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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: B3LYP/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/6-31G
 hartrees
Energy at 0K-154.990177
Energy at 298.15K-154.996846
HF Energy-154.990177
Nuclear repulsion energy80.962471
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/6-31G
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' 3636 3498 2.16 140.92 0.31 0.48
2 A' 3134 3015 32.21 60.75 0.75 0.85
3 A' 3056 2940 16.32 121.89 0.01 0.02
4 A' 2997 2883 63.61 110.66 0.14 0.24
5 A' 1570 1510 1.39 5.24 0.65 0.79
6 A' 1547 1488 6.06 31.21 0.75 0.86
7 A' 1468 1413 16.72 7.03 0.70 0.83
8 A' 1453 1398 0.39 0.98 0.31 0.47
9 A' 1274 1226 64.32 10.42 0.72 0.83
10 A' 1110 1068 3.75 6.53 0.46 0.63
11 A' 1031 992 68.66 2.76 0.28 0.43
12 A' 893 859 24.22 7.31 0.37 0.54
13 A' 414 398 15.18 0.40 0.70 0.83
14 A" 3145 3026 36.58 46.31 0.75 0.86
15 A" 3031 2915 71.70 95.45 0.75 0.86
16 A" 1529 1471 6.10 20.30 0.75 0.86
17 A" 1314 1264 0.70 16.37 0.75 0.86
18 A" 1187 1142 4.54 6.79 0.75 0.86
19 A" 850 818 0.45 0.00 0.75 0.86
20 A" 303 291 137.17 7.52 0.75 0.86
21 A" 241 232 35.10 1.18 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17590.8 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 16922.4 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/6-31G
ABC
1.13857 0.30840 0.26711

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.187 -0.378 0.000
C2 0.000 0.571 0.000
O3 -1.203 -0.255 0.000
H4 -2.002 0.309 0.000
H5 2.129 0.182 0.000
H6 1.160 -1.019 0.886
H7 1.160 -1.019 -0.886
H8 0.025 1.219 0.889
H9 0.025 1.219 -0.889

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.51982.39333.26231.09591.09441.09442.16592.1659
C21.51981.45912.01892.16452.15842.15841.10071.1007
O32.39331.45910.97813.36072.63652.63652.11472.1147
H43.26232.01890.97814.13313.54193.54192.39342.3934
H51.09592.16453.36074.13311.78021.78022.50852.5085
H61.09442.15842.63653.54191.78021.77292.50923.0740
H71.09442.15842.63653.54191.78021.77293.07402.5092
H82.16591.10072.11472.39342.50852.50923.07401.7787
H92.16591.10072.11472.39342.50853.07402.50921.7787

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 106.897 C1 C2 H8 110.460
C1 C2 H9 110.460 C2 C1 H5 110.643
C2 C1 H6 110.247 C2 C1 H7 110.247
C2 O3 H4 110.307 O3 C2 H8 110.626
O3 C2 H9 110.626 H5 C1 H6 108.727
H5 C1 H7 108.727 H6 C1 H7 108.187
H8 C2 H9 107.795
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.394      
2 C -0.025      
3 O -0.611      
4 H 0.354      
5 H 0.127      
6 H 0.153      
7 H 0.153      
8 H 0.122      
9 H 0.122      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.050 1.881 0.000 1.882
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.090 -2.645 0.000
y -2.645 -20.051 0.000
z 0.000 0.000 -20.025
Traceless
 xyz
x 2.948 -2.645 0.000
y -2.645 -1.494 0.000
z 0.000 0.000 -1.454
Polar
3z2-r2-2.908
x2-y22.961
xy-2.645
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.420 -0.083 0.000
y -0.083 3.751 0.000
z 0.000 0.000 3.366


<r2> (average value of r2) Å2
<r2> 54.830
(<r2>)1/2 7.405