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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: PBEPBE/STO-3G

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/STO-3G
 hartrees
Energy at 0K-152.834046
Energy at 298.15K-152.840485
HF Energy-152.834046
Nuclear repulsion energy79.471759
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/STO-3G
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' 3565 3257 46.06 51.38 0.30 0.46
2 A' 3422 3127 1.17 28.15 0.75 0.86
3 A' 3253 2972 1.02 39.53 0.01 0.02
4 A' 3135 2864 24.82 43.93 0.11 0.20
5 A' 1658 1514 0.92 0.43 0.69 0.82
6 A' 1636 1495 4.98 27.14 0.75 0.86
7 A' 1576 1439 7.52 7.10 0.68 0.81
8 A' 1515 1384 0.28 3.10 0.71 0.83
9 A' 1376 1257 34.50 9.63 0.74 0.85
10 A' 1169 1068 4.18 4.08 0.42 0.60
11 A' 1073 980 10.43 3.23 0.28 0.44
12 A' 943 861 0.61 4.83 0.33 0.50
13 A' 392 358 5.86 0.34 0.69 0.82
14 A" 3425 3129 1.70 22.55 0.75 0.86
15 A" 3223 2945 27.76 36.24 0.75 0.86
16 A" 1634 1492 2.94 15.84 0.75 0.86
17 A" 1332 1217 0.29 12.53 0.75 0.86
18 A" 1183 1080 5.30 4.50 0.75 0.86
19 A" 853 780 1.17 0.02 0.75 0.86
20 A" 344 314 61.97 8.34 0.75 0.86
21 A" 198 181 2.30 0.11 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18451.6 cm-1
Scaled (by 0.9136) Zero Point Vibrational Energy (zpe) 16857.4 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 PBEPBE/STO-3G
ABC
1.10252 0.29689 0.25718

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.203 -0.421 0.000
C2 0.000 0.569 0.000
O3 -1.238 -0.236 0.000
H4 -1.952 0.519 0.000
H5 2.156 0.139 0.000
H6 1.170 -1.066 0.897
H7 1.170 -1.066 -0.897
H8 0.073 1.235 0.901
H9 0.073 1.235 -0.901

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.55712.44783.29191.10601.10571.10572.19792.1979
C21.55711.47651.95302.19872.20132.20131.12361.1236
O32.44781.47651.03893.41522.70092.70092.16682.1668
H43.29191.95301.03894.12623.61483.61482.32972.3297
H51.10602.19873.41524.12621.79731.79732.52092.5209
H61.10572.20132.70093.61481.79731.79472.54943.1201
H71.10572.20132.70093.61481.79731.79473.12012.5494
H82.19791.12362.16682.32972.52092.54943.12011.8030
H92.19791.12362.16682.32972.52093.12012.54941.8030

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.558 C1 C2 H8 109.080
C1 C2 H9 109.080 C2 C1 H5 110.143
C2 C1 H6 110.369 C2 C1 H7 110.369
C2 O3 H4 100.423 O3 C2 H8 112.181
O3 C2 H9 112.181 H5 C1 H6 108.705
H5 C1 H7 108.705 H6 C1 H7 108.498
H8 C2 H9 106.706
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.237      
2 C -0.067      
3 O -0.228      
4 H 0.159      
5 H 0.080      
6 H 0.084      
7 H 0.084      
8 H 0.062      
9 H 0.062      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.072 1.237 0.000 1.240
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.885 -1.856 0.000
y -1.856 -17.987 0.000
z 0.000 0.000 -18.302
Traceless
 xyz
x 1.259 -1.856 0.000
y -1.856 -0.393 0.000
z 0.000 0.000 -0.866
Polar
3z2-r2-1.732
x2-y21.101
xy-1.856
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.639 -0.131 0.000
y -0.131 2.010 0.000
z 0.000 0.000 1.655


<r2> (average value of r2) Å2
<r2> 55.518
(<r2>)1/2 7.451