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

using model chemistry: PBEPBE/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 PBEPBE/6-311G*
 hartrees
Energy at 0K-229.330607
Energy at 298.15K-229.336436
HF Energy-229.330607
Nuclear repulsion energy122.962505
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 PBEPBE/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' 3061 3029 17.61      
2 A' 2993 2962 16.89      
3 A' 2987 2956 12.10      
4 A' 1473 1458 8.18      
5 A' 1453 1438 1.22      
6 A' 1379 1365 22.74      
7 A' 1334 1320 9.57      
8 A' 1141 1129 9.92      
9 A' 1101 1090 0.46      
10 A' 989 979 11.79      
11 A' 795 787 0.73      
12 A' 490 485 9.37      
13 A' 295 292 1.62      
14 A" 3069 3037 35.10      
15 A" 3041 3009 4.54      
16 A" 1454 1439 9.60      
17 A" 1243 1230 0.16      
18 A" 1110 1099 4.93      
19 A" 777 769 2.17      
20 A" 210 208 0.28      
21 A" 79 78 0.50      

Unscaled Zero Point Vibrational Energy (zpe) 15237.0 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 15078.5 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 PBEPBE/6-311G*
ABC
1.10477 0.14510 0.13487

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.492 0.936 0.000
C2 0.000 0.684 0.000
O3 -0.203 -0.776 0.000
O4 -1.492 -1.086 0.000
H5 1.689 2.019 0.000
H6 1.968 0.504 0.892
H7 1.968 0.504 -0.892
H8 -0.507 1.073 -0.896
H9 -0.507 1.073 0.896

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9
C11.51322.40913.60501.10031.09971.09972.19522.1952
C21.51321.47392.31552.15252.16852.16851.10061.1006
O32.40911.47391.32593.37462.67352.67352.07672.0767
O43.60502.31551.32594.44533.91143.91142.53692.5369
H51.10032.15253.37464.44531.78011.78012.55352.5535
H61.09972.16852.67353.91141.78011.78413.10642.5402
H71.09972.16852.67353.91141.78011.78412.54023.1064
H82.19521.10062.07672.53692.55353.10642.54021.7919
H92.19521.10062.07672.53692.55352.54023.10641.7919

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 107.507 C1 C2 H8 113.310
C1 C2 H9 113.310 C2 C1 H5 109.885
C2 C1 H6 111.193 C2 C1 H7 111.193
C2 O3 O4 111.484 O3 C2 H8 106.642
O3 C2 H9 106.642 H5 C1 H6 108.020
H5 C1 H7 108.020 H6 C1 H7 108.419
H8 C2 H9 108.991
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.675      
2 C -0.226      
3 O -0.097      
4 O -0.163      
5 H 0.231      
6 H 0.236      
7 H 0.236      
8 H 0.228      
9 H 0.228      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.679 2.444 0.000 2.965
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.136 -1.214 0.000
y -1.214 -25.349 0.000
z 0.000 0.000 -23.346
Traceless
 xyz
x -1.788 -1.214 0.000
y -1.214 -0.608 0.000
z 0.000 0.000 2.396
Polar
3z2-r24.792
x2-y2-0.787
xy-1.214
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.829 1.061 0.000
y 1.061 4.930 0.000
z 0.000 0.000 3.914


<r2> (average value of r2) Å2
<r2> 90.599
(<r2>)1/2 9.518