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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-154.547773
Energy at 298.15K-154.554514
HF Energy-154.074293
Nuclear repulsion energy81.677163
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' 3789 3586 15.98      
2 A' 3169 2999 25.87      
3 A' 3087 2922 12.95      
4 A' 3032 2870 58.68      
5 A' 1589 1504 2.11      
6 A' 1554 1471 3.35      
7 A' 1513 1432 14.32      
8 A' 1453 1375 1.19      
9 A' 1322 1251 93.81      
10 A' 1154 1092 23.62      
11 A' 1081 1023 43.30      
12 A' 937 886 8.40      
13 A' 426 404 12.43      
14 A" 3178 3008 27.16      
15 A" 3066 2902 62.68      
16 A" 1537 1455 4.62      
17 A" 1332 1261 0.08      
18 A" 1221 1156 5.17      
19 A" 843 798 0.00      
20 A" 314 298 117.48      
21 A" 261 247 24.29      

Unscaled Zero Point Vibrational Energy (zpe) 17928.2 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 16969.0 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
1.16046 0.31388 0.27246

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 1.169 -0.410 0.000
C2 0.000 0.558 0.000
O3 -1.194 -0.216 0.000
H4 -1.951 0.387 0.000
H5 2.121 0.135 0.000
H6 1.128 -1.049 0.888
H7 1.128 -1.049 -0.888
H8 0.055 1.208 0.889
H9 0.055 1.208 -0.889

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.51762.37103.22041.09661.09541.09542.15642.1564
C21.51761.42261.95872.16272.15482.15481.10271.1027
O32.37101.42260.96793.33332.62182.62182.09212.0921
H43.22041.95870.96794.08003.51173.51172.34272.3427
H51.09662.16273.33334.08001.78261.78262.49232.4923
H61.09542.15482.62183.51171.78261.77682.49963.0669
H71.09542.15482.62183.51171.78261.77683.06692.4996
H82.15641.10272.09212.34272.49232.49963.06691.7772
H92.15641.10272.09212.34272.49233.06692.49961.7772

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.449 C1 C2 H8 109.752
C1 C2 H9 109.752 C2 C1 H5 110.616
C2 C1 H6 110.064 C2 C1 H7 110.064
C2 O3 H4 108.540 O3 C2 H8 111.253
O3 C2 H9 111.253 H5 C1 H6 108.824
H5 C1 H7 108.824 H6 C1 H7 108.399
H8 C2 H9 107.386
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability