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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: MP2/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/Def2TZVPP
 hartrees
Energy at 0K-154.749094
Energy at 298.15K-154.755761
HF Energy-154.149171
Nuclear repulsion energy82.044498
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 MP2/Def2TZVPP
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' 3869 3682 35.91 93.21 0.24 0.38
2 A' 3180 3026 18.73 51.43 0.75 0.86
3 A' 3089 2939 12.30 148.65 0.01 0.01
4 A' 3049 2901 57.47 125.89 0.08 0.15
5 A' 1545 1470 1.32 3.15 0.71 0.83
6 A' 1517 1443 2.51 10.00 0.75 0.86
7 A' 1467 1396 11.56 3.24 0.34 0.50
8 A' 1409 1340 2.19 0.08 0.41 0.58
9 A' 1278 1216 63.63 1.95 0.72 0.84
10 A' 1124 1070 37.89 5.51 0.54 0.70
11 A' 1057 1005 46.37 5.02 0.14 0.24
12 A' 915 870 12.55 5.24 0.26 0.41
13 A' 417 396 10.73 0.28 0.66 0.80
14 A" 3185 3031 21.19 37.34 0.75 0.86
15 A" 3091 2941 41.01 85.70 0.75 0.86
16 A" 1498 1425 5.62 7.22 0.75 0.86
17 A" 1316 1252 0.01 6.79 0.75 0.86
18 A" 1190 1132 3.37 0.78 0.75 0.86
19 A" 823 783 0.04 0.09 0.75 0.86
20 A" 292 278 75.09 1.73 0.75 0.86
21 A" 241 229 43.04 0.48 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17775.1 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 16913.0 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 MP2/Def2TZVPP
ABC
1.17427 0.31567 0.27423

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.169 -0.400 0.000
C2 0.000 0.557 0.000
O3 -1.191 -0.224 0.000
H4 -1.941 0.375 0.000
H5 2.110 0.148 0.000
H6 1.134 -1.034 0.882
H7 1.134 -1.034 -0.882
H8 0.040 1.199 0.883
H9 0.040 1.199 -0.883

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.51022.36653.20481.08841.08751.08752.14722.1472
C21.51021.42431.94932.14882.14392.14391.09301.0930
O32.36651.42430.95993.32162.61562.61562.07882.0788
H43.20481.94930.95994.05683.49583.49582.31992.3199
H51.08842.14883.32164.05681.76861.76862.48372.4837
H61.08752.14392.61563.49581.76861.76482.48693.0501
H71.08752.14392.61563.49581.76861.76483.05012.4869
H82.14721.09302.07882.31992.48372.48693.05011.7669
H92.14721.09302.07882.31992.48373.05012.48691.7669

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.465 C1 C2 H8 110.111
C1 C2 H9 110.111 C2 C1 H5 110.516
C2 C1 H6 110.169 C2 C1 H7 110.169
C2 O3 H4 108.100 O3 C2 H8 110.653
O3 C2 H9 110.653 H5 C1 H6 108.736
H5 C1 H7 108.736 H6 C1 H7 108.463
H8 C2 H9 107.860
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability