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All results from a given calculation for C2H5OO (ethylperoxy radical)

using model chemistry: BLYP/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 BLYP/6-31G**
 hartrees
Energy at 0K-229.476381
Energy at 298.15K-229.482154
HF Energy-229.476381
Nuclear repulsion energy121.860464
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 BLYP/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' 3055 3032 17.74      
2 A' 2991 2968 15.70      
3 A' 2986 2963 10.28      
4 A' 1482 1471 3.80      
5 A' 1463 1452 0.46      
6 A' 1387 1376 9.32      
7 A' 1332 1322 21.70      
8 A' 1118 1109 8.93      
9 A' 1081 1072 0.50      
10 A' 968 960 11.20      
11 A' 779 773 2.03      
12 A' 476 472 9.32      
13 A' 290 288 1.20      
14 A" 3067 3043 33.55      
15 A" 3039 3016 5.57      
16 A" 1462 1451 5.24      
17 A" 1234 1224 0.02      
18 A" 1107 1098 3.88      
19 A" 782 776 1.58      
20 A" 211 210 0.30      
21 A" 67 66 0.42      

Unscaled Zero Point Vibrational Energy (zpe) 15187.5 cm-1
Scaled (by 0.9923) Zero Point Vibrational Energy (zpe) 15070.6 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 BLYP/6-31G**
ABC
1.08625 0.14255 0.13240

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.504 0.947 0.000
C2 0.000 0.690 0.000
O3 -0.198 -0.785 0.000
O4 -1.510 -1.096 0.000
H5 1.692 2.032 0.000
H6 1.979 0.516 0.893
H7 1.979 0.516 -0.893
H8 -0.505 1.081 -0.897
H9 -0.505 1.081 0.897

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9
C11.52542.42833.64051.10111.10031.10032.20382.2038
C21.52541.48852.33832.15942.17862.17861.10091.1009
O32.42831.48851.34813.39242.68922.68922.09292.0929
O43.64052.33831.34814.47573.94583.94582.55932.5593
H51.10112.15943.39244.47571.78341.78342.55642.5564
H61.10032.17862.68923.94581.78341.78683.11392.5479
H71.10032.17862.68923.94581.78341.78682.54793.1139
H82.20381.10092.09292.55932.55643.11392.54791.7936
H92.20381.10092.09292.55932.55642.54793.11391.7936

picture of ethylperoxy radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.349 C1 C2 H8 113.104
C1 C2 H9 113.104 C2 C1 H5 109.539
C2 C1 H6 111.109 C2 C1 H7 111.109
C2 O3 O4 110.948 O3 C2 H8 106.902
O3 C2 H9 106.902 H5 C1 H6 108.209
H5 C1 H7 108.209 H6 C1 H7 108.574
H8 C2 H9 109.092
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.313      
2 C 0.066      
3 O -0.155      
4 O -0.180      
5 H 0.111      
6 H 0.120      
7 H 0.120      
8 H 0.116      
9 H 0.116      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.666 2.436 0.000 2.951
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.429 -1.196 0.000
y -1.196 -24.984 0.000
z 0.000 0.000 -23.103
Traceless
 xyz
x -1.385 -1.196 0.000
y -1.196 -0.718 0.000
z 0.000 0.000 2.104
Polar
3z2-r24.207
x2-y2-0.445
xy-1.196
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.585 1.095 0.000
y 1.095 4.760 0.000
z 0.000 0.000 3.769


<r2> (average value of r2) Å2
<r2> 91.605
(<r2>)1/2 9.571