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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: B3PW91/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G(2df,p)
 hartrees
Energy at 0K-154.995706
Energy at 298.15K-155.002350
HF Energy-154.995706
Nuclear repulsion energy81.921550
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 B3PW91/6-31G(2df,p)
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' 3869 3720 20.98 98.16 0.29 0.45
2 A' 3137 3016 24.03 57.87 0.75 0.85
3 A' 3052 2934 14.71 109.64 0.01 0.01
4 A' 2971 2856 69.01 108.87 0.11 0.19
5 A' 1525 1466 2.19 3.63 0.62 0.77
6 A' 1495 1438 2.17 20.50 0.75 0.85
7 A' 1460 1404 12.84 3.33 0.63 0.77
8 A' 1391 1337 1.79 0.97 0.70 0.82
9 A' 1278 1228 77.35 4.78 0.75 0.86
10 A' 1132 1088 37.45 4.85 0.56 0.72
11 A' 1040 1000 42.32 3.70 0.13 0.22
12 A' 910 875 8.36 5.08 0.34 0.51
13 A' 413 397 10.25 0.26 0.69 0.82
14 A" 3138 3017 26.56 46.82 0.75 0.86
15 A" 3000 2884 64.89 87.22 0.75 0.86
16 A" 1477 1420 4.54 13.96 0.75 0.86
17 A" 1295 1245 0.02 11.06 0.75 0.86
18 A" 1180 1135 4.59 1.90 0.75 0.86
19 A" 814 783 0.13 0.08 0.75 0.86
20 A" 287 276 84.71 2.85 0.75 0.86
21 A" 241 232 29.95 0.60 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17552.5 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 16875.0 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 B3PW91/6-31G(2df,p)
ABC
1.17719 0.31392 0.27326

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.167 -0.416 0.000
C2 0.000 0.551 0.000
O3 -1.196 -0.205 0.000
H4 -1.934 0.408 0.000
H5 2.118 0.126 0.000
H6 1.132 -1.057 0.886
H7 1.132 -1.057 -0.886
H8 0.058 1.204 0.886
H9 0.058 1.204 -0.886

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.51572.37233.20901.09411.09391.09392.15452.1545
C21.51571.41471.93942.15982.15652.15651.10261.1026
O32.37231.41470.95973.32982.63192.63192.08412.0841
H43.20901.93940.95974.06153.51143.51142.32122.3212
H51.09412.15983.32984.06151.77661.77662.48812.4881
H61.09392.15652.63193.51141.77661.77152.50343.0670
H71.09392.15652.63193.51141.77661.77153.06702.5034
H82.15451.10262.08412.32122.48812.50343.06701.7725
H92.15451.10262.08412.32122.48813.06702.50341.7725

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 108.056 C1 C2 H8 109.735
C1 C2 H9 109.735 C2 C1 H5 110.657
C2 C1 H6 110.412 C2 C1 H7 110.412
C2 O3 H4 108.003 O3 C2 H8 111.164
O3 C2 H9 111.164 H5 C1 H6 108.575
H5 C1 H7 108.575 H6 C1 H7 108.137
H8 C2 H9 106.983
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.427      
2 C -0.081      
3 O -0.441      
4 H 0.302      
5 H 0.135      
6 H 0.149      
7 H 0.149      
8 H 0.107      
9 H 0.107      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.024 1.423 0.000 1.423
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.284 -2.249 0.000
y -2.249 -19.455 0.000
z 0.000 0.000 -19.682
Traceless
 xyz
x 2.285 -2.249 0.000
y -2.249 -0.972 0.000
z 0.000 0.000 -1.312
Polar
3z2-r2-2.625
x2-y22.171
xy-2.249
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.578 -0.166 0.000
y -0.166 4.058 0.000
z 0.000 0.000 3.760


<r2> (average value of r2) Å2
<r2> 53.806
(<r2>)1/2 7.335