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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: B2PLYP/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 B2PLYP/STO-3G
 hartrees
Energy at 0K-152.777146
Energy at 298.15K-152.783671
HF Energy-152.727412
Nuclear repulsion energy79.904997
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/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' 3783 3783 45.13 52.28 0.30 0.46
2 A' 3533 3533 1.30 27.78 0.75 0.86
3 A' 3358 3358 0.98 37.97 0.02 0.03
4 A' 3286 3286 15.22 38.27 0.15 0.26
5 A' 1724 1724 0.56 0.28 0.73 0.85
6 A' 1703 1703 3.73 26.53 0.75 0.86
7 A' 1647 1647 7.33 6.80 0.72 0.84
8 A' 1582 1582 0.52 2.62 0.74 0.85
9 A' 1442 1442 34.09 8.65 0.75 0.86
10 A' 1225 1225 1.89 5.45 0.47 0.64
11 A' 1125 1125 7.94 3.50 0.35 0.52
12 A' 987 987 0.30 6.74 0.30 0.46
13 A' 404 404 5.65 0.38 0.67 0.80
14 A" 3536 3536 1.61 22.47 0.75 0.86
15 A" 3388 3388 20.06 32.93 0.75 0.86
16 A" 1700 1700 1.68 16.32 0.75 0.86
17 A" 1395 1395 0.02 13.40 0.75 0.86
18 A" 1237 1237 7.14 4.03 0.75 0.86
19 A" 886 886 0.26 0.01 0.75 0.86
20 A" 346 346 65.56 8.04 0.75 0.86
21 A" 205 205 2.17 0.06 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 19246.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 19246.0 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 B2PLYP/STO-3G
ABC
1.11976 0.29862 0.25910

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.200 -0.424 0.000
C2 0.000 0.566 0.000
O3 -1.233 -0.226 0.000
H4 -1.945 0.507 0.000
H5 2.150 0.130 0.000
H6 1.165 -1.066 0.892
H7 1.165 -1.066 -0.892
H8 0.066 1.225 0.896
H9 0.066 1.225 -0.896

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.55592.44153.28001.09971.09941.09942.19292.1929
C21.55591.46551.94582.19352.19432.19431.11391.1139
O32.44151.46551.02153.40182.69312.69312.14332.1433
H43.28001.94581.02154.11213.59723.59722.31522.3152
H51.09972.19353.40184.11211.78781.78782.51882.5188
H61.09942.19432.69313.59721.78781.78472.54043.1066
H71.09942.19432.69313.59721.78781.78473.10662.5404
H82.19291.11392.14332.31522.51882.54043.10661.7915
H92.19291.11392.14332.31522.51883.10662.54041.7915

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.775 C1 C2 H8 109.326
C1 C2 H9 109.326 C2 C1 H5 110.196
C2 C1 H6 110.271 C2 C1 H7 110.271
C2 O3 H4 101.461 O3 C2 H8 111.663
O3 C2 H9 111.663 H5 C1 H6 108.768
H5 C1 H7 108.768 H6 C1 H7 108.520
H8 C2 H9 107.059
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.204      
2 C -0.028      
3 O -0.248      
4 H 0.159      
5 H 0.069      
6 H 0.073      
7 H 0.073      
8 H 0.053      
9 H 0.053      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.124 1.317 0.000 1.323
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.172 -1.918 -0.006
y -1.918 -18.158 -0.001
z -0.006 -0.001 -18.425
Traceless
 xyz
x 1.120 -1.918 -0.006
y -1.918 -0.359 -0.001
z -0.006 -0.001 -0.761
Polar
3z2-r2-1.521
x2-y20.986
xy-1.918
xz-0.006
yz-0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.574 -0.142 0.000
y -0.142 1.955 0.000
z 0.000 0.000 1.642


<r2> (average value of r2) Å2
<r2> 55.280
(<r2>)1/2 7.435