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

using model chemistry: B3LYP/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B3LYP/6-311G**
 hartrees
Energy at 0K-154.417060
Energy at 298.15K-154.421928
HF Energy-154.417060
Nuclear repulsion energy74.127272
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 B3LYP/6-311G**
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' 3097 2994 25.85      
2 A' 3030 2930 15.07      
3 A' 2887 2791 30.33      
4 A' 1496 1446 6.47      
5 A' 1409 1363 21.72      
6 A' 1389 1342 22.24      
7 A' 1342 1297 10.03      
8 A' 1098 1061 5.84      
9 A' 1069 1034 16.99      
10 A' 887 857 0.47      
11 A' 432 418 7.47      
12 A" 3107 3004 23.40      
13 A" 2890 2794 8.84      
14 A" 1485 1435 6.57      
15 A" 1239 1198 0.11      
16 A" 866 837 0.02      
17 A" 278 269 20.45      
18 A" 100 96 12.03      

Unscaled Zero Point Vibrational Energy (zpe) 14049.1 cm-1
Scaled (by 0.9668) Zero Point Vibrational Energy (zpe) 13582.7 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 B3LYP/6-311G**
ABC
1.32550 0.31823 0.28325

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.043 -0.603 0.000
C2 0.000 0.512 0.000
O3 -1.303 0.102 0.000
H4 2.058 -0.193 0.000
H5 0.926 -1.233 0.885
H6 0.926 -1.233 -0.885
H7 0.128 1.192 0.866
H8 0.128 1.192 -0.866

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.52662.45031.09421.09251.09252.19302.1930
C21.52661.36602.17522.16412.16411.10881.1088
O32.45031.36603.37412.74492.74491.99681.9968
H41.09422.17523.37411.77371.77372.52832.5283
H51.09252.16412.74491.77371.76912.55323.0955
H61.09252.16412.74491.77371.76913.09552.5532
H72.19301.10881.99682.52832.55323.09551.7316
H82.19301.10881.99682.52833.09552.55321.7316

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 115.682 C1 C2 H7 111.659
C1 C2 H8 111.659 C2 C1 H4 111.120
C2 C1 H5 110.341 C2 C1 H6 110.341
O3 C2 H7 107.117 O3 C2 H8 107.117
H4 C1 H5 108.414 H4 C1 H6 108.414
H5 C1 H6 108.124 H7 C2 H8 102.672
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.305      
2 C -0.050      
3 O -0.240      
4 H 0.098      
5 H 0.117      
6 H 0.117      
7 H 0.132      
8 H 0.132      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.904 0.683 0.000 2.023
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.361 0.264 0.000
y 0.264 -18.734 0.000
z 0.000 0.000 -18.133
Traceless
 xyz
x -3.927 0.264 0.000
y 0.264 1.513 0.000
z 0.000 0.000 2.414
Polar
3z2-r24.828
x2-y2-3.627
xy0.264
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.518 0.004 0.000
y 0.004 4.057 0.000
z 0.000 0.000 3.945


<r2> (average value of r2) Å2
<r2> 51.252
(<r2>)1/2 7.159