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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: B3PW91/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 B3PW91/cc-pVTZ
 hartrees
Energy at 0K-155.045058
Energy at 298.15K-155.051707
Nuclear repulsion energy81.974006
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/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' 3860 3712 26.41      
2 A' 3119 2999 25.98      
3 A' 3043 2926 15.66      
4 A' 2977 2863 69.51      
5 A' 1523 1465 1.50      
6 A' 1494 1437 2.59      
7 A' 1454 1399 10.97      
8 A' 1396 1343 3.01      
9 A' 1272 1223 72.34      
10 A' 1119 1076 37.31      
11 A' 1040 1000 51.34      
12 A' 907 872 10.12      
13 A' 416 400 10.77      
14 A" 3121 3001 29.42      
15 A" 3003 2888 54.34      
16 A" 1476 1419 6.07      
17 A" 1299 1249 0.01      
18 A" 1177 1132 3.95      
19 A" 818 787 0.23      
20 A" 280 270 80.54      
21 A" 241 232 35.72      

Unscaled Zero Point Vibrational Energy (zpe) 17518.1 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 16845.4 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/cc-pVTZ
ABC
1.18304 0.31369 0.27329

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.170 -0.406 0.000
C2 0.000 0.550 0.000
O3 -1.196 -0.214 0.000
H4 -1.942 0.389 0.000
H5 2.113 0.143 0.000
H6 1.141 -1.045 0.884
H7 1.141 -1.045 -0.884
H8 0.048 1.199 0.885
H9 0.048 1.199 -0.885

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.51062.37353.21191.09151.09101.09102.14862.1486
C21.51061.41911.94902.15212.15112.15111.09831.0983
O32.37351.41910.95943.32842.63342.63342.07982.0798
H43.21191.94900.95944.06303.51373.51372.32362.3236
H51.09152.15213.32844.06301.77111.77112.48272.4827
H61.09102.15112.63343.51371.77111.76762.49593.0591
H71.09102.15112.63343.51371.77111.76763.05912.4959
H82.14861.09832.07982.32362.48272.49593.05911.7698
H92.14861.09832.07982.32362.48273.05912.49591.7698

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 108.181 C1 C2 H8 109.883
C1 C2 H9 109.883 C2 C1 H5 110.558
C2 C1 H6 110.516 C2 C1 H7 110.516
C2 O3 H4 108.503 O3 C2 H8 110.771
O3 C2 H9 110.771 H5 C1 H6 108.482
H5 C1 H7 108.482 H6 C1 H7 108.213
H8 C2 H9 107.355
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.262      
2 C 0.047      
3 O -0.335      
4 H 0.191      
5 H 0.080      
6 H 0.094      
7 H 0.094      
8 H 0.046      
9 H 0.046      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.018 1.513 0.000 1.513
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


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


<r2> (average value of r2) Å2
<r2> 54.003
(<r2>)1/2 7.349