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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: TPSSh/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 TPSSh/6-31G
 hartrees
Energy at 0K-154.994203
Energy at 298.15K-155.000849
HF Energy-154.994203
Nuclear repulsion energy80.891639
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 TPSSh/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' 3601 3465 1.63 145.42 0.31 0.48
2 A' 3138 3019 35.84 64.31 0.74 0.85
3 A' 3057 2942 18.74 132.29 0.01 0.02
4 A' 3000 2886 67.59 117.01 0.14 0.24
5 A' 1574 1515 0.86 3.68 0.58 0.74
6 A' 1556 1497 6.16 32.46 0.75 0.86
7 A' 1468 1412 14.99 6.54 0.72 0.84
8 A' 1451 1396 0.86 1.69 0.32 0.48
9 A' 1274 1226 59.40 10.39 0.72 0.84
10 A' 1104 1062 2.50 6.72 0.46 0.63
11 A' 1028 989 64.43 3.18 0.28 0.43
12 A' 888 854 26.23 7.30 0.37 0.54
13 A' 403 388 14.97 0.38 0.70 0.82
14 A" 3151 3031 40.74 48.10 0.75 0.86
15 A" 3037 2921 75.92 102.77 0.75 0.86
16 A" 1539 1480 5.74 20.33 0.75 0.86
17 A" 1313 1264 0.90 15.98 0.75 0.86
18 A" 1182 1137 3.75 7.49 0.75 0.86
19 A" 844 812 0.37 0.00 0.75 0.86
20 A" 302 291 138.36 7.81 0.75 0.86
21 A" 236 227 30.38 1.05 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17571.6 cm-1
Scaled (by 0.9621) Zero Point Vibrational Energy (zpe) 16905.7 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 TPSSh/6-31G
ABC
1.12922 0.30896 0.26706

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.188 -0.375 0.000
C2 0.000 0.575 0.000
O3 -1.201 -0.263 0.000
H4 -2.001 0.305 0.000
H5 2.129 0.185 0.000
H6 1.157 -1.015 0.887
H7 1.157 -1.015 -0.887
H8 0.020 1.221 0.890
H9 0.020 1.221 -0.890

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.52102.39113.26061.09551.09391.09392.16832.1683
C21.52101.46462.01962.16462.15742.15741.09981.0998
O32.39111.46460.98133.36012.62942.62942.11782.1178
H43.26062.01960.98134.13233.53643.53642.39132.3913
H51.09552.16463.36014.13231.78041.78042.51262.5126
H61.09392.15742.62943.53641.78041.77352.50813.0739
H71.09392.15742.62943.53641.78041.77353.07392.5081
H82.16831.09982.11782.39132.51262.50813.07391.7809
H92.16831.09982.11782.39132.51263.07392.50811.7809

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 106.415 C1 C2 H8 110.626
C1 C2 H9 110.626 C2 C1 H5 110.590
C2 C1 H6 110.118 C2 C1 H7 110.118
C2 O3 H4 109.737 O3 C2 H8 110.539
O3 C2 H9 110.539 H5 C1 H6 108.820
H5 C1 H7 108.820 H6 C1 H7 108.322
H8 C2 H9 108.114
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.438      
2 C -0.066      
3 O -0.616      
4 H 0.359      
5 H 0.143      
6 H 0.168      
7 H 0.168      
8 H 0.141      
9 H 0.141      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.068 1.891 0.000 1.892
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 4.477 -0.083 0.000
y -0.083 3.803 0.000
z 0.000 0.000 3.393


<r2> (average value of r2) Å2
<r2> 54.798
(<r2>)1/2 7.403