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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: PBEPBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-154.841831
Energy at 298.15K-154.848425
HF Energy-154.841831
Nuclear repulsion energy81.233393
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 PBEPBE/cc-pVDZ
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' 3671 3650 12.79 123.82 0.30 0.46
2 A' 3068 3050 21.83 70.39 0.75 0.85
3 A' 2978 2961 16.13 142.87 0.00 0.01
4 A' 2878 2861 80.83 142.95 0.10 0.18
5 A' 1453 1444 2.17 4.65 0.61 0.76
6 A' 1426 1418 2.17 22.67 0.74 0.85
7 A' 1405 1397 12.03 5.90 0.63 0.77
8 A' 1329 1322 1.35 1.01 0.68 0.81
9 A' 1235 1228 73.72 5.28 0.72 0.84
10 A' 1087 1081 41.59 4.91 0.67 0.80
11 A' 1013 1007 37.74 4.62 0.13 0.23
12 A' 883 878 13.45 3.68 0.48 0.65
13 A' 402 399 9.93 0.29 0.75 0.86
14 A" 3064 3047 25.03 61.23 0.75 0.86
15 A" 2903 2886 79.00 118.31 0.75 0.86
16 A" 1402 1394 5.85 14.10 0.75 0.86
17 A" 1241 1234 0.18 10.34 0.75 0.86
18 A" 1127 1120 3.79 3.02 0.75 0.86
19 A" 793 788 0.24 0.15 0.75 0.86
20 A" 289 288 75.54 3.67 0.75 0.86
21 A" 242 241 32.47 1.31 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 16944.0 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 16845.7 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 PBEPBE/cc-pVDZ
ABC
1.14663 0.31133 0.27035

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.171 -0.413 0.000
C2 0.000 0.557 0.000
O3 -1.201 -0.216 0.000
H4 -1.945 0.416 0.000
H5 2.136 0.132 0.000
H6 1.133 -1.064 0.897
H7 1.133 -1.064 -0.897
H8 0.061 1.221 0.898
H9 0.061 1.221 -0.898

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.52022.37983.22381.10841.10871.10872.16992.1699
C21.52021.42811.94972.17842.17132.17131.11901.1190
O32.37981.42810.97633.35532.64002.64002.11332.1133
H43.22381.94970.97634.09093.53093.53092.34072.3407
H51.10842.17843.35534.09091.79981.79982.51022.5102
H61.10872.17132.64003.53091.79981.79322.52413.0972
H71.10872.17132.64003.53091.79981.79323.09722.5241
H82.16991.11902.11332.34072.51022.52413.09721.7966
H92.16991.11902.11332.34072.51023.09722.52411.7966

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.598 C1 C2 H8 109.669
C1 C2 H9 109.669 C2 C1 H5 110.959
C2 C1 H6 110.389 C2 C1 H7 110.389
C2 O3 H4 106.862 O3 C2 H8 111.561
O3 C2 H9 111.561 H5 C1 H6 108.538
H5 C1 H7 108.538 H6 C1 H7 107.943
H8 C2 H9 106.781
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.070      
2 C 0.045      
3 O -0.245      
4 H 0.137      
5 H 0.027      
6 H 0.041      
7 H 0.041      
8 H 0.012      
9 H 0.012      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.128 1.388 0.000 1.394
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.512 -2.142 0.000
y -2.142 -19.862 0.000
z 0.000 0.000 -20.071
Traceless
 xyz
x 2.455 -2.142 0.000
y -2.142 -1.070 0.000
z 0.000 0.000 -1.384
Polar
3z2-r2-2.769
x2-y22.350
xy-2.142
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.796 -0.221 0.000
y -0.221 4.265 0.000
z 0.000 0.000 3.840


<r2> (average value of r2) Å2
<r2> 54.557
(<r2>)1/2 7.386