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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: B2PLYP/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/6-31+G**
 hartrees
Energy at 0K-154.888088
Energy at 298.15K-154.894738
HF Energy-154.728936
Nuclear repulsion energy81.675122
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 B2PLYP/6-31+G**
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' 3864 3680 27.89 100.64 0.25 0.40
2 A' 3163 3012 28.05 61.66 0.75 0.86
3 A' 3083 2936 16.81 143.64 0.01 0.02
4 A' 3037 2892 71.32 114.50 0.11 0.19
5 A' 1554 1480 1.65 4.25 0.75 0.86
6 A' 1528 1455 3.53 12.60 0.73 0.84
7 A' 1470 1400 19.20 3.47 0.43 0.60
8 A' 1424 1356 0.55 0.21 0.42 0.59
9 A' 1271 1210 71.62 3.29 0.71 0.83
10 A' 1111 1058 27.98 7.29 0.49 0.66
11 A' 1049 999 62.86 4.11 0.26 0.41
12 A' 911 868 15.58 6.80 0.27 0.43
13 A' 420 400 12.38 0.35 0.55 0.71
14 A" 3172 3021 30.16 44.50 0.75 0.86
15 A" 3073 2927 52.43 103.85 0.75 0.86
16 A" 1509 1438 6.68 9.46 0.75 0.86
17 A" 1313 1251 0.10 8.54 0.75 0.86
18 A" 1196 1139 3.62 0.90 0.75 0.86
19 A" 830 790 0.02 0.14 0.75 0.86
20 A" 284 271 77.33 1.14 0.75 0.86
21 A" 237 226 70.15 0.33 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17749.7 cm-1
Scaled (by 0.9524) Zero Point Vibrational Energy (zpe) 16904.8 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 B2PLYP/6-31+G**
ABC
1.16882 0.31208 0.27143

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.176 -0.397 0.000
C2 0.000 0.558 0.000
O3 -1.197 -0.227 0.000
H4 -1.961 0.362 0.000
H5 2.117 0.158 0.000
H6 1.147 -1.035 0.885
H7 1.147 -1.035 -0.885
H8 0.034 1.202 0.887
H9 0.034 1.202 -0.887

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.51532.37963.22751.09251.09121.09122.15642.1564
C21.51531.43151.97032.15462.15342.15341.09691.0969
O32.37961.43150.96413.33662.63322.63322.08422.0842
H43.22751.97030.96414.08283.52053.52052.33882.3388
H51.09252.15463.33664.08281.77391.77392.49352.4935
H61.09122.15342.63323.52051.77391.77032.49863.0634
H71.09122.15342.63323.52051.77391.77033.06342.4986
H82.15641.09692.08422.33882.49352.49863.06341.7747
H92.15641.09692.08422.33882.49353.06342.49861.7747

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.676 C1 C2 H8 110.251
C1 C2 H9 110.251 C2 C1 H5 110.372
C2 C1 H6 110.348 C2 C1 H7 110.348
C2 O3 H4 109.110 O3 C2 H8 110.339
O3 C2 H9 110.339 H5 C1 H6 108.649
H5 C1 H7 108.649 H6 C1 H7 108.417
H8 C2 H9 107.995
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.418      
2 C -0.057      
3 O -0.553      
4 H 0.344      
5 H 0.138      
6 H 0.156      
7 H 0.156      
8 H 0.117      
9 H 0.117      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.163 1.804 0.000 1.811
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.017 -2.663 -0.008
y -2.663 -20.477 -0.001
z -0.008 -0.001 -20.596
Traceless
 xyz
x 2.519 -2.663 -0.008
y -2.663 -1.170 -0.001
z -0.008 -0.001 -1.349
Polar
3z2-r2-2.699
x2-y22.460
xy-2.663
xz-0.008
yz-0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.776 -0.056 0.000
y -0.056 4.330 0.000
z 0.000 0.000 4.037


<r2> (average value of r2) Å2
<r2> 54.587
(<r2>)1/2 7.388