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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: MP2/SDD

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/SDD
 hartrees
Energy at 0K-154.338862
Energy at 298.15K-154.345476
HF Energy-154.040682
Nuclear repulsion energy79.847245
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/SDD
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' 3656 3529 6.84 113.75 0.30 0.46
2 A' 3137 3028 40.10 47.38 0.74 0.85
3 A' 3036 2930 22.50 176.07 0.02 0.03
4 A' 3020 2915 74.32 65.58 0.16 0.28
5 A' 1556 1502 0.72 2.28 0.75 0.85
6 A' 1542 1489 6.05 20.27 0.74 0.85
7 A' 1467 1416 19.00 4.05 0.48 0.64
8 A' 1446 1396 1.48 0.83 0.74 0.85
9 A' 1264 1220 60.74 13.00 0.59 0.74
10 A' 1091 1053 0.14 7.77 0.39 0.56
11 A' 1024 988 67.96 6.06 0.49 0.66
12 A' 868 838 24.07 11.89 0.23 0.37
13 A' 402 388 17.55 0.43 0.62 0.76
14 A" 3155 3045 47.12 31.88 0.75 0.86
15 A" 3079 2972 59.29 67.87 0.75 0.86
16 A" 1522 1469 6.56 12.86 0.75 0.86
17 A" 1304 1259 1.07 15.52 0.75 0.86
18 A" 1179 1138 4.81 5.72 0.75 0.86
19 A" 849 820 0.92 0.23 0.75 0.86
20 A" 297 287 135.94 6.24 0.75 0.86
21 A" 229 221 59.14 1.54 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17561.0 cm-1
Scaled (by 0.9653) Zero Point Vibrational Energy (zpe) 16951.6 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/SDD
ABC
1.09811 0.30044 0.25954

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.208 -0.370 0.000
C2 0.000 0.589 0.000
O3 -1.216 -0.277 0.000
H4 -2.037 0.267 0.000
H5 2.152 0.205 0.000
H6 1.181 -1.012 0.896
H7 1.181 -1.012 -0.896
H8 0.003 1.232 0.901
H9 0.003 1.232 -0.901

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.54242.42603.30691.10511.10241.10242.19812.1981
C21.54241.49302.06222.18562.18172.18171.10701.1070
O32.42601.49300.98483.40222.66242.66242.13882.1388
H43.30692.06220.98484.18903.57673.57672.42952.4295
H51.10512.18563.40224.18901.79621.79622.54652.5465
H61.10242.18172.66243.57671.79621.79162.53443.1068
H71.10242.18172.66243.57671.79621.79163.10682.5344
H82.19811.10702.13882.42952.54652.53443.10681.8024
H92.19811.10702.13882.42952.54653.10682.53441.8024

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 106.099 C1 C2 H8 111.055
C1 C2 H9 111.055 C2 C1 H5 110.186
C2 C1 H6 110.046 C2 C1 H7 110.046
C2 O3 H4 111.000 O3 C2 H8 109.801
O3 C2 H9 109.801 H5 C1 H6 108.912
H5 C1 H7 108.912 H6 C1 H7 108.705
H8 C2 H9 108.996
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability