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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: B2PLYP=FULL/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-154.906288
Energy at 298.15K-154.912955
HF Energy-154.736912
Nuclear repulsion energy81.476577
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 B2PLYP=FULL/aug-cc-pVDZ
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' 3842 3695 28.17 108.76 0.20 0.34
2 A' 3143 3022 26.80 54.46 0.75 0.86
3 A' 3062 2945 15.48 185.47 0.00 0.01
4 A' 3021 2906 65.85 129.34 0.07 0.14
5 A' 1516 1458 1.14 2.70 0.75 0.86
6 A' 1488 1431 2.32 6.06 0.75 0.86
7 A' 1444 1389 13.08 2.03 0.47 0.64
8 A' 1388 1335 1.11 0.03 0.58 0.74
9 A' 1272 1224 63.44 0.98 0.74 0.85
10 A' 1099 1057 36.16 6.28 0.45 0.62
11 A' 1048 1008 48.37 6.01 0.14 0.25
12 A' 901 866 16.37 6.39 0.17 0.29
13 A' 416 400 10.73 0.32 0.56 0.72
14 A" 3149 3029 30.52 38.52 0.75 0.86
15 A" 3059 2942 43.66 95.09 0.75 0.86
16 A" 1470 1414 5.63 4.70 0.75 0.86
17 A" 1295 1246 0.02 3.71 0.75 0.86
18 A" 1175 1130 2.58 0.43 0.75 0.86
19 A" 817 786 0.11 0.17 0.75 0.86
20 A" 300 288 86.86 1.27 0.75 0.86
21 A" 239 230 27.97 0.19 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17571.4 cm-1
Scaled (by 0.9618) Zero Point Vibrational Energy (zpe) 16900.2 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 B2PLYP=FULL/aug-cc-pVDZ
ABC
1.16049 0.31106 0.27053

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.178 -0.398 0.000
C2 0.000 0.559 0.000
O3 -1.199 -0.228 0.000
H4 -1.959 0.364 0.000
H5 2.122 0.163 0.000
H6 1.150 -1.039 0.891
H7 1.150 -1.039 -0.891
H8 0.033 1.206 0.892
H9 0.033 1.206 -0.892

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.51712.38293.22781.09851.09761.09762.16282.1628
C21.51711.43451.96862.15892.16042.16041.10271.1027
O32.38291.43450.96343.34462.63982.63982.09062.0906
H43.22781.96860.96344.08633.52523.52522.33912.3391
H51.09852.15893.34464.08631.78391.78392.50002.5000
H61.09762.16042.63983.52521.78391.78102.50723.0764
H71.09762.16042.63983.52521.78391.78103.07642.5072
H82.16281.10272.09062.33912.50002.50723.07641.7846
H92.16281.10272.09062.33912.50003.07642.50721.7846

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.643 C1 C2 H8 110.297
C1 C2 H9 110.297 C2 C1 H5 110.234
C2 C1 H6 110.404 C2 C1 H7 110.404
C2 O3 H4 108.771 O3 C2 H8 110.288
O3 C2 H9 110.288 H5 C1 H6 108.645
H5 C1 H7 108.645 H6 C1 H7 108.452
H8 C2 H9 108.038
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability