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

using model chemistry: wB97X-D/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-229.550444
Energy at 298.15K-229.556472
HF Energy-229.550444
Nuclear repulsion energy124.578848
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/aug-cc-pVTZ
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' 3149 3012 14.34      
2 A' 3083 2949 13.07      
3 A' 3069 2936 10.78      
4 A' 1520 1454 7.63      
5 A' 1511 1445 1.39      
6 A' 1438 1375 17.97      
7 A' 1395 1335 9.87      
8 A' 1277 1222 20.42      
9 A' 1156 1105 7.50      
10 A' 1044 999 18.72      
11 A' 877 839 2.92      
12 A' 518 496 10.28      
13 A' 318 304 1.45      
14 A" 3156 3019 26.89      
15 A" 3131 2995 1.71      
16 A" 1489 1424 7.27      
17 A" 1293 1237 0.38      
18 A" 1164 1114 4.57      
19 A" 822 786 1.37      
20 A" 225 215 0.26      
21 A" 91 87 0.45      

Unscaled Zero Point Vibrational Energy (zpe) 15862.2 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 15173.8 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 wB97X-D/aug-cc-pVTZ
ABC
1.13403 0.14867 0.13827

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.493 0.909 0.000
C2 0.000 0.668 0.000
O3 -0.217 -0.755 0.000
O4 -1.482 -1.062 0.000
H5 1.687 1.980 0.000
H6 1.956 0.475 0.885
H7 1.956 0.475 -0.885
H8 -0.483 1.076 -0.888
H9 -0.483 1.076 0.888

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9
C11.51212.38543.56871.08891.08901.08902.17202.1720
C21.51211.43912.27812.13752.15542.15541.08981.0898
O32.38541.43911.30243.33252.64872.64872.05252.0525
O43.56872.27811.30244.39343.86873.86872.52212.5221
H51.08892.13753.33254.39341.76681.76682.51242.5124
H61.08902.15542.64873.86871.76681.76983.07402.5116
H71.08902.15542.64873.86871.76681.76982.51163.0740
H82.17201.08982.05252.52212.51243.07402.51161.7750
H92.17201.08982.05252.52212.51242.51163.07401.7750

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 107.831 C1 C2 H8 112.171
C1 C2 H9 112.171 C2 C1 H5 109.459
C2 C1 H6 110.875 C2 C1 H7 110.875
C2 O3 O4 112.299 O3 C2 H8 107.704
O3 C2 H9 107.704 H5 C1 H6 108.432
H5 C1 H7 108.432 H6 C1 H7 108.700
H8 C2 H9 109.056
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.785      
2 C -0.080      
3 O -0.115      
4 O -0.343      
5 H 0.276      
6 H 0.261      
7 H 0.261      
8 H 0.263      
9 H 0.263      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.736 2.477 0.000 3.024
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.993 -1.226 0.000
y -1.226 -25.321 0.000
z 0.000 0.000 -23.206
Traceless
 xyz
x -1.729 -1.226 0.000
y -1.226 -0.722 0.000
z 0.000 0.000 2.451
Polar
3z2-r24.903
x2-y2-0.671
xy-1.226
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.551 0.990 0.000
y 0.990 5.646 0.000
z 0.000 0.000 4.626


<r2> (average value of r2) Å2
<r2> 88.748
(<r2>)1/2 9.421