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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: TPSSh/TZVP

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/TZVP
 hartrees
Energy at 0K-155.103333
Energy at 298.15K-155.109971
HF Energy-155.103333
Nuclear repulsion energy81.617112
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/TZVP
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' 3793 3655 17.09 118.20 0.28 0.43
2 A' 3106 2993 33.10 62.12 0.75 0.86
3 A' 3037 2927 17.62 156.75 0.01 0.01
4 A' 2976 2868 73.55 137.91 0.10 0.18
5 A' 1537 1482 1.46 3.23 0.64 0.78
6 A' 1513 1458 2.90 17.99 0.75 0.86
7 A' 1454 1401 14.53 4.46 0.55 0.71
8 A' 1411 1360 0.63 0.25 0.56 0.72
9 A' 1267 1221 66.27 4.03 0.73 0.85
10 A' 1095 1056 18.49 6.66 0.53 0.70
11 A' 1029 991 68.36 4.30 0.20 0.33
12 A' 894 862 16.70 5.70 0.37 0.54
13 A' 406 391 11.95 0.41 0.68 0.81
14 A" 3114 3001 36.67 47.12 0.75 0.86
15 A" 3002 2894 61.67 108.32 0.75 0.86
16 A" 1495 1441 5.17 10.80 0.75 0.86
17 A" 1300 1253 0.20 12.16 0.75 0.86
18 A" 1179 1137 3.59 1.80 0.75 0.86
19 A" 816 787 0.01 0.13 0.75 0.86
20 A" 285 275 76.63 2.43 0.75 0.86
21 A" 243 234 55.75 0.73 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17475.9 cm-1
Scaled (by 0.9637) Zero Point Vibrational Energy (zpe) 16841.5 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 TPSSh/TZVP
ABC
1.16758 0.31159 0.27105

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.176 -0.399 0.000
C2 0.000 0.557 0.000
O3 -1.200 -0.226 0.000
H4 -1.954 0.376 0.000
H5 2.117 0.158 0.000
H6 1.150 -1.037 0.886
H7 1.150 -1.037 -0.886
H8 0.039 1.202 0.888
H9 0.039 1.202 -0.888

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.51562.38193.22461.09341.09221.09222.15582.1558
C21.51561.43251.96242.15432.15592.15591.09881.0988
O32.38191.43250.96513.33872.63872.63872.08892.0889
H43.22461.96240.96514.07693.52353.52352.33322.3332
H51.09342.15433.33874.07691.77431.77432.48982.4898
H61.09222.15592.63873.52351.77431.77212.50003.0656
H71.09222.15592.63873.52351.77431.77213.06562.5000
H82.15581.09882.08892.33322.48982.50003.06561.7766
H92.15581.09882.08892.33322.48983.06562.50001.7766

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.763 C1 C2 H8 110.069
C1 C2 H9 110.069 C2 C1 H5 110.276
C2 C1 H6 110.475 C2 C1 H7 110.475
C2 O3 H4 108.287 O3 C2 H8 110.532
O3 C2 H9 110.532 H5 C1 H6 108.553
H5 C1 H7 108.553 H6 C1 H7 108.446
H8 C2 H9 107.885
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.280      
2 C -0.064      
3 O -0.398      
4 H 0.263      
5 H 0.095      
6 H 0.108      
7 H 0.108      
8 H 0.084      
9 H 0.084      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.082 1.687 0.000 1.689
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 4.955 -0.136 0.000
y -0.136 4.425 0.000
z 0.000 0.000 4.108


<r2> (average value of r2) Å2
<r2> 54.423
(<r2>)1/2 7.377