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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: PBE1PBE/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 PBE1PBE/STO-3G
 hartrees
Energy at 0K-152.873242
Energy at 298.15K-152.879776
HF Energy-152.873242
Nuclear repulsion energy80.262129
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 PBE1PBE/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' 3795 3348 36.04 51.66 0.30 0.46
2 A' 3543 3125 0.45 27.43 0.75 0.86
3 A' 3367 2970 0.51 38.23 0.01 0.03
4 A' 3282 2895 16.25 39.50 0.13 0.24
5 A' 1712 1510 1.11 0.46 0.75 0.86
6 A' 1690 1491 4.32 26.02 0.75 0.86
7 A' 1641 1448 7.39 6.77 0.71 0.83
8 A' 1569 1384 0.49 2.74 0.73 0.85
9 A' 1434 1265 36.73 8.57 0.75 0.86
10 A' 1231 1086 3.83 5.02 0.49 0.65
11 A' 1128 995 8.32 3.30 0.28 0.44
12 A' 990 873 0.47 5.51 0.33 0.49
13 A' 407 359 6.36 0.34 0.69 0.81
14 A" 3545 3127 0.67 22.15 0.75 0.86
15 A" 3380 2982 18.97 33.48 0.75 0.86
16 A" 1685 1486 2.87 15.91 0.75 0.86
17 A" 1387 1223 0.08 12.87 0.75 0.86
18 A" 1233 1087 6.97 3.89 0.75 0.86
19 A" 883 779 0.89 0.01 0.75 0.86
20 A" 350 309 69.61 7.85 0.75 0.86
21 A" 208 183 2.37 0.07 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 19229.1 cm-1
Scaled (by 0.8821) Zero Point Vibrational Energy (zpe) 16962.0 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 PBE1PBE/STO-3G
ABC
1.12989 0.30175 0.26189

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.193 -0.421 0.000
C2 0.000 0.561 0.000
O3 -1.227 -0.225 0.000
H4 -1.937 0.508 0.000
H5 2.140 0.133 0.000
H6 1.159 -1.061 0.890
H7 1.159 -1.061 -0.890
H8 0.070 1.220 0.894
H9 0.070 1.220 -0.894

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.54512.42773.26451.09741.09711.09712.18022.1802
C21.54511.45771.93752.18232.18362.18361.11271.1127
O32.42771.45771.02063.38612.68032.68032.13822.1382
H43.26451.93751.02064.09393.58303.58302.30942.3094
H51.09742.18233.38614.09391.78371.78372.50312.5031
H61.09712.18362.68033.58301.78371.78062.52813.0942
H71.09712.18362.68033.58301.78371.78063.09422.5281
H82.18021.11272.13822.30942.50312.52813.09421.7875
H92.18021.11272.13822.30942.50313.09422.52811.7875

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.860 C1 C2 H8 109.148
C1 C2 H9 109.148 C2 C1 H5 110.199
C2 C1 H6 110.313 C2 C1 H7 110.313
C2 O3 H4 101.389 O3 C2 H8 111.879
O3 C2 H9 111.879 H5 C1 H6 108.741
H5 C1 H7 108.741 H6 C1 H7 108.483
H8 C2 H9 106.883
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.238      
2 C -0.057      
3 O -0.251      
4 H 0.169      
5 H 0.080      
6 H 0.085      
7 H 0.085      
8 H 0.064      
9 H 0.064      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.102 1.328 0.000 1.332
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.937 -1.940 0.000
y -1.940 -18.004 0.000
z 0.000 0.000 -18.284
Traceless
 xyz
x 1.207 -1.940 0.000
y -1.940 -0.393 0.000
z 0.000 0.000 -0.814
Polar
3z2-r2-1.627
x2-y21.066
xy-1.940
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.529 -0.133 0.000
y -0.133 1.934 0.000
z 0.000 0.000 1.623


<r2> (average value of r2) Å2
<r2> 54.740
(<r2>)1/2 7.399