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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: PBE1PBE/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 PBE1PBE/6-31+G**
 hartrees
Energy at 0K-154.871655
Energy at 298.15K-154.878316
HF Energy-154.871655
Nuclear repulsion energy81.904463
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 PBE1PBE/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' 3904 3729 32.27 100.25 0.26 0.41
2 A' 3156 3015 23.50 63.55 0.75 0.86
3 A' 3070 2932 15.28 144.90 0.01 0.01
4 A' 3011 2877 73.43 124.48 0.10 0.18
5 A' 1529 1461 2.07 4.30 0.75 0.85
6 A' 1502 1435 3.61 13.27 0.73 0.85
7 A' 1457 1391 17.44 3.29 0.48 0.65
8 A' 1399 1336 2.40 0.29 0.51 0.67
9 A' 1268 1211 81.55 3.16 0.74 0.85
10 A' 1131 1081 47.24 6.62 0.57 0.72
11 A' 1050 1003 45.06 4.22 0.18 0.30
12 A' 917 876 10.41 5.29 0.33 0.50
13 A' 419 400 12.56 0.32 0.58 0.73
14 A" 3160 3019 25.59 47.99 0.75 0.86
15 A" 3047 2911 53.75 108.58 0.75 0.86
16 A" 1484 1417 8.15 9.84 0.75 0.86
17 A" 1303 1245 0.11 8.83 0.75 0.86
18 A" 1181 1129 4.37 0.59 0.75 0.86
19 A" 819 782 0.17 0.16 0.75 0.86
20 A" 290 277 104.94 1.40 0.75 0.86
21 A" 245 234 43.13 0.14 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17670.7 cm-1
Scaled (by 0.9553) Zero Point Vibrational Energy (zpe) 16880.9 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 PBE1PBE/6-31+G**
ABC
1.17704 0.31397 0.27338

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.169 -0.405 0.000
C2 0.000 0.553 0.000
O3 -1.194 -0.215 0.000
H4 -1.950 0.379 0.000
H5 2.116 0.144 0.000
H6 1.139 -1.046 0.886
H7 1.139 -1.046 -0.886
H8 0.044 1.201 0.889
H9 0.044 1.201 -0.889

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.51172.37083.21631.09471.09401.09402.15292.1529
C21.51171.41911.95732.15542.15362.15361.10081.1008
O32.37081.41910.96153.32942.62992.62992.07982.0798
H43.21631.95730.96154.07283.51503.51502.33242.3324
H51.09472.15543.32944.07281.77681.77682.48992.4899
H61.09402.15362.62993.51501.77681.77262.49913.0653
H71.09402.15362.62993.51501.77681.77263.06532.4991
H82.15291.10082.07982.33242.48992.49913.06531.7774
H92.15291.10082.07982.33242.48993.06532.49911.7774

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.937 C1 C2 H8 109.998
C1 C2 H9 109.998 C2 C1 H5 110.555
C2 C1 H6 110.449 C2 C1 H7 110.449
C2 O3 H4 109.097 O3 C2 H8 110.620
O3 C2 H9 110.620 H5 C1 H6 108.548
H5 C1 H7 108.548 H6 C1 H7 108.222
H8 C2 H9 107.676
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.495      
2 C -0.144      
3 O -0.525      
4 H 0.351      
5 H 0.165      
6 H 0.182      
7 H 0.182      
8 H 0.142      
9 H 0.142      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.115 1.750 0.000 1.754
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.722 -2.651 0.000
y -2.651 -20.203 0.000
z 0.000 0.000 -20.366
Traceless
 xyz
x 2.562 -2.651 0.000
y -2.651 -1.159 0.000
z 0.000 0.000 -1.403
Polar
3z2-r2-2.806
x2-y22.481
xy-2.651
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.773 -0.077 0.000
y -0.077 4.361 0.000
z 0.000 0.000 4.061


<r2> (average value of r2) Å2
<r2> 54.191
(<r2>)1/2 7.361