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

using model chemistry: B3LYP/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-154.433374
Energy at 298.15K-154.438174
HF Energy-154.433374
Nuclear repulsion energy74.269709
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/cc-pVTZ
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' 3096 2992 22.49      
2 A' 3032 2930 13.67      
3 A' 2882 2786 27.02      
4 A' 1496 1446 5.62      
5 A' 1408 1361 17.73      
6 A' 1391 1345 23.70      
7 A' 1333 1288 10.93      
8 A' 1098 1061 6.90      
9 A' 1070 1034 15.22      
10 A' 886 856 0.60      
11 A' 433 419 6.94      
12 A" 3106 3002 19.83      
13 A" 2882 2785 6.04      
14 A" 1485 1436 5.80      
15 A" 1239 1198 0.01      
16 A" 861 832 0.01      
17 A" 260 252 17.69      
18 A" 73 71 13.80      

Unscaled Zero Point Vibrational Energy (zpe) 14014.4 cm-1
Scaled (by 0.9666) Zero Point Vibrational Energy (zpe) 13546.3 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/cc-pVTZ
ABC
1.33546 0.31887 0.28406

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.042 -0.602 0.000
C2 0.000 0.508 0.000
O3 -1.302 0.105 0.000
H4 2.051 -0.187 0.000
H5 0.928 -1.231 0.883
H6 0.928 -1.231 -0.883
H7 0.130 1.189 0.863
H8 0.130 1.189 -0.863

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.52252.44811.09181.09001.09002.18772.1877
C21.52251.36332.16612.16032.16031.10701.1070
O32.44811.36333.36632.74592.74591.99281.9928
H41.09182.16613.36631.76941.76942.51642.5164
H51.09002.16032.74591.76941.76622.54893.0895
H61.09002.16032.74591.76941.76623.08952.5489
H72.18771.10701.99282.51642.54893.08951.7258
H82.18771.10701.99282.51643.08952.54891.7258

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 115.950 C1 C2 H7 111.631
C1 C2 H8 111.631 C2 C1 H4 110.822
C2 C1 H5 110.469 C2 C1 H6 110.469
O3 C2 H7 107.098 O3 C2 H8 107.098
H4 C1 H5 108.387 H4 C1 H6 108.387
H5 C1 H6 108.226 H7 C2 H8 102.437
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.277      
2 C 0.033      
3 O -0.232      
4 H 0.082      
5 H 0.101      
6 H 0.101      
7 H 0.096      
8 H 0.096      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.930 0.649 0.000 2.036
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.409 0.248 0.000
y 0.248 -18.796 0.000
z 0.000 0.000 -18.187
Traceless
 xyz
x -3.917 0.248 0.000
y 0.248 1.501 0.000
z 0.000 0.000 2.416
Polar
3z2-r24.832
x2-y2-3.612
xy0.248
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.886 -0.022 0.000
y -0.022 4.378 0.000
z 0.000 0.000 4.176


<r2> (average value of r2) Å2
<r2> 51.165
(<r2>)1/2 7.153