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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: CCD/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/6-31+G**
 hartrees
Energy at 0K-154.612425
Energy at 298.15K-154.619100
HF Energy-154.095119
Nuclear repulsion energy81.775625
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 CCD/6-31+G**
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' 3926 3700 27.27      
2 A' 3201 3017 29.06      
3 A' 3116 2936 16.33      
4 A' 3080 2902 64.85      
5 A' 1584 1493 1.96      
6 A' 1550 1461 2.71      
7 A' 1503 1416 17.71      
8 A' 1450 1367 0.27      
9 A' 1297 1222 76.67      
10 A' 1140 1074 29.76      
11 A' 1074 1012 50.32      
12 A' 930 877 12.52      
13 A' 425 400 12.16      
14 A" 3213 3027 30.84      
15 A" 3120 2940 49.58      
16 A" 1532 1444 5.05      
17 A" 1331 1254 0.01      
18 A" 1216 1146 3.91      
19 A" 839 790 0.05      
20 A" 286 269 66.41      
21 A" 234 221 81.69      

Unscaled Zero Point Vibrational Energy (zpe) 18022.8 cm-1
Scaled (by 0.9423) Zero Point Vibrational Energy (zpe) 16982.9 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 CCD/6-31+G**
ABC
1.17066 0.31286 0.27206

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.175 -0.399 0.000
C2 0.000 0.558 0.000
O3 -1.196 -0.226 0.000
H4 -1.956 0.364 0.000
H5 2.115 0.155 0.000
H6 1.143 -1.034 0.885
H7 1.143 -1.034 -0.885
H8 0.033 1.200 0.886
H9 0.033 1.200 -0.886

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.51532.37723.22251.09101.08951.08952.15532.1553
C21.51531.42951.96532.15322.14992.14991.09491.0949
O32.37721.42950.96203.33272.62752.62752.08072.0807
H43.22251.96530.96204.07633.51243.51242.33272.3327
H51.09102.15323.33274.07631.77261.77262.49212.4921
H61.08952.14992.62753.51241.77261.76942.49443.0589
H71.08952.14992.62753.51241.77261.76943.05892.4944
H82.15531.09492.08072.33272.49212.49443.05891.7720
H92.15531.09492.08072.33272.49213.05892.49441.7720

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.617 C1 C2 H8 110.286
C1 C2 H9 110.286 C2 C1 H5 110.344
C2 C1 H6 110.172 C2 C1 H7 110.172
C2 O3 H4 108.959 O3 C2 H8 110.315
O3 C2 H9 110.315 H5 C1 H6 108.763
H5 C1 H7 108.763 H6 C1 H7 108.582
H8 C2 H9 108.033
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability