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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: wB97X-D/CEP-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/CEP-31G*
 hartrees
Energy at 0K-30.883918
Energy at 298.15K-30.890619
HF Energy-30.883918
Nuclear repulsion energy48.753125
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 wB97X-D/CEP-31G*
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' 3892 3892 14.33 102.09 0.30 0.46
2 A' 3154 3154 60.11 58.55 0.75 0.86
3 A' 3083 3083 24.93 159.86 0.02 0.04
4 A' 3026 3026 105.24 117.93 0.11 0.20
5 A' 1541 1541 2.70 3.67 0.73 0.84
6 A' 1511 1511 3.28 20.99 0.74 0.85
7 A' 1476 1476 16.19 5.52 0.32 0.48
8 A' 1404 1404 1.12 0.90 0.08 0.14
9 A' 1288 1288 98.74 7.70 0.67 0.80
10 A' 1125 1125 40.29 9.75 0.57 0.73
11 A' 1054 1054 40.05 5.46 0.29 0.45
12 A' 913 913 7.92 8.26 0.36 0.53
13 A' 410 410 12.90 0.29 0.63 0.78
14 A" 3163 3163 62.70 41.97 0.75 0.86
15 A" 3058 3058 93.27 88.54 0.75 0.86
16 A" 1493 1493 6.03 14.60 0.75 0.86
17 A" 1302 1302 0.24 18.16 0.75 0.86
18 A" 1181 1181 6.20 1.35 0.75 0.86
19 A" 815 815 0.28 0.10 0.75 0.86
20 A" 336 336 141.90 4.38 0.75 0.86
21 A" 253 253 10.83 0.11 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17738.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 17738.7 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 wB97X-D/CEP-31G*
ABC
1.14997 0.30799 0.26783

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/CEP-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.181 -0.416 0.000
C2 0.000 0.562 0.000
O3 -1.206 -0.214 0.000
H4 -1.954 0.401 0.000
H5 2.136 0.134 0.000
H6 1.143 -1.059 0.894
H7 1.143 -1.059 -0.894
H8 0.047 1.211 0.895
H9 0.047 1.211 -0.895

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.53372.39613.24031.10261.10141.10142.17642.1764
C21.53371.43401.96092.17882.17512.17511.10711.1071
O32.39611.43400.96813.36082.65132.65132.09822.0982
H43.24031.96090.96814.09943.53833.53832.33742.3374
H51.10262.17883.36084.09941.79181.79182.51522.5152
H61.10142.17512.65133.53831.79181.78702.52063.0909
H71.10142.17512.65133.53831.79181.78703.09092.5206
H82.17641.10712.09822.33742.51522.52063.09091.7909
H92.17641.10712.09822.33742.51523.09092.52061.7909

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.636 C1 C2 H8 109.953
C1 C2 H9 109.953 C2 C1 H5 110.407
C2 C1 H6 110.187 C2 C1 H7 110.187
C2 O3 H4 107.857 O3 C2 H8 110.667
O3 C2 H9 110.667 H5 C1 H6 108.783
H5 C1 H7 108.783 H6 C1 H7 108.444
H8 C2 H9 107.972
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.353      
2 C -0.205      
3 O -0.486      
4 H 0.379      
5 H 0.135      
6 H 0.142      
7 H 0.142      
8 H 0.123      
9 H 0.123      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.120 1.783 0.000 1.787
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.214 -2.505 0.000
y -2.505 -19.491 0.000
z 0.000 0.000 -19.600
Traceless
 xyz
x 2.332 -2.505 0.000
y -2.505 -1.084 0.000
z 0.000 0.000 -1.248
Polar
3z2-r2-2.496
x2-y22.277
xy-2.505
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.384 -0.246 0.000
y -0.246 3.810 0.000
z 0.000 0.000 3.331


<r2> (average value of r2) Å2
<r2> 47.818
(<r2>)1/2 6.915