2-r2-2.842
x2-y22.527
xy-2.633
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.108 -0.090 0.000
y -0.090 4.629 0.000
z 0.000 0.000 4.276


<r2> (average value of r2) Å2
<r2> 55.078
(<r2>)1/2 7.421