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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: MP2=FULL/STO-3G

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/STO-3G
 hartrees
Energy at 0K-152.276287
Energy at 298.15K-152.282854
HF Energy-152.129596
Nuclear repulsion energy79.847758
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/STO-3G
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' 3870 3440 46.94 46.53 0.31 0.47
2 A' 3563 3167 1.98 25.53 0.75 0.86
3 A' 3381 3006 1.39 34.84 0.02 0.04
4 A' 3328 2958 14.05 33.32 0.16 0.28
5 A' 1748 1553 0.75 0.59 0.72 0.83
6 A' 1725 1534 2.95 24.86 0.75 0.86
7 A' 1676 1490 7.42 7.14 0.72 0.84
8 A' 1601 1423 1.70 2.67 0.75 0.85
9 A' 1467 1304 32.58 8.25 0.75 0.86
10 A' 1251 1112 1.16 5.58 0.50 0.67
11 A' 1146 1019 7.07 3.42 0.36 0.52
12 A' 1003 891 0.20 6.51 0.30 0.47
13 A' 410 364 5.19 0.36 0.66 0.80
14 A" 3565 3169 2.32 21.06 0.75 0.86
15 A" 3434 3052 19.81 29.58 0.75 0.86
16 A" 1722 1531 0.76 15.92 0.75 0.86
17 A" 1418 1260 0.03 13.30 0.75 0.86
18 A" 1258 1118 7.99 3.69 0.75 0.86
19 A" 895 796 0.00 0.01 0.75 0.86
20 A" 355 316 64.02 7.56 0.75 0.86
21 A" 210 186 1.94 0.04 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 19512.5 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 17344.6 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=FULL/STO-3G
ABC
1.12025 0.29767 0.25851

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.201 -0.432 0.000
C2 0.000 0.565 0.000
O3 -1.236 -0.218 0.000
H4 -1.937 0.519 0.000
H5 2.155 0.121 0.000
H6 1.165 -1.075 0.895
H7 1.165 -1.075 -0.895
H8 0.068 1.226 0.897
H9 0.068 1.226 -0.897

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.56002.44563.27821.10301.10271.10272.19872.1987
C21.56001.46241.93762.20002.20132.20131.11611.1161
O32.44561.46241.01673.40742.70142.70142.14142.1414
H43.27821.93761.01674.11113.60003.60002.30722.3072
H51.10302.20003.40744.11111.79231.79232.52592.5259
H61.10272.20132.70143.60001.79231.78952.54883.1155
H71.10272.20132.70143.60001.79231.78953.11552.5488
H82.19871.11612.14142.30722.52592.54883.11551.7937
H92.19871.11612.14142.30722.52593.11552.54881.7937

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.977 C1 C2 H8 109.362
C1 C2 H9 109.362 C2 C1 H5 110.224
C2 C1 H6 110.341 C2 C1 H7 110.341
C2 O3 H4 101.283 O3 C2 H8 111.589
O3 C2 H9 111.589 H5 C1 H6 108.705
H5 C1 H7 108.705 H6 C1 H7 108.472
H8 C2 H9 106.936
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability