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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: MP2/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 MP2/cc-pVDZ
 hartrees
Energy at 0K-154.573320
Energy at 298.15K-154.580036
HF Energy-154.091359
Nuclear repulsion energy81.613417
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/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' 3857 3674 28.67 94.47 0.29 0.45
2 A' 3196 3044 21.52 62.16 0.75 0.86
3 A' 3093 2946 13.92 130.03 0.01 0.02
4 A' 3032 2888 69.55 115.77 0.11 0.20
5 A' 1534 1461 2.19 4.63 0.69 0.82
6 A' 1503 1432 2.62 17.61 0.75 0.86
7 A' 1476 1406 13.34 5.58 0.46 0.63
8 A' 1396 1330 0.95 0.42 0.74 0.85
9 A' 1289 1228 78.50 3.68 0.75 0.86
10 A' 1139 1085 36.51 5.54 0.66 0.80
11 A' 1064 1013 34.24 4.54 0.14 0.25
12 A' 922 878 11.47 4.99 0.34 0.51
13 A' 416 396 10.58 0.26 0.69 0.82
14 A" 3201 3049 23.06 51.95 0.75 0.86
15 A" 3077 2930 68.77 95.67 0.75 0.86
16 A" 1481 1411 5.15 12.79 0.75 0.86
17 A" 1308 1246 0.00 9.33 0.75 0.86
18 A" 1189 1133 4.76 1.96 0.75 0.86
19 A" 824 785 0.00 0.08 0.75 0.86
20 A" 306 291 84.05 3.17 0.75 0.86
21 A" 260 247 33.94 0.87 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17781.1 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 16936.5 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/cc-pVDZ
ABC
1.15390 0.31415 0.27259

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.167 -0.413 0.000
C2 0.000 0.558 0.000
O3 -1.195 -0.215 0.000
H4 -1.930 0.412 0.000
H5 2.128 0.127 0.000
H6 1.122 -1.057 0.893
H7 1.122 -1.057 -0.893
H8 0.057 1.213 0.893
H9 0.057 1.213 -0.893

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.51882.37063.20571.10231.10151.10152.16242.1624
C21.51881.42341.93602.17132.16022.16021.10901.1090
O32.37061.42340.96613.34062.62232.62232.09902.0990
H43.20571.93600.96614.06843.50343.50342.32192.3219
H51.10232.17133.34064.06841.79181.79182.50312.5031
H61.10152.16022.62233.50341.79181.78542.50783.0788
H71.10152.16022.62233.50341.79181.78543.07882.5078
H82.16241.10902.09902.32192.50312.50783.07881.7864
H92.16241.10902.09902.32192.50313.07882.50781.7864

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.315 C1 C2 H8 109.763
C1 C2 H9 109.763 C2 C1 H5 110.863
C2 C1 H6 110.035 C2 C1 H7 110.035
C2 O3 H4 106.663 O3 C2 H8 111.353
O3 C2 H9 111.353 H5 C1 H6 108.788
H5 C1 H7 108.788 H6 C1 H7 108.272
H8 C2 H9 107.298
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability