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

using model chemistry: B97D3/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B97D3/6-31+G**
 hartrees
Energy at 0K-229.420794
Energy at 298.15K-229.426605
HF Energy-229.420794
Nuclear repulsion energy122.620357
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 B97D3/6-31+G**
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' 3082 3029 18.39      
2 A' 3019 2967 15.82      
3 A' 3003 2951 15.88      
4 A' 1480 1455 6.61      
5 A' 1464 1439 1.10      
6 A' 1391 1367 15.81      
7 A' 1341 1318 17.44      
8 A' 1137 1117 10.70      
9 A' 1099 1080 0.45      
10 A' 978 962 13.00      
11 A' 787 774 2.21      
12 A' 485 477 9.56      
13 A' 296 291 1.49      
14 A" 3097 3043 35.27      
15 A" 3073 3020 1.31      
16 A" 1462 1437 7.89      
17 A" 1244 1222 0.10      
18 A" 1111 1092 4.36      
19 A" 785 771 1.25      
20 A" 212 208 0.26      
21 A" 69 68 0.45      

Unscaled Zero Point Vibrational Energy (zpe) 15306.5 cm-1
Scaled (by 0.9828) Zero Point Vibrational Energy (zpe) 15043.2 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 B97D3/6-31+G**
ABC
1.09985 0.14406 0.13390

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.498 0.938 0.000
C2 0.000 0.691 0.000
O3 -0.205 -0.777 0.000
O4 -1.497 -1.093 0.000
H5 1.685 2.020 0.000
H6 1.971 0.508 0.892
H7 1.971 0.508 -0.892
H8 -0.501 1.078 -0.896
H9 -0.501 1.078 0.896

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9
C11.51842.41723.61881.09831.09731.09732.19532.1953
C21.51841.48202.32862.14662.17082.17081.09751.0975
O32.41721.48201.32983.37632.67972.67972.08142.0814
O43.61882.32861.32984.45193.92203.92202.55132.5513
H51.09832.14663.37634.45191.77891.77892.54382.5438
H61.09732.17082.67973.92201.77891.78403.10352.5365
H71.09732.17082.67973.92201.77891.78402.53653.1035
H82.19531.09752.08142.55132.54383.10352.53651.7927
H92.19531.09752.08142.55132.54382.53653.10351.7927

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 108.118 C1 C2 H8 112.306
C1 C2 H9 112.306 C2 C1 H5 109.547
C2 C1 H6 111.028 C2 C1 H7 111.028
C2 O3 O4 113.567 O3 C2 H8 107.541
O3 C2 H9 107.541 H5 C1 H6 108.293
H5 C1 H7 108.293 H6 C1 H7 108.568
H8 C2 H9 108.807
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.495      
2 C -0.144      
3 O -0.023      
4 O -0.202      
5 H 0.168      
6 H 0.177      
7 H 0.177      
8 H 0.171      
9 H 0.171      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.863 2.712 0.000 3.290
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.343 -1.338 0.000
y -1.338 -25.731 0.000
z 0.000 0.000 -23.466
Traceless
 xyz
x -1.744 -1.338 0.000
y -1.338 -0.827 0.000
z 0.000 0.000 2.571
Polar
3z2-r25.142
x2-y2-0.611
xy-1.338
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.440 1.137 0.000
y 1.137 5.508 0.000
z 0.000 0.000 4.283


<r2> (average value of r2) Å2
<r2> 91.216
(<r2>)1/2 9.551