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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: B3LYP/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 B3LYP/6-311G**
 hartrees
Energy at 0K-155.088116
Energy at 298.15K-155.094792
HF Energy-155.088116
Nuclear repulsion energy81.711668
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 B3LYP/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' 3839 3712 20.95 107.14 0.30 0.47
2 A' 3101 2998 33.82 65.89 0.75 0.86
3 A' 3033 2933 17.38 137.36 0.01 0.02
4 A' 2965 2866 73.95 129.45 0.11 0.19
5 A' 1531 1480 1.42 3.75 0.68 0.81
6 A' 1504 1454 2.89 18.38 0.75 0.86
7 A' 1460 1412 10.63 3.67 0.46 0.63
8 A' 1406 1359 3.11 0.45 0.73 0.84
9 A' 1278 1236 78.25 3.74 0.75 0.86
10 A' 1107 1071 21.26 5.82 0.59 0.74
11 A' 1035 1001 62.93 3.58 0.18 0.30
12 A' 903 873 11.78 5.35 0.37 0.54
13 A' 418 404 11.45 0.35 0.68 0.81
14 A" 3105 3002 37.38 51.65 0.75 0.86
15 A" 2989 2890 66.74 107.41 0.75 0.86
16 A" 1481 1432 6.58 10.62 0.75 0.86
17 A" 1302 1258 0.03 9.53 0.75 0.86
18 A" 1180 1141 4.32 1.66 0.75 0.86
19 A" 827 799 0.02 0.07 0.75 0.86
20 A" 289 279 85.90 2.94 0.75 0.86
21 A" 253 245 39.57 0.91 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17502.4 cm-1
Scaled (by 0.9668) Zero Point Vibrational Energy (zpe) 16921.3 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 B3LYP/6-311G**
ABC
1.16733 0.31265 0.27178

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.173 -0.406 0.000
C2 0.000 0.557 0.000
O3 -1.198 -0.218 0.000
H4 -1.945 0.386 0.000
H5 2.121 0.137 0.000
H6 1.138 -1.046 0.885
H7 1.138 -1.046 -0.885
H8 0.047 1.205 0.888
H9 0.047 1.205 -0.888

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.51762.37783.21681.09341.09251.09252.15612.1561
C21.51761.42701.95272.16242.15592.15591.09981.0998
O32.37781.42700.96133.33812.63122.63122.08912.0891
H43.21681.95270.96134.07413.51273.51272.33012.3301
H51.09342.16243.33814.07411.77491.77492.49562.4956
H61.09252.15592.63123.51271.77491.76992.50093.0654
H71.09252.15592.63123.51271.77491.76993.06542.5009
H82.15611.09982.08912.33012.49562.50093.06541.7753
H92.15611.09982.08912.33012.49563.06542.50091.7753

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.667 C1 C2 H8 109.902
C1 C2 H9 109.902 C2 C1 H5 110.785
C2 C1 H6 110.317 C2 C1 H7 110.317
C2 O3 H4 108.109 O3 C2 H8 110.873
O3 C2 H9 110.873 H5 C1 H6 108.578
H5 C1 H7 108.578 H6 C1 H7 108.195
H8 C2 H9 107.631
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.309      
2 C -0.023      
3 O -0.403      
4 H 0.235      
5 H 0.099      
6 H 0.113      
7 H 0.113      
8 H 0.087      
9 H 0.087      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.017 1.607 0.000 1.607
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.743 -2.309 0.000
y -2.309 -20.070 0.000
z 0.000 0.000 -20.167
Traceless
 xyz
x 2.376 -2.309 0.000
y -2.309 -1.116 0.000
z 0.000 0.000 -1.260
Polar
3z2-r2-2.521
x2-y22.328
xy-2.309
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.735 -0.192 0.000
y -0.192 4.220 0.000
z 0.000 0.000 3.847


<r2> (average value of r2) Å2
<r2> 54.312
(<r2>)1/2 7.370