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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: B3LYP/6-311G*

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/6-311G*
 hartrees
Energy at 0K-155.074826
Energy at 298.15K-155.081529
HF Energy-155.074826
Nuclear repulsion energy81.737548
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/6-311G*
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' 3790 3663 7.31 114.88 0.32 0.49
2 A' 3104 3000 39.33 66.52 0.75 0.86
3 A' 3039 2936 19.51 129.25 0.01 0.02
4 A' 2971 2871 82.15 124.54 0.12 0.21
5 A' 1546 1494 1.34 3.52 0.68 0.81
6 A' 1519 1468 3.47 20.53 0.75 0.86
7 A' 1474 1424 10.41 4.21 0.47 0.64
8 A' 1417 1369 3.75 0.54 0.68 0.81
9 A' 1289 1245 89.58 4.44 0.75 0.86
10 A' 1111 1074 17.68 5.99 0.59 0.74
11 A' 1040 1005 66.83 3.42 0.19 0.32
12 A' 906 876 11.64 5.36 0.39 0.57
13 A' 419 404 12.52 0.35 0.68 0.81
14 A" 3110 3005 43.66 52.50 0.75 0.86
15 A" 2993 2892 75.23 110.53 0.75 0.86
16 A" 1499 1449 7.34 11.52 0.75 0.86
17 A" 1310 1266 0.03 10.54 0.75 0.86
18 A" 1187 1147 4.64 1.87 0.75 0.86
19 A" 828 800 0.00 0.08 0.75 0.86
20 A" 310 299 122.55 3.79 0.75 0.86
21 A" 257 249 23.68 0.46 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17558.9 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 16967.2 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/6-311G*
ABC
1.16792 0.31307 0.27211

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.172 -0.405 0.000
C2 0.000 0.557 0.000
O3 -1.196 -0.219 0.000
H4 -1.950 0.381 0.000
H5 2.122 0.137 0.000
H6 1.138 -1.046 0.884
H7 1.138 -1.046 -0.884
H8 0.045 1.206 0.887
H9 0.045 1.206 -0.887

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.51622.37533.21891.09351.09261.09262.15702.1570
C21.51621.42591.95772.16272.15562.15561.10011.1001
O32.37531.42590.96303.33682.62952.62952.08732.0873
H43.21891.95770.96304.07863.51453.51452.33362.3336
H51.09352.16273.33684.07861.77431.77432.49872.4987
H61.09262.15562.62953.51451.77431.76862.50303.0666
H71.09262.15562.62953.51451.77431.76863.06662.5030
H82.15701.10012.08732.33362.49872.50303.06661.7747
H92.15701.10012.08732.33362.49873.06662.50301.7747

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.636 C1 C2 H8 110.049
C1 C2 H9 110.049 C2 C1 H5 110.897
C2 C1 H6 110.385 C2 C1 H7 110.385
C2 O3 H4 108.515 O3 C2 H8 110.791
O3 C2 H9 110.791 H5 C1 H6 108.512
H5 C1 H7 108.512 H6 C1 H7 108.069
H8 C2 H9 107.539
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.619      
2 C -0.172      
3 O -0.567      
4 H 0.381      
5 H 0.198      
6 H 0.213      
7 H 0.213      
8 H 0.177      
9 H 0.177      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.071 1.696 0.000 1.697
CHELPG        
AIM        
ESP -0.036 1.662 0.000 1.662


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.646 -2.419 0.000
y -2.419 -20.203 0.000
z 0.000 0.000 -20.245
Traceless
 xyz
x 2.578 -2.419 0.000
y -2.419 -1.257 0.000
z 0.000 0.000 -1.321
Polar
3z2-r2-2.642
x2-y22.557
xy-2.419
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.632 -0.183 0.000
y -0.183 4.134 0.000
z 0.000 0.000 3.757


<r2> (average value of r2) Å2
<r2> 54.304
(<r2>)1/2 7.369