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All results from a given calculation for CH3CH2O (Ethoxy radical)

using model chemistry: PBEPBE/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at PBEPBE/aug-cc-pVDZ
 hartrees
Energy at 0K-154.197348
Energy at 298.15K-154.202313
HF Energy-154.197348
Nuclear repulsion energy73.839834
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/aug-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' 3058 3039 18.50      
2 A' 2974 2955 11.57      
3 A' 2764 2747 29.86      
4 A' 1411 1403 4.90      
5 A' 1332 1324 30.46      
6 A' 1304 1296 18.69      
7 A' 1215 1208 22.99      
8 A' 1069 1062 18.03      
9 A' 1048 1042 4.95      
10 A' 866 861 1.64      
11 A' 425 422 7.91      
12 A" 3067 3048 13.46      
13 A" 2759 2742 4.30      
14 A" 1402 1393 7.88      
15 A" 1153 1146 0.04      
16 A" 811 806 0.01      
17 A" 314 312 27.18      
18 A" 169 168 0.37      

Unscaled Zero Point Vibrational Energy (zpe) 13569.7 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 13487.0 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 PBEPBE/aug-cc-pVDZ
ABC
1.33477 0.31413 0.28069

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.041 -0.622 0.000
C2 0.000 0.497 0.000
O3 -1.307 0.131 0.000
H4 2.066 -0.203 0.000
H5 0.922 -1.259 0.896
H6 0.922 -1.259 -0.896
H7 0.150 1.209 0.863
H8 0.150 1.209 -0.863

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.52792.46581.10701.10551.10552.21142.2114
C21.52791.35722.18102.17582.17581.12931.1293
O32.46581.35723.38932.77542.77542.00782.0078
H41.10702.18103.38931.79581.79582.53132.5313
H51.10552.17582.77541.79581.79122.58593.1272
H61.10552.17582.77541.79581.79123.12722.5859
H72.21141.12932.00782.53132.58593.12721.7264
H82.21141.12932.00782.53133.12722.58591.7264

picture of Ethoxy radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 117.320 C1 C2 H7 111.780
C1 C2 H8 111.780 C2 C1 H4 110.716
C2 C1 H5 110.398 C2 C1 H6 110.398
O3 C2 H7 107.349 O3 C2 H8 107.349
H4 C1 H5 108.518 H4 C1 H6 108.518
H5 C1 H6 108.220 H7 C2 H8 99.705
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.573      
2 C 0.799      
3 O -0.468      
4 H -0.146      
5 H -0.157      
6 H -0.157      
7 H -0.222      
8 H -0.222      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.159 0.662 0.000 2.259
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.994 0.239 0.000
y 0.239 -18.959 0.000
z 0.000 0.000 -18.418
Traceless
 xyz
x -4.305 0.239 0.000
y 0.239 1.746 0.000
z 0.000 0.000 2.559
Polar
3z2-r25.118
x2-y2-4.035
xy0.239
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.969 -0.038 0.000
y -0.038 5.192 0.000
z 0.000 0.000 4.695


<r2> (average value of r2) Å2
<r2> 51.916
(<r2>)1/2 7.205