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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: MP4/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 MP4/cc-pVTZ
 hartrees
Energy at 0K-154.796604
Energy at 298.15K-154.803251
Nuclear repulsion energy81.813027
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 MP4/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' 3843 3725        
2 A' 3130 3033        
3 A' 3047 2954        
4 A' 3002 2909        
5 A' 1536 1489        
6 A' 1508 1461        
7 A' 1464 1419        
8 A' 1401 1357        
9 A' 1280 1241        
10 A' 1115 1081        
11 A' 1048 1016        
12 A' 906 878        
13 A' 412 399        
14 A" 3135 3038        
15 A" 3038 2944        
16 A" 1490 1444        
17 A" 1304 1264        
18 A" 1184 1148        
19 A" 818 793        
20 A" 283 274        
21 A" 237 230        

Unscaled Zero Point Vibrational Energy (zpe) 17589.2 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 17047.4 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 MP4/cc-pVTZ
ABC
1.16682 0.31389 0.27265

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.171 -0.404 0.000
C2 0.000 0.558 0.000
O3 -1.195 -0.222 0.000
H4 -1.939 0.386 0.000
H5 2.116 0.143 0.000
H6 1.136 -1.040 0.885
H7 1.136 -1.040 -0.885
H8 0.044 1.202 0.886
H9 0.044 1.202 -0.886

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.51552.37363.20921.09171.09081.09082.15302.1530
C21.51551.42781.94692.15652.15162.15161.09661.0966
O32.37361.42780.96133.33172.62452.62452.08632.0863
H43.20921.94690.96134.06273.50383.50382.32062.3206
H51.09172.15653.33174.06271.77321.77322.49022.4902
H61.09082.15162.62453.50381.77321.77012.49453.0594
H71.09082.15162.62453.50381.77321.77013.05942.4945
H82.15301.09662.08632.32062.49022.49453.05941.7725
H92.15301.09662.08632.32062.49023.05942.49451.7725

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.458 C1 C2 H8 109.987
C1 C2 H9 109.987 C2 C1 H5 110.554
C2 C1 H6 110.216 C2 C1 H7 110.216
C2 O3 H4 107.548 O3 C2 H8 110.790
O3 C2 H9 110.790 H5 C1 H6 108.671
H5 C1 H7 108.671 H6 C1 H7 108.458
H8 C2 H9 107.840
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability