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

using model chemistry: HF/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 HF/6-311G**
 hartrees
Energy at 0K-228.305251
Energy at 298.15K-228.311477
HF Energy-228.305251
Nuclear repulsion energy125.537945
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 HF/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' 3246 2949 41.26      
2 A' 3204 2911 22.46      
3 A' 3177 2887 20.11      
4 A' 1647 1496 4.53      
5 A' 1618 1470 2.15      
6 A' 1560 1418 25.66      
7 A' 1514 1376 3.55      
8 A' 1298 1179 89.19      
9 A' 1256 1141 22.03      
10 A' 1122 1019 19.25      
11 A' 958 871 6.87      
12 A' 552 502 7.89      
13 A' 337 306 1.25      
14 A" 3265 2966 71.83      
15 A" 3239 2943 0.01      
16 A" 1599 1453 5.46      
17 A" 1402 1273 1.34      
18 A" 1278 1161 6.27      
19 A" 875 795 0.20      
20 A" 257 234 0.74      
21 A" 105 95 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 16754.8 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 15221.8 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 HF/6-311G**
ABC
1.14751 0.15116 0.14053

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.497 0.877 0.000
C2 0.000 0.660 0.000
O3 -0.224 -0.746 0.000
O4 -1.483 -1.028 0.000
H5 1.711 1.941 0.000
H6 1.950 0.434 0.880
H7 1.950 0.434 -0.880
H8 -0.468 1.080 -0.882
H9 -0.468 1.080 0.882

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9
C11.51272.36573.53681.08511.08431.08432.16372.1637
C21.51271.42352.24652.13792.15092.15091.08341.0834
O32.36571.42351.29023.31142.62522.62522.04242.0424
O43.53682.24651.29024.36093.83333.83332.49982.4998
H51.08512.13793.31144.36091.76111.76112.50432.5043
H61.08432.15092.62523.83331.76111.76023.06082.5027
H71.08432.15092.62523.83331.76111.76022.50273.0608
H82.16371.08342.04242.49982.50433.06082.50271.7639
H92.16371.08342.04242.49982.50432.50273.06081.7639

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 107.318 C1 C2 H8 111.849
C1 C2 H9 111.849 C2 C1 H5 109.670
C2 C1 H6 110.752 C2 C1 H7 110.752
C2 O3 O4 111.663 O3 C2 H8 108.354
O3 C2 H9 108.354 H5 C1 H6 108.543
H5 C1 H7 108.543 H6 C1 H7 108.519
H8 C2 H9 108.988
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.273      
2 C 0.097      
3 O -0.257      
4 O -0.075      
5 H 0.098      
6 H 0.108      
7 H 0.108      
8 H 0.098      
9 H 0.098      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.094 2.295 0.000 2.542
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.420 -0.751 0.000
y -0.751 -25.223 0.000
z 0.000 0.000 -23.180
Traceless
 xyz
x -1.219 -0.751 0.000
y -0.751 -0.923 0.000
z 0.000 0.000 2.142
Polar
3z2-r24.284
x2-y2-0.197
xy-0.751
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.117 0.724 0.000
y 0.724 4.219 0.000
z 0.000 0.000 3.672


<r2> (average value of r2) Å2
<r2> 87.491
(<r2>)1/2 9.354