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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: MP3/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3/6-31+G**
 hartrees
Energy at 0K-154.597171
Energy at 298.15K-154.603924
HF Energy-154.089455
Nuclear repulsion energy81.981644
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 MP3/6-31+G**
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' 3957 3682 17.96      
2 A' 3234 3009 27.77      
3 A' 3146 2928 13.64      
4 A' 3089 2875 62.14      
5 A' 1602 1491 2.75      
6 A' 1567 1458 2.43      
7 A' 1524 1418 15.81      
8 A' 1460 1359 0.10      
9 A' 1320 1228 90.59      
10 A' 1162 1081 23.88      
11 A' 1084 1008 45.67      
12 A' 942 876 9.05      
13 A' 426 397 11.42      
14 A" 3242 3017 29.51      
15 A" 3127 2909 66.29      
16 A" 1551 1443 3.34      
17 A" 1344 1250 0.01      
18 A" 1229 1144 5.31      
19 A" 844 786 0.10      
20 A" 306 285 103.65      
21 A" 262 244 32.11      

Unscaled Zero Point Vibrational Energy (zpe) 18208.9 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 16943.4 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 MP3/6-31+G**
ABC
1.17266 0.31499 0.27359

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.167 -0.410 0.000
C2 0.000 0.556 0.000
O3 -1.192 -0.214 0.000
H4 -1.940 0.387 0.000
H5 2.111 0.132 0.000
H6 1.126 -1.045 0.883
H7 1.126 -1.045 -0.883
H8 0.058 1.203 0.882
H9 0.058 1.203 -0.882

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.51472.36753.20721.08891.08781.08782.14702.1470
C21.51471.41921.94712.15372.14662.14661.09561.0956
O32.36751.41920.95883.32192.61602.61602.08512.0851
H43.20721.94710.95884.05933.49663.49662.33112.3311
H51.08892.15373.32194.05931.77031.77032.47862.4786
H61.08782.14662.61603.49661.77031.76512.48843.0506
H71.08782.14662.61603.49661.77031.76513.05062.4884
H82.14701.09562.08512.33112.47862.48843.05061.7643
H92.14701.09562.08512.33112.47863.05062.48841.7643

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.553 C1 C2 H8 109.633
C1 C2 H9 109.633 C2 C1 H5 110.558
C2 C1 H6 110.053 C2 C1 H7 110.053
C2 O3 H4 108.375 O3 C2 H8 111.378
O3 C2 H9 111.378 H5 C1 H6 108.840
H5 C1 H7 108.840 H6 C1 H7 108.448
H8 C2 H9 107.264
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability