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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: B3PW91/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 B3PW91/STO-3G
 hartrees
Energy at 0K-152.993809
Energy at 298.15K-153.000318
HF Energy-152.993809
Nuclear repulsion energy79.989770
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 B3PW91/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' 3737 3307 39.54 52.26 0.30 0.46
2 A' 3510 3107 0.71 27.93 0.75 0.86
3 A' 3337 2953 0.67 38.86 0.01 0.03
4 A' 3246 2873 17.49 40.47 0.13 0.23
5 A' 1701 1505 1.00 0.35 0.75 0.86
6 A' 1680 1487 4.33 26.65 0.75 0.86
7 A' 1625 1439 7.40 6.74 0.70 0.82
8 A' 1559 1380 0.33 2.76 0.73 0.84
9 A' 1421 1258 35.76 8.88 0.75 0.86
10 A' 1213 1073 3.66 4.81 0.46 0.63
11 A' 1112 984 8.97 3.29 0.30 0.46
12 A' 976 864 0.44 5.72 0.32 0.48
13 A' 404 358 6.20 0.36 0.68 0.81
14 A" 3513 3109 1.01 22.50 0.75 0.86
15 A" 3344 2959 20.75 34.13 0.75 0.86
16 A" 1676 1483 2.76 16.05 0.75 0.86
17 A" 1376 1217 0.10 12.99 0.75 0.86
18 A" 1222 1081 6.57 4.01 0.75 0.86
19 A" 877 776 0.89 0.01 0.75 0.86
20 A" 345 305 67.69 8.02 0.75 0.86
21 A" 207 183 2.41 0.08 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 19039.7 cm-1
Scaled (by 0.885) Zero Point Vibrational Energy (zpe) 16850.1 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 B3PW91/STO-3G
ABC
1.12381 0.29938 0.25987

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.198 -0.421 0.000
C2 0.000 0.563 0.000
O3 -1.233 -0.227 0.000
H4 -1.943 0.511 0.000
H5 2.146 0.136 0.000
H6 1.166 -1.063 0.892
H7 1.166 -1.063 -0.892
H8 0.070 1.223 0.896
H9 0.070 1.223 -0.896

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.55022.43813.27611.09941.09911.09912.18612.1861
C21.55021.46421.94352.18762.19012.19011.11491.1149
O32.43811.46421.02473.39762.69172.69172.14542.1454
H43.27611.94351.02474.10563.59663.59662.31502.3150
H51.09942.18763.39764.10561.78661.78662.50872.5087
H61.09912.19012.69173.59661.78661.78392.53513.1019
H71.09912.19012.69173.59661.78661.78393.10192.5351
H82.18611.11492.14542.31502.50872.53513.10191.7910
H92.18611.11492.14542.31502.50873.10192.53511.7910

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.928 C1 C2 H8 109.133
C1 C2 H9 109.133 C2 C1 H5 110.146
C2 C1 H6 110.361 C2 C1 H7 110.361
C2 O3 H4 101.209 O3 C2 H8 111.863
O3 C2 H9 111.863 H5 C1 H6 108.714
H5 C1 H7 108.714 H6 C1 H7 108.493
H8 C2 H9 106.874
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.234      
2 C -0.056      
3 O -0.248      
4 H 0.166      
5 H 0.079      
6 H 0.083      
7 H 0.083      
8 H 0.063      
9 H 0.063      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.107 1.316 0.000 1.320
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.947 -1.934 0.000
y -1.934 -18.006 0.000
z 0.000 0.000 -18.299
Traceless
 xyz
x 1.206 -1.934 0.000
y -1.934 -0.383 0.000
z 0.000 0.000 -0.823
Polar
3z2-r2-1.645
x2-y21.059
xy-1.934
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.575 -0.138 0.000
y -0.138 1.961 0.000
z 0.000 0.000 1.638


<r2> (average value of r2) Å2
<r2> 55.060
(<r2>)1/2 7.420