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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-155.014361
Energy at 298.15K-155.021077
Nuclear repulsion energy81.950958
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 B3PW91/6-311G*
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' 3822 3680 9.75      
2 A' 3123 3007 34.71      
3 A' 3048 2934 18.74      
4 A' 2977 2866 83.11      
5 A' 1543 1486 1.68      
6 A' 1514 1457 3.36      
7 A' 1476 1421 10.27      
8 A' 1410 1357 4.89      
9 A' 1291 1243 93.28      
10 A' 1126 1084 30.11      
11 A' 1052 1013 54.90      
12 A' 915 881 9.87      
13 A' 418 403 12.93      
14 A" 3127 3010 38.75      
15 A" 3003 2891 73.93      
16 A" 1494 1438 7.99      
17 A" 1312 1264 0.04      
18 A" 1187 1142 5.25      
19 A" 825 795 0.02      
20 A" 315 303 129.07      
21 A" 259 250 20.96      

Unscaled Zero Point Vibrational Energy (zpe) 17617.8 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 16960.6 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 B3PW91/6-311G*
ABC
1.17629 0.31465 0.27375

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.167 -0.407 0.000
C2 0.000 0.553 0.000
O3 -1.193 -0.214 0.000
H4 -1.942 0.390 0.000
H5 2.118 0.134 0.000
H6 1.133 -1.048 0.884
H7 1.133 -1.048 -0.884
H8 0.049 1.203 0.887
H9 0.049 1.203 -0.887

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.51132.36863.20961.09371.09291.09292.15192.1519
C21.51131.41821.94872.15922.15182.15181.10121.1012
O32.36861.41820.96133.32962.62542.62542.08282.0828
H43.20961.94870.96134.06803.50813.50812.32662.3266
H51.09372.15923.32964.06801.77451.77452.49232.4923
H61.09292.15182.62543.50811.77451.76882.49903.0633
H71.09292.15182.62543.50811.77451.76883.06332.4990
H82.15191.10122.08282.32662.49232.49903.06331.7743
H92.15191.10122.08282.32662.49233.06332.49901.7743

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.866 C1 C2 H8 109.917
C1 C2 H9 109.917 C2 C1 H5 110.948
C2 C1 H6 110.404 C2 C1 H7 110.404
C2 O3 H4 108.434 O3 C2 H8 110.901
O3 C2 H9 110.901 H5 C1 H6 108.484
H5 C1 H7 108.484 H6 C1 H7 108.033
H8 C2 H9 107.346
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.662      
2 C -0.200      
3 O -0.572      
4 H 0.390      
5 H 0.213      
6 H 0.227      
7 H 0.227      
8 H 0.188      
9 H 0.188      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.073 1.697 0.000 1.698
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


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


<r2> (average value of r2) Å2
<r2> 53.952
(<r2>)1/2 7.345