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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: HF/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 HF/6-31G(2df,p)
 hartrees
Energy at 0K-154.099648
Energy at 298.15K-154.106465
HF Energy-154.099648
Nuclear repulsion energy82.492746
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 HF/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' 4187 3792 46.02 81.84 0.29 0.45
2 A' 3244 2937 44.51 58.69 0.75 0.86
3 A' 3175 2875 19.14 125.53 0.02 0.03
4 A' 3131 2835 73.93 89.70 0.15 0.26
5 A' 1656 1500 2.47 4.11 0.73 0.84
6 A' 1619 1466 3.25 14.65 0.75 0.85
7 A' 1593 1443 14.70 5.06 0.54 0.70
8 A' 1523 1379 0.40 0.42 0.75 0.86
9 A' 1383 1252 109.73 2.85 0.63 0.77
10 A' 1213 1098 30.43 6.41 0.62 0.77
11 A' 1120 1014 52.70 3.67 0.22 0.37
12 A' 967 876 5.45 8.83 0.26 0.41
13 A' 444 402 10.79 0.29 0.58 0.73
14 A" 3253 2945 49.04 42.91 0.75 0.86
15 A" 3157 2858 72.14 89.11 0.75 0.86
16 A" 1600 1449 3.04 13.15 0.75 0.86
17 A" 1410 1277 0.17 9.86 0.75 0.86
18 A" 1287 1166 6.04 1.25 0.75 0.86
19 A" 874 792 0.05 0.03 0.75 0.86
20 A" 306 277 99.92 2.22 0.75 0.86
21 A" 264 239 31.03 0.31 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18703.3 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 16935.9 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 HF/6-31G(2df,p)
ABC
1.19923 0.31630 0.27578

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.163 -0.423 0.000
C2 0.000 0.549 0.000
O3 -1.190 -0.191 0.000
H4 -1.926 0.393 0.000
H5 2.108 0.113 0.000
H6 1.124 -1.058 0.879
H7 1.124 -1.058 -0.879
H8 0.053 1.192 0.878
H9 0.053 1.192 -0.878

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.51592.36433.19501.08591.08491.08492.14772.1477
C21.51591.40081.93192.15212.14902.14901.09001.0900
O32.36431.40080.93963.31112.62292.62292.05642.0564
H43.19501.93190.93964.04293.49023.49022.30792.3079
H51.08592.15213.31114.04291.76351.76352.48102.4810
H61.08492.14902.62293.49021.76351.75852.49173.0492
H71.08492.14902.62293.49021.76351.75853.04922.4917
H82.14771.09002.05642.30792.48102.49173.04921.7566
H92.14771.09002.05642.30792.48103.04922.49171.7566

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 108.247 C1 C2 H8 109.927
C1 C2 H9 109.927 C2 C1 H5 110.525
C2 C1 H6 110.337 C2 C1 H7 110.337
C2 O3 H4 109.698 O3 C2 H8 110.684
O3 C2 H9 110.684 H5 C1 H6 108.655
H5 C1 H7 108.655 H6 C1 H7 108.270
H8 C2 H9 107.375
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.404      
2 C 0.017      
3 O -0.563      
4 H 0.327      
5 H 0.128      
6 H 0.144      
7 H 0.144      
8 H 0.104      
9 H 0.104      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.033 1.570 0.000 1.570
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.545 -2.336 0.000
y -2.336 -19.625 0.000
z 0.000 0.000 -19.861
Traceless
 xyz
x 2.198 -2.336 0.000
y -2.336 -0.922 0.000
z 0.000 0.000 -1.276
Polar
3z2-r2-2.552
x2-y22.080
xy-2.336
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.262 -0.137 0.000
y -0.137 3.829 0.000
z 0.000 0.000 3.608


<r2> (average value of r2) Å2
<r2> 53.508
(<r2>)1/2 7.315