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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: BLYP/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 BLYP/6-31G**
 hartrees
Energy at 0K-154.971597
Energy at 298.15K-154.978185
HF Energy-154.971597
Nuclear repulsion energy80.958437
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 BLYP/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' 3661 3632 3.53 125.19 0.30 0.46
2 A' 3048 3024 31.56 61.89 0.75 0.86
3 A' 2977 2954 16.74 114.31 0.01 0.01
4 A' 2885 2863 77.14 114.83 0.11 0.20
5 A' 1507 1495 2.80 3.60 0.59 0.74
6 A' 1480 1469 3.04 29.14 0.74 0.85
7 A' 1425 1414 15.77 5.89 0.72 0.84
8 A' 1376 1366 0.10 1.57 0.59 0.74
9 A' 1247 1238 73.31 8.32 0.75 0.86
10 A' 1075 1067 15.83 5.37 0.47 0.64
11 A' 994 986 60.74 2.94 0.18 0.31
12 A' 873 866 13.94 5.42 0.41 0.58
13 A' 404 401 10.42 0.30 0.73 0.84
14 A" 3052 3028 35.03 50.79 0.75 0.86
15 A" 2906 2883 81.12 93.95 0.75 0.86
16 A" 1462 1451 3.69 17.48 0.75 0.86
17 A" 1263 1253 0.19 15.05 0.75 0.86
18 A" 1153 1144 3.75 4.07 0.75 0.86
19 A" 805 799 0.05 0.09 0.75 0.86
20 A" 287 285 76.68 4.67 0.75 0.86
21 A" 241 239 40.06 1.68 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17059.1 cm-1
Scaled (by 0.9923) Zero Point Vibrational Energy (zpe) 16927.7 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 BLYP/6-31G**
ABC
1.14539 0.30724 0.26687

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.182 -0.410 0.000
C2 0.000 0.561 0.000
O3 -1.210 -0.222 0.000
H4 -1.959 0.405 0.000
H5 2.136 0.141 0.000
H6 1.150 -1.055 0.892
H7 1.150 -1.055 -0.892
H8 0.053 1.219 0.893
H9 0.053 1.219 -0.893

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.53002.39933.24481.10161.10091.10092.17392.1739
C21.53001.44111.96482.17702.17492.17491.11041.1104
O32.39931.44110.97653.36552.65682.65682.11402.1140
H43.24481.96480.97654.10323.54843.54842.34692.3469
H51.10162.17703.36554.10321.78821.78822.50952.5095
H61.10092.17492.65683.54841.78821.78332.52493.0918
H71.10092.17492.65683.54841.78821.78333.09182.5249
H82.17391.11042.11402.34692.50952.52493.09181.7857
H92.17391.11042.11402.34692.50953.09182.52491.7857

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.683 C1 C2 H8 109.819
C1 C2 H9 109.819 C2 C1 H5 110.583
C2 C1 H6 110.453 C2 C1 H7 110.453
C2 O3 H4 107.160 O3 C2 H8 111.240
O3 C2 H9 111.240 H5 C1 H6 108.553
H5 C1 H7 108.553 H6 C1 H7 108.173
H8 C2 H9 107.046
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.282      
2 C 0.063      
3 O -0.501      
4 H 0.289      
5 H 0.087      
6 H 0.105      
7 H 0.105      
8 H 0.067      
9 H 0.067      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.025 1.460 0.000 1.460
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.443 -2.317 0.000
y -2.317 -19.794 0.000
z 0.000 0.000 -20.035
Traceless
 xyz
x 2.472 -2.317 0.000
y -2.317 -1.055 0.000
z 0.000 0.000 -1.417
Polar
3z2-r2-2.834
x2-y22.351
xy-2.317
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.640 -0.163 0.000
y -0.163 4.029 0.000
z 0.000 0.000 3.659


<r2> (average value of r2) Å2
<r2> 54.927
(<r2>)1/2 7.411