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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: PBEPBE/6-31G*

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/6-31G*
 hartrees
Energy at 0K-154.830828
Energy at 298.15K-154.837442
HF Energy-154.830828
Nuclear repulsion energy81.286887
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/6-31G*
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' 3642 3590 5.75 121.70 0.31 0.47
2 A' 3076 3032 25.36 62.00 0.75 0.86
3 A' 2995 2953 14.83 111.80 0.01 0.01
4 A' 2901 2860 77.39 116.44 0.11 0.20
5 A' 1512 1490 2.40 4.09 0.57 0.73
6 A' 1485 1463 3.76 28.94 0.74 0.85
7 A' 1433 1413 15.00 6.18 0.71 0.83
8 A' 1375 1355 1.58 1.47 0.62 0.76
9 A' 1259 1241 79.10 8.01 0.75 0.86
10 A' 1098 1082 29.68 5.22 0.54 0.70
11 A' 1019 1004 47.18 3.11 0.14 0.24
12 A' 891 879 11.40 4.55 0.46 0.63
13 A' 406 400 11.16 0.26 0.72 0.84
14 A" 3077 3033 28.25 51.67 0.75 0.86
15 A" 2925 2883 79.02 96.03 0.75 0.86
16 A" 1465 1444 5.59 17.71 0.75 0.86
17 A" 1267 1248 0.34 15.39 0.75 0.86
18 A" 1155 1138 4.20 3.81 0.75 0.86
19 A" 805 793 0.16 0.10 0.75 0.86
20 A" 299 295 92.71 4.68 0.75 0.86
21 A" 246 242 32.73 1.11 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17163.8 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 16918.4 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/6-31G*
ABC
1.15159 0.31090 0.27006

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.173 -0.411 0.000
C2 0.000 0.557 0.000
O3 -1.202 -0.218 0.000
H4 -1.948 0.413 0.000
H5 2.131 0.136 0.000
H6 1.138 -1.057 0.893
H7 1.138 -1.057 -0.893
H8 0.057 1.216 0.894
H9 0.057 1.216 -0.894

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.52172.38293.22871.10311.10271.10272.16712.1671
C21.52171.42991.95342.17232.16762.16761.11231.1123
O32.38291.42990.97773.35142.64082.64082.10722.1072
H43.22871.95340.97774.08863.53293.53292.33752.3375
H51.10312.17233.35144.08861.79131.79132.50392.5039
H61.10272.16762.64083.53291.79131.78592.51753.0874
H71.10272.16762.64083.53291.79131.78593.08742.5175
H82.16711.11232.10722.33752.50392.51753.08741.7885
H92.16711.11232.10722.33752.50393.08742.51751.7885

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.632 C1 C2 H8 109.743
C1 C2 H9 109.743 C2 C1 H5 110.703
C2 C1 H6 110.352 C2 C1 H7 110.352
C2 O3 H4 106.948 O3 C2 H8 111.356
O3 C2 H9 111.356 H5 C1 H6 108.603
H5 C1 H7 108.603 H6 C1 H7 108.157
H8 C2 H9 107.014
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.484      
2 C -0.079      
3 O -0.579      
4 H 0.385      
5 H 0.155      
6 H 0.171      
7 H 0.171      
8 H 0.130      
9 H 0.130      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.059 1.495 0.000 1.496
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.287 -2.363 0.000
y -2.363 -19.724 0.000
z 0.000 0.000 -19.974
Traceless
 xyz
x 2.562 -2.363 0.000
y -2.363 -1.093 0.000
z 0.000 0.000 -1.469
Polar
3z2-r2-2.938
x2-y22.437
xy-2.363
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.526 -0.156 0.000
y -0.156 3.984 0.000
z 0.000 0.000 3.619


<r2> (average value of r2) Å2
<r2> 54.445
(<r2>)1/2 7.379