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

using model chemistry: wB97X-D/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 wB97X-D/6-311G**
 hartrees
Energy at 0K-229.521716
Energy at 298.15K-229.527744
HF Energy-229.521716
Nuclear repulsion energy124.460224
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/6-311G**
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' 3147 3010 17.20      
2 A' 3079 2945 14.69      
3 A' 3065 2932 12.16      
4 A' 1519 1453 7.22      
5 A' 1509 1444 1.34      
6 A' 1438 1375 24.60      
7 A' 1394 1333 5.62      
8 A' 1279 1223 22.30      
9 A' 1156 1106 7.91      
10 A' 1047 1002 17.78      
11 A' 878 840 2.79      
12 A' 522 499 10.54      
13 A' 317 303 1.80      
14 A" 3155 3018 33.06      
15 A" 3130 2994 3.23      
16 A" 1487 1422 8.19      
17 A" 1293 1237 0.42      
18 A" 1165 1114 5.79      
19 A" 820 785 1.45      
20 A" 230 220 0.34      
21 A" 89 85 0.29      

Unscaled Zero Point Vibrational Energy (zpe) 15859.2 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 15169.3 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 wB97X-D/6-311G**
ABC
1.12858 0.14857 0.13814

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.496 0.907 0.000
C2 0.000 0.669 0.000
O3 -0.218 -0.755 0.000
O4 -1.484 -1.061 0.000
H5 1.697 1.980 0.000
H6 1.957 0.468 0.887
H7 1.957 0.468 -0.887
H8 -0.484 1.079 -0.890
H9 -0.484 1.079 0.890

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9
C11.51432.38673.57111.09181.09171.09172.17672.1767
C21.51431.44032.27982.14412.15832.15831.09251.0925
O32.38671.44031.30293.33832.64862.64862.05562.0556
O43.57112.27981.30294.40103.86943.86942.52502.5250
H51.09182.14413.33834.40101.77151.77152.52122.5212
H61.09172.15832.64863.86941.77151.77363.08012.5163
H71.09172.15832.64863.86941.77151.77362.51633.0801
H82.17671.09252.05562.52502.52123.08012.51631.7792
H92.17671.09252.05562.52502.52122.51633.08011.7792

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 107.733 C1 C2 H8 112.225
C1 C2 H9 112.225 C2 C1 H5 109.651
C2 C1 H6 110.788 C2 C1 H7 110.788
C2 O3 O4 112.323 O3 C2 H8 107.710
O3 C2 H9 107.710 H5 C1 H6 108.450
H5 C1 H7 108.450 H6 C1 H7 108.648
H8 C2 H9 109.030
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.356      
2 C -0.038      
3 O -0.132      
4 O -0.158      
5 H 0.131      
6 H 0.137      
7 H 0.137      
8 H 0.140      
9 H 0.140      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.622 2.481 0.000 2.965
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.851 -1.205 0.000
y -1.205 -25.118 0.000
z 0.000 0.000 -23.066
Traceless
 xyz
x -1.759 -1.205 0.000
y -1.205 -0.659 0.000
z 0.000 0.000 2.419
Polar
3z2-r24.837
x2-y2-0.733
xy-1.205
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.605 0.939 0.000
y 0.939 4.620 0.000
z 0.000 0.000 3.819


<r2> (average value of r2) Å2
<r2> 88.738
(<r2>)1/2 9.420