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

using model chemistry: wB97X-D/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at wB97X-D/6-31G*
 hartrees
Energy at 0K-154.317607
Energy at 298.15K-154.322594
HF Energy-154.317607
Nuclear repulsion energy 
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 wB97X-D/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' 3160 2998 22.86      
2 A' 3079 2921 13.47      
3 A' 2946 2794 28.57      
4 A' 1525 1446 6.07      
5 A' 1448 1373 29.78      
6 A' 1423 1350 13.58      
7 A' 1378 1307 6.80      
8 A' 1125 1067 1.42      
9 A' 1115 1058 17.78      
10 A' 914 867 0.55      
11 A' 436 413 7.01      
12 A" 3169 3006 20.50      
13 A" 2969 2816 10.09      
14 A" 1518 1440 5.11      
15 A" 1260 1196 0.43      
16 A" 875 830 0.04      
17 A" 280 266 29.87      
18 A" 164 156 4.91      

Unscaled Zero Point Vibrational Energy (zpe) 14393.2 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 13651.9 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 wB97X-D/6-31G*
ABC
1.32116 0.31974 0.28443

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.049 -0.586 0.000
C2 0.000 0.521 0.000
O3 -1.305 0.078 0.000
H4 2.063 -0.169 0.000
H5 0.935 -1.216 0.887
H6 0.935 -1.216 -0.887
H7 0.107 1.185 0.875
H8 0.107 1.185 -0.875

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.52522.44641.09611.09401.09402.18882.1888
C21.52521.37842.17492.16292.16291.10401.1040
O32.44641.37843.37712.73472.73471.99671.9967
H41.09612.17493.37711.77681.77682.53442.5344
H51.09402.16292.73471.77681.77352.54013.0914
H61.09402.16292.73471.77681.77353.09142.5401
H72.18881.10401.99672.53442.54013.09141.7505
H82.18881.10401.99672.53443.09142.54011.7505

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 114.724 C1 C2 H7 111.709
C1 C2 H8 111.709 C2 C1 H4 111.083
C2 C1 H5 110.246 C2 C1 H6 110.246
O3 C2 H7 106.576 O3 C2 H8 106.576
H4 C1 H5 108.447 H4 C1 H6 108.447
H5 C1 H6 108.295 H7 C2 H8 104.896
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.512      
2 C -0.085      
3 O -0.305      
4 H 0.161      
5 H 0.181      
6 H 0.181      
7 H 0.189      
8 H 0.189      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.904 0.656 0.000 2.014
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.868 0.227 0.000
y 0.227 -18.288 0.000
z 0.000 0.000 -17.742
Traceless
 xyz
x -3.853 0.227 0.000
y 0.227 1.517 0.000
z 0.000 0.000 2.336
Polar
3z2-r24.672
x2-y2-3.580
xy0.227
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.094 0.067 0.000
y 0.067 3.675 0.000
z 0.000 0.000 3.710


<r2> (average value of r2) Å2
<r2> 50.844
(<r2>)1/2 7.131