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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: PBEPBEultrafine/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBEultrafine/6-31G(2df,p)
 hartrees
Energy at 0K-154.849141
Energy at 298.15K-154.855710
HF Energy-154.849141
Nuclear repulsion energy81.399084
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 PBEPBEultrafine/6-31G(2df,p)
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' 3723 3685 11.17 108.66 0.29 0.45
2 A' 3070 3039 21.62 58.56 0.74 0.85
3 A' 2985 2954 14.35 110.08 0.00 0.01
4 A' 2889 2860 70.75 113.34 0.10 0.18
5 A' 1479 1464 1.95 3.07 0.58 0.73
6 A' 1451 1436 2.30 23.32 0.74 0.85
7 A' 1413 1399 12.61 3.62 0.71 0.83
8 A' 1345 1331 1.72 1.40 0.65 0.79
9 A' 1243 1230 67.00 6.18 0.74 0.85
10 A' 1090 1079 34.82 4.53 0.51 0.68
11 A' 1008 998 42.21 3.88 0.12 0.21
12 A' 881 872 11.47 4.20 0.39 0.56
13 A' 401 397 9.64 0.26 0.73 0.84
14 A" 3068 3037 24.68 47.89 0.75 0.86
15 A" 2914 2884 66.39 89.71 0.75 0.86
16 A" 1432 1418 4.46 14.55 0.75 0.86
17 A" 1250 1238 0.12 11.60 0.75 0.86
18 A" 1142 1130 3.89 2.64 0.75 0.86
19 A" 791 783 0.17 0.14 0.75 0.86
20 A" 282 279 77.04 3.37 0.75 0.86
21 A" 232 230 28.95 0.84 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17045.6 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 16870.0 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 PBEPBEultrafine/6-31G(2df,p)
ABC
1.15592 0.31123 0.27047

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.172 -0.414 0.000
C2 0.000 0.556 0.000
O3 -1.201 -0.213 0.000
H4 -1.942 0.413 0.000
H5 2.129 0.131 0.000
H6 1.136 -1.060 0.892
H7 1.136 -1.060 -0.892
H8 0.059 1.215 0.893
H9 0.059 1.215 -0.893

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.52192.38223.22261.10141.10141.10142.16642.1664
C21.52191.42661.94752.17112.16732.16731.11141.1114
O32.38221.42660.97023.34822.64122.64122.10362.1036
H43.22261.94750.97024.08113.52723.52722.33322.3332
H51.10142.17113.34824.08111.78871.78872.50192.5019
H61.10142.16732.64123.52721.78871.78342.51723.0857
H71.10142.16732.64123.52721.78871.78343.08572.5172
H82.16641.11142.10362.33322.50192.51723.08571.7860
H92.16641.11142.10362.33322.50193.08572.51721.7860

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.744 C1 C2 H8 109.726
C1 C2 H9 109.726 C2 C1 H5 110.689
C2 C1 H6 110.388 C2 C1 H7 110.388
C2 O3 H4 107.146 O3 C2 H8 111.356
O3 C2 H9 111.356 H5 C1 H6 108.591
H5 C1 H7 108.591 H6 C1 H7 108.120
H8 C2 H9 106.934
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.389      
2 C -0.087      
3 O -0.390      
4 H 0.283      
5 H 0.123      
6 H 0.136      
7 H 0.136      
8 H 0.094      
9 H 0.094      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.053 1.348 0.000 1.349
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.417 -2.183 0.000
y -2.183 -19.624 0.000
z 0.000 0.000 -19.841
Traceless
 xyz
x 2.316 -2.183 0.000
y -2.183 -0.995 0.000
z 0.000 0.000 -1.321
Polar
3z2-r2-2.642
x2-y22.207
xy-2.183
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.766 -0.185 0.000
y -0.185 4.183 0.000
z 0.000 0.000 3.846


<r2> (average value of r2) Å2
<r2> 54.351
(<r2>)1/2 7.372