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All results from a given calculation for CH3CH2OH (Ethanol)

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

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/6-31G**
 hartrees
Energy at 0K-154.601143
Energy at 298.15K-154.607886
HF Energy-154.089328
Nuclear repulsion energy81.915903
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/6-31G**
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' 3931 3685 16.46      
2 A' 3214 3014 28.79      
3 A' 3127 2932 14.17      
4 A' 3071 2879 62.65      
5 A' 1599 1499 2.88      
6 A' 1564 1466 2.34      
7 A' 1521 1426 15.55      
8 A' 1459 1368 0.06      
9 A' 1317 1235 89.15      
10 A' 1158 1086 22.73      
11 A' 1081 1013 46.43      
12 A' 939 880 9.22      
13 A' 425 399 11.33      
14 A" 3223 3022 30.57      
15 A" 3108 2915 66.63      
16 A" 1547 1451 3.15      
17 A" 1340 1257 0.01      
18 A" 1226 1150 5.18      
19 A" 843 791 0.14      
20 A" 305 286 102.27      
21 A" 261 245 33.01      

Unscaled Zero Point Vibrational Energy (zpe) 18130.0 cm-1
Scaled (by 0.9376) Zero Point Vibrational Energy (zpe) 16998.7 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/6-31G**
ABC
1.17026 0.31466 0.27327

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.170 -0.406 0.000
C2 0.000 0.557 0.000
O3 -1.193 -0.219 0.000
H4 -1.941 0.386 0.000
H5 2.115 0.137 0.000
H6 1.130 -1.042 0.883
H7 1.130 -1.042 -0.883
H8 0.047 1.204 0.883
H9 0.047 1.204 -0.883

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.51552.37083.20971.09011.08891.08892.15322.1532
C21.51551.42351.94812.15612.14812.14811.09611.0961
O32.37081.42350.96113.32732.61872.61872.08402.0840
H43.20971.94810.96114.06303.49983.49982.32352.3235
H51.09012.15613.32734.06301.77181.77182.48932.4893
H61.08892.14812.61873.49981.77181.76662.49393.0563
H71.08892.14812.61873.49981.77181.76663.05632.4939
H82.15321.09612.08402.32352.48932.49393.05631.7668
H92.15321.09612.08402.32352.48933.05632.49391.7668

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.498 C1 C2 H8 110.033
C1 C2 H9 110.033 C2 C1 H5 110.620
C2 C1 H6 110.056 C2 C1 H7 110.056
C2 O3 H4 107.987 O3 C2 H8 110.943
O3 C2 H9 110.943 H5 C1 H6 108.814
H5 C1 H7 108.814 H6 C1 H7 108.431
H8 C2 H9 107.406
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability