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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: HF/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-154.146527
Energy at 298.15K-154.153340
HF Energy-154.146527
Nuclear repulsion energy82.493272
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/aug-cc-pVTZ
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' 4171 3797 56.84 84.35 0.22 0.36
2 A' 3224 2935 48.23 52.22 0.75 0.86
3 A' 3164 2880 20.68 204.21 0.01 0.01
4 A' 3133 2852 73.74 104.42 0.11 0.19
5 A' 1652 1504 1.90 2.61 0.75 0.85
6 A' 1616 1472 2.62 5.03 0.74 0.85
7 A' 1583 1441 14.28 2.58 0.33 0.50
8 A' 1523 1387 0.31 0.01 0.62 0.77
9 A' 1371 1248 100.49 0.77 0.51 0.68
10 A' 1199 1092 35.37 6.09 0.58 0.74
11 A' 1119 1019 61.49 4.32 0.19 0.32
12 A' 964 878 7.30 9.20 0.17 0.29
13 A' 447 407 11.27 0.35 0.50 0.66
14 A" 3234 2944 54.73 34.05 0.75 0.86
15 A" 3154 2871 53.50 92.46 0.75 0.86
16 A" 1598 1455 4.78 4.33 0.75 0.86
17 A" 1411 1285 0.21 3.58 0.75 0.86
18 A" 1284 1169 4.78 0.24 0.75 0.86
19 A" 877 798 0.00 0.05 0.75 0.86
20 A" 298 271 80.80 0.86 0.75 0.86
21 A" 260 237 50.32 0.27 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18640.7 cm-1
Scaled (by 0.9104) Zero Point Vibrational Energy (zpe) 16970.5 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/aug-cc-pVTZ
ABC
1.20525 0.31541 0.27535

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.167 -0.415 0.000
C2 0.000 0.547 0.000
O3 -1.191 -0.197 0.000
H4 -1.935 0.376 0.000
H5 2.104 0.129 0.000
H6 1.136 -1.049 0.878
H7 1.136 -1.049 -0.878
H8 0.045 1.187 0.878
H9 0.045 1.187 -0.878

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.51252.36803.20141.08411.08291.08292.14382.1438
C21.51251.40471.94292.14532.14652.14651.08691.0869
O32.36801.40470.93943.31152.62872.62872.05262.0526
H43.20141.94290.93944.04713.49743.49742.31262.3126
H51.08412.14533.31154.04711.75951.75952.47592.4759
H61.08292.14652.62873.49741.75951.75562.48753.0445
H71.08292.14652.62873.49741.75951.75563.04452.4875
H82.14381.08692.05262.31262.47592.48753.04451.7552
H92.14381.08692.05262.31262.47593.04452.48751.7552

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 108.474 C1 C2 H8 110.044
C1 C2 H9 110.044 C2 C1 H5 110.329
C2 C1 H6 110.494 C2 C1 H7 110.494
C2 O3 H4 110.385 O3 C2 H8 110.293
O3 C2 H9 110.293 H5 C1 H6 108.575
H5 C1 H7 108.575 H6 C1 H7 108.308
H8 C2 H9 107.694
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.937      
2 C -0.142      
3 O -0.522      
4 H 0.126      
5 H 0.308      
6 H 0.298      
7 H 0.298      
8 H 0.285      
9 H 0.285      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.123 1.644 0.000 1.649
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.887 -2.468 0.000
y -2.468 -20.010 0.000
z 0.000 0.000 -20.107
Traceless
 xyz
x 2.172 -2.468 0.000
y -2.468 -1.013 0.000
z 0.000 0.000 -1.159
Polar
3z2-r2-2.317
x2-y22.123
xy-2.468
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.954 -0.127 0.000
y -0.127 4.487 0.000
z 0.000 0.000 4.178


<r2> (average value of r2) Å2
<r2> 53.751
(<r2>)1/2 7.331