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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: TPSSh/STO-3G

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/STO-3G
 hartrees
Energy at 0K-153.069678
Energy at 298.15K-153.076150
HF Energy-153.069678
Nuclear repulsion energy79.659508
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/STO-3G
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' 3652 3652 49.87 53.79 0.30 0.46
2 A' 3491 3491 1.35 29.19 0.75 0.86
3 A' 3323 3323 0.91 40.52 0.01 0.03
4 A' 3229 3229 17.80 42.74 0.13 0.23
5 A' 1703 1703 0.41 0.88 0.75 0.85
6 A' 1682 1682 4.12 27.08 0.75 0.86
7 A' 1615 1615 7.41 7.41 0.70 0.82
8 A' 1559 1559 0.71 2.69 0.73 0.84
9 A' 1412 1412 34.38 9.29 0.75 0.86
10 A' 1193 1193 2.35 4.84 0.44 0.61
11 A' 1097 1097 9.57 3.62 0.32 0.49
12 A' 963 963 0.44 6.22 0.31 0.47
13 A' 393 393 5.51 0.38 0.68 0.81
14 A" 3494 3494 1.81 23.26 0.75 0.86
15 A" 3324 3324 23.45 35.53 0.75 0.86
16 A" 1683 1683 1.74 16.67 0.75 0.86
17 A" 1370 1370 0.12 13.33 0.75 0.86
18 A" 1208 1208 5.76 4.61 0.75 0.86
19 A" 867 867 0.49 0.01 0.75 0.86
20 A" 339 339 61.00 8.47 0.75 0.86
21 A" 202 202 2.31 0.10 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18898.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18898.6 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/STO-3G
ABC
1.11072 0.29744 0.25785

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.203 -0.419 0.000
C2 0.000 0.568 0.000
O3 -1.237 -0.235 0.000
H4 -1.950 0.511 0.000
H5 2.152 0.141 0.000
H6 1.171 -1.061 0.894
H7 1.171 -1.061 -0.894
H8 0.066 1.228 0.898
H9 0.066 1.228 -0.898

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.55602.44663.28731.10181.10141.10142.19402.1940
C21.55601.47441.95072.19382.19642.19641.11671.1167
O32.44661.47441.03233.40932.69792.69792.15492.1549
H43.28731.95071.03234.11853.60723.60722.32012.3201
H51.10182.19383.40934.11851.79091.79092.51822.5182
H61.10142.19642.69793.60721.79091.78862.54223.1106
H71.10142.19642.69793.60721.79091.78863.11062.5422
H82.19401.11672.15492.32012.51822.54223.11061.7962
H92.19401.11672.15492.32012.51823.11062.54221.7962

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.643 C1 C2 H8 109.248
C1 C2 H9 109.248 C2 C1 H5 110.086
C2 C1 H6 110.316 C2 C1 H7 110.316
C2 O3 H4 100.716 O3 C2 H8 111.796
O3 C2 H9 111.796 H5 C1 H6 108.749
H5 C1 H7 108.749 H6 C1 H7 108.578
H8 C2 H9 107.076
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.205      
2 C -0.040      
3 O -0.236      
4 H 0.155      
5 H 0.069      
6 H 0.073      
7 H 0.073      
8 H 0.054      
9 H 0.054      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.105 1.262 0.000 1.267
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 2.643 -0.144 0.000
y -0.144 2.004 0.000
z 0.000 0.000 1.667


<r2> (average value of r2) Å2
<r2> 55.466
(<r2>)1/2 7.448