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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: MP2=FULL/6-31G*

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=FULL/6-31G*
 hartrees
Energy at 0K-154.528955
Energy at 298.15K-154.535703
HF Energy-154.074378
Nuclear repulsion energy81.839521
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=FULL/6-31G*
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' 3781 3563 22.05 96.56 0.30 0.47
2 A' 3211 3025 21.01 54.11 0.75 0.86
3 A' 3119 2939 11.27 98.56 0.02 0.03
4 A' 3061 2884 59.85 96.20 0.12 0.22
5 A' 1599 1506 2.01 5.48 0.68 0.81
6 A' 1567 1476 3.56 22.80 0.75 0.86
7 A' 1511 1423 16.93 5.94 0.61 0.76
8 A' 1456 1372 0.84 0.76 0.60 0.75
9 A' 1312 1236 84.63 6.56 0.72 0.84
10 A' 1148 1081 22.18 5.94 0.56 0.72
11 A' 1079 1017 50.60 3.02 0.18 0.31
12 A' 938 884 10.79 6.01 0.36 0.53
13 A' 427 402 12.79 0.25 0.65 0.78
14 A" 3221 3035 21.87 44.20 0.75 0.86
15 A" 3103 2924 62.71 77.84 0.75 0.86
16 A" 1550 1460 5.06 16.73 0.75 0.86
17 A" 1338 1260 0.18 13.69 0.75 0.86
18 A" 1223 1153 4.75 3.56 0.75 0.86
19 A" 848 799 0.01 0.04 0.75 0.86
20 A" 314 296 106.52 3.97 0.75 0.86
21 A" 265 250 36.34 0.75 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18034.6 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 16992.2 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=FULL/6-31G*
ABC
1.15998 0.31607 0.27395

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.168 -0.400 0.000
C2 0.000 0.560 0.000
O3 -1.189 -0.229 0.000
H4 -1.947 0.379 0.000
H5 2.116 0.145 0.000
H6 1.128 -1.037 0.886
H7 1.128 -1.037 -0.886
H8 0.041 1.208 0.887
H9 0.041 1.208 -0.887

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.51192.36343.21051.09331.09171.09172.15452.1545
C21.51191.42711.95502.15632.14642.14641.09911.0991
O32.36341.42710.97123.32622.60882.60882.08952.0895
H43.21051.95500.97124.06933.49873.49872.32932.3293
H51.09332.15633.32624.06931.77701.77702.49422.4942
H61.09172.14642.60883.49871.77701.77132.49423.0598
H71.09172.14642.60883.49871.77701.77133.05982.4942
H82.15451.09912.08952.32932.49422.49423.05981.7735
H92.15451.09912.08952.32932.49423.05982.49421.7735

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.019 C1 C2 H8 110.202
C1 C2 H9 110.202 C2 C1 H5 110.699
C2 C1 H6 110.003 C2 C1 H7 110.003
C2 O3 H4 107.685 O3 C2 H8 110.940
O3 C2 H9 110.940 H5 C1 H6 108.826
H5 C1 H7 108.826 H6 C1 H7 108.435
H8 C2 H9 107.562
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability