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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: MP2=FULL/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-154.789939
Energy at 298.15K-154.796666
HF Energy-154.142846
Nuclear repulsion energy82.341568
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/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3885 3689 35.12 90.02 0.25 0.41
2 A' 3183 3022 19.52 51.98 0.75 0.86
3 A' 3105 2948 12.48 140.40 0.01 0.01
4 A' 3064 2909 58.25 123.20 0.08 0.15
5 A' 1561 1482 1.38 3.33 0.70 0.82
6 A' 1530 1452 2.68 10.82 0.75 0.86
7 A' 1478 1403 11.57 2.72 0.27 0.42
8 A' 1415 1343 2.94 0.09 0.49 0.66
9 A' 1286 1221 64.22 2.11 0.73 0.84
10 A' 1137 1079 36.53 5.09 0.58 0.73
11 A' 1064 1010 46.06 4.79 0.13 0.23
12 A' 925 878 12.03 4.86 0.27 0.42
13 A' 421 400 10.64 0.25 0.67 0.80
14 A" 3188 3026 21.54 38.50 0.75 0.86
15 A" 3090 2934 42.10 85.64 0.75 0.86
16 A" 1512 1436 5.88 7.07 0.75 0.86
17 A" 1328 1261 0.00 5.87 0.75 0.86
18 A" 1203 1142 3.65 0.83 0.75 0.86
19 A" 831 789 0.05 0.06 0.75 0.86
20 A" 300 285 53.60 1.54 0.75 0.86
21 A" 259 246 62.87 1.14 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17882.4 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 16977.5 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=FULL/cc-pVTZ
ABC
1.18125 0.31838 0.27648

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.163 -0.398 0.000
C2 0.000 0.555 0.000
O3 -1.186 -0.224 0.000
H4 -1.934 0.376 0.000
H5 2.103 0.145 0.000
H6 1.126 -1.030 0.880
H7 1.126 -1.030 -0.880
H8 0.044 1.195 0.881
H9 0.044 1.195 -0.881

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.50412.35613.19301.08511.08411.08412.13672.1367
C21.50411.41931.94252.14242.13472.13471.08931.0893
O32.35611.41930.95903.30962.60232.60232.07412.0741
H43.19301.94250.95904.04363.48123.48122.31502.3150
H51.08512.14243.30964.04361.76341.76342.47292.4729
H61.08412.13472.60233.48121.76341.75952.47433.0367
H71.08412.13472.60233.48121.76341.75953.03672.4743
H82.13671.08932.07412.31502.47292.47433.03671.7615
H92.13671.08932.07412.31502.47293.03672.47431.7615

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.372 C1 C2 H8 109.923
C1 C2 H9 109.923 C2 C1 H5 110.629
C2 C1 H6 110.070 C2 C1 H7 110.070
C2 O3 H4 107.964 O3 C2 H8 110.860
O3 C2 H9 110.860 H5 C1 H6 108.769
H5 C1 H7 108.769 H6 C1 H7 108.484
H8 C2 H9 107.910
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability