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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: PBEPBE/daug-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 PBEPBE/daug-cc-pVTZ
 hartrees
Energy at 0K-154.905942
Energy at 298.15K-154.912480
HF Energy-154.905942
Nuclear repulsion energy81.356843
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/daug-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' 3715 3715 20.39 124.68 0.21 0.34
2 A' 3046 3046 22.06 59.44 0.74 0.85
3 A' 2973 2973 15.02 188.40 0.00 0.00
4 A' 2904 2904 69.51 164.51 0.06 0.11
5 A' 1468 1468 1.42 2.43 0.65 0.79
6 A' 1446 1446 3.11 7.69 0.74 0.85
7 A' 1393 1393 11.57 0.96 0.70 0.82
8 A' 1346 1346 2.60 0.15 0.41 0.58
9 A' 1229 1229 55.96 1.17 0.52 0.68
10 A' 1067 1067 34.49 5.96 0.43 0.60
11 A' 1005 1005 54.93 5.67 0.12 0.21
12 A' 872 872 15.95 4.05 0.21 0.35
13 A' 404 404 10.63 0.34 0.64 0.78
14 A" 3047 3047 25.82 44.78 0.75 0.86
15 A" 2929 2929 46.00 110.64 0.75 0.86
16 A" 1428 1428 6.62 4.62 0.75 0.86
17 A" 1251 1251 0.08 3.67 0.75 0.86
18 A" 1133 1133 2.46 0.64 0.75 0.86
19 A" 790 790 0.44 0.26 0.75 0.86
20 A" 273 273 71.90 1.40 0.75 0.86
21 A" 225 225 35.73 0.36 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 16970.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16970.7 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/daug-cc-pVTZ
ABC
1.16294 0.30958 0.26954

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.179 -0.398 0.000
C2 0.000 0.555 0.000
O3 -1.204 -0.228 0.000
H4 -1.960 0.380 0.000
H5 2.124 0.163 0.000
H6 1.156 -1.041 0.890
H7 1.156 -1.041 -0.890
H8 0.038 1.207 0.893
H9 0.038 1.207 -0.893

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.51642.38903.23421.09881.09841.09842.16222.1622
C21.51641.43581.96792.16042.16262.16261.10571.1057
O32.38901.43580.97003.35072.64992.64992.09652.0965
H43.23421.96790.97004.09013.53843.53842.33922.3392
H51.09882.16043.35074.09011.78291.78292.49822.4982
H61.09842.16262.64993.53841.78291.78042.51063.0792
H71.09842.16262.64993.53841.78291.78043.07922.5106
H82.16221.10572.09652.33922.49822.51063.07921.7851
H92.16221.10572.09652.33922.49823.07922.51061.7851

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 108.010 C1 C2 H8 110.112
C1 C2 H9 110.112 C2 C1 H5 110.380
C2 C1 H6 110.579 C2 C1 H7 110.579
C2 O3 H4 108.200 O3 C2 H8 110.484
O3 C2 H9 110.484 H5 C1 H6 108.474
H5 C1 H7 108.474 H6 C1 H7 108.282
H8 C2 H9 107.648
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.736      
2 C 0.253      
3 O -0.766      
4 H 0.183      
5 H 0.176      
6 H 0.182      
7 H 0.182      
8 H 0.264      
9 H 0.264      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.127 1.508 0.000 1.513
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.166 -2.364 0.000
y -2.364 -20.452 0.000
z 0.000 0.000 -20.566
Traceless
 xyz
x 2.343 -2.364 0.000
y -2.364 -1.086 0.000
z 0.000 0.000 -1.257
Polar
3z2-r2-2.514
x2-y22.286
xy-2.364
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.862 -0.142 0.000
y -0.142 5.247 0.000
z 0.000 0.000 4.846


<r2> (average value of r2) Å2
<r2> 54.929
(<r2>)1/2 7.411