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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: mPW1PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31G*
 hartrees
Energy at 0K-154.993008
Energy at 298.15K-154.999708
HF Energy-154.993008
Nuclear repulsion energy81.981514
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 mPW1PW91/6-31G*
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' 3828 3630 16.82 107.39 0.31 0.47
2 A' 3168 3004 26.87 60.98 0.75 0.86
3 A' 3086 2926 14.71 111.54 0.01 0.02
4 A' 3012 2856 73.12 110.36 0.12 0.21
5 A' 1566 1485 2.50 4.90 0.63 0.77
6 A' 1536 1456 3.30 25.22 0.75 0.86
7 A' 1491 1414 15.43 5.42 0.62 0.77
8 A' 1428 1354 1.73 1.03 0.67 0.80
9 A' 1301 1234 93.31 6.09 0.74 0.85
10 A' 1150 1091 33.92 5.75 0.61 0.76
11 A' 1061 1006 44.91 3.08 0.15 0.26
12 A' 928 880 7.80 5.49 0.41 0.58
13 A' 420 398 11.87 0.27 0.67 0.80
14 A" 3172 3008 29.03 49.97 0.75 0.86
15 A" 3041 2884 74.44 92.35 0.75 0.86
16 A" 1517 1438 5.58 17.12 0.75 0.86
17 A" 1319 1251 0.10 14.50 0.75 0.86
18 A" 1201 1139 5.38 2.66 0.75 0.86
19 A" 831 788 0.07 0.06 0.75 0.86
20 A" 306 290 108.38 4.02 0.75 0.86
21 A" 254 241 29.15 0.62 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17806.7 cm-1
Scaled (by 0.9483) Zero Point Vibrational Energy (zpe) 16886.1 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 mPW1PW91/6-31G*
ABC
1.17585 0.31518 0.27412

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.166 -0.413 0.000
C2 0.000 0.552 0.000
O3 -1.192 -0.209 0.000
H4 -1.937 0.404 0.000
H5 2.116 0.128 0.000
H6 1.128 -1.053 0.885
H7 1.128 -1.053 -0.885
H8 0.054 1.204 0.886
H9 0.054 1.204 -0.886

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.51322.36683.20821.09381.09321.09322.15232.1523
C21.51321.41481.94252.15842.15242.15241.10111.1011
O32.36681.41480.96453.32592.62312.62312.08232.0823
H43.20821.94250.96454.06263.50733.50732.32162.3216
H51.09382.15843.32594.06261.77631.77632.48862.4886
H61.09322.15242.62313.50731.77631.77072.49903.0631
H71.09322.15242.62313.50731.77631.77073.06312.4990
H82.15231.10112.08232.32162.48862.49903.06311.7721
H92.15231.10112.08232.32162.48863.06312.49901.7721

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.822 C1 C2 H8 109.828
C1 C2 H9 109.828 C2 C1 H5 110.748
C2 C1 H6 110.307 C2 C1 H7 110.307
C2 O3 H4 107.962 O3 C2 H8 111.104
O3 C2 H9 111.104 H5 C1 H6 108.622
H5 C1 H7 108.622 H6 C1 H7 108.166
H8 C2 H9 107.159
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.522      
2 C -0.080      
3 O -0.629      
4 H 0.407      
5 H 0.167      
6 H 0.185      
7 H 0.185      
8 H 0.144      
9 H 0.144      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.021 1.589 0.000 1.589
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.174 -2.435 0.000
y -2.435 -19.566 0.000
z 0.000 0.000 -19.817
Traceless
 xyz
x 2.517 -2.435 0.000
y -2.435 -1.071 0.000
z 0.000 0.000 -1.447
Polar
3z2-r2-2.893
x2-y22.392
xy-2.435
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.289 -0.135 0.000
y -0.135 3.823 0.000
z 0.000 0.000 3.515


<r2> (average value of r2) Å2
<r2> 53.717
(<r2>)1/2 7.329