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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: PBEPBE/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/cc-pVTZ
 hartrees
Energy at 0K-154.900988
Energy at 298.15K-154.907558
HF Energy-154.900988
Nuclear repulsion energy81.434766
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/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' 3719 3694 16.26 118.66 0.27 0.42
2 A' 3049 3028 24.57 62.60 0.74 0.85
3 A' 2975 2954 15.70 154.25 0.00 0.01
4 A' 2897 2877 72.83 148.08 0.08 0.14
5 A' 1475 1465 1.08 3.42 0.60 0.75
6 A' 1449 1439 2.85 14.24 0.75 0.85
7 A' 1403 1394 10.27 2.95 0.52 0.69
8 A' 1349 1340 3.62 0.30 0.65 0.79
9 A' 1236 1227 63.04 2.77 0.72 0.83
10 A' 1075 1068 31.65 5.22 0.57 0.73
11 A' 1006 999 53.44 4.80 0.12 0.21
12 A' 876 870 13.93 3.69 0.38 0.55
13 A' 404 401 10.35 0.30 0.73 0.85
14 A" 3049 3028 28.42 49.89 0.75 0.86
15 A" 2920 2900 57.38 108.63 0.75 0.86
16 A" 1430 1420 6.32 7.97 0.75 0.86
17 A" 1253 1244 0.12 7.08 0.75 0.86
18 A" 1137 1129 3.17 1.56 0.75 0.86
19 A" 793 788 0.31 0.11 0.75 0.86
20 A" 273 271 70.64 2.42 0.75 0.86
21 A" 233 231 38.41 0.95 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 16999.6 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 16882.3 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/cc-pVTZ
ABC
1.16137 0.31081 0.27035

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.176 -0.403 0.000
C2 0.000 0.556 0.000
O3 -1.202 -0.223 0.000
H4 -1.952 0.391 0.000
H5 2.125 0.151 0.000
H6 1.147 -1.046 0.890
H7 1.147 -1.046 -0.890
H8 0.047 1.209 0.892
H9 0.047 1.209 -0.892

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.51682.38403.22711.09881.09841.09842.16052.1605
C21.51681.43211.95942.16312.16182.16181.10661.1066
O32.38401.43210.96983.34752.64322.64322.09912.0991
H43.22711.95940.96984.08443.53043.53042.33722.3372
H51.09882.16313.34754.08441.78311.78312.49682.4968
H61.09842.16182.64323.53041.78311.77992.50923.0775
H71.09842.16182.64323.53041.78311.77993.07752.5092
H82.16051.10662.09912.33722.49682.50923.07751.7837
H92.16051.10662.09912.33722.49683.07752.50921.7837

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.856 C1 C2 H8 109.896
C1 C2 H9 109.896 C2 C1 H5 110.570
C2 C1 H6 110.489 C2 C1 H7 110.489
C2 O3 H4 107.774 O3 C2 H8 110.899
O3 C2 H9 110.899 H5 C1 H6 108.490
H5 C1 H7 108.490 H6 C1 H7 108.239
H8 C2 H9 107.403
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.279      
2 C 0.023      
3 O -0.313      
4 H 0.190      
5 H 0.086      
6 H 0.099      
7 H 0.099      
8 H 0.048      
9 H 0.048      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.018 1.456 0.000 1.457
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.842 -2.220 0.000
y -2.220 -20.179 0.000
z 0.000 0.000 -20.325
Traceless
 xyz
x 2.410 -2.220 0.000
y -2.220 -1.095 0.000
z 0.000 0.000 -1.314
Polar
3z2-r2-2.629
x2-y22.337
xy-2.220
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.308 -0.217 0.000
y -0.217 4.731 0.000
z 0.000 0.000 4.293


<r2> (average value of r2) Å2
<r2> 54.643
(<r2>)1/2 7.392