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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: MP2/aug-cc-pVQZ

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/aug-cc-pVQZ
 hartrees
Energy at 0K-154.803873
Energy at 298.15K-154.810539
HF Energy-154.155405
Nuclear repulsion energy82.105692
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/aug-cc-pVQZ
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' 3866 3671 38.58 98.00 0.18 0.31
2 A' 3178 3018 17.42 48.33 0.75 0.86
3 A' 3083 2928 12.20 166.54 0.00 0.01
4 A' 3048 2894 55.30 138.95 0.06 0.11
5 A' 1544 1466 1.57 2.32 0.75 0.85
6 A' 1518 1441 2.71 5.87 0.75 0.86
7 A' 1457 1384 12.58 1.52 0.37 0.54
8 A' 1405 1335 1.78 0.01 0.51 0.68
9 A' 1271 1207 59.85 0.79 0.74 0.85
10 A' 1118 1062 39.38 5.95 0.41 0.58
11 A' 1055 1002 48.64 5.67 0.12 0.22
12 A' 914 868 13.68 6.04 0.14 0.25
13 A' 417 396 10.95 0.32 0.58 0.73
14 A" 3183 3022 19.61 33.69 0.75 0.86
15 A" 3093 2937 33.14 81.55 0.75 0.86
16 A" 1500 1424 6.24 4.15 0.75 0.86
17 A" 1312 1246 0.01 3.06 0.75 0.86
18 A" 1188 1129 2.85 0.38 0.75 0.86
19 A" 823 782 0.18 0.14 0.75 0.86
20 A" 290 275 70.88 0.84 0.75 0.86
21 A" 240 227 44.22 0.26 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17750.6 cm-1
Scaled (by 0.9497) Zero Point Vibrational Energy (zpe) 16857.7 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/aug-cc-pVQZ
ABC
1.17452 0.31644 0.27482

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVQZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.168 -0.396 0.000
C2 0.000 0.557 0.000
O3 -1.189 -0.227 0.000
H4 -1.944 0.365 0.000
H5 2.107 0.153 0.000
H6 1.135 -1.031 0.882
H7 1.135 -1.031 -0.882
H8 0.035 1.198 0.884
H9 0.035 1.198 -0.884

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.50792.36303.20381.08771.08691.08692.14652.1465
C21.50791.42441.95342.14522.14162.14161.09221.0922
O32.36301.42440.95953.31762.61182.61182.07602.0760
H43.20381.95340.95954.05633.49313.49312.32182.3218
H51.08772.14523.31764.05631.76771.76772.48322.4832
H61.08692.14162.61183.49311.76771.76392.48533.0487
H71.08692.14162.61183.49311.76771.76393.04872.4853
H82.14651.09222.07602.32182.48322.48533.04871.7675
H92.14651.09222.07602.32182.48323.04872.48531.7675

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.354 C1 C2 H8 110.266
C1 C2 H9 110.266 C2 C1 H5 110.430
C2 C1 H6 110.189 C2 C1 H7 110.189
C2 O3 H4 108.478 O3 C2 H8 110.469
O3 C2 H9 110.469 H5 C1 H6 108.756
H5 C1 H7 108.756 H6 C1 H7 108.471
H8 C2 H9 108.029
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability