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

using model chemistry: wB97X-D/TZVP

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/TZVP
 hartrees
Energy at 0K-229.544813
Energy at 298.15K-229.550840
HF Energy-229.544813
Nuclear repulsion energy124.393032
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/TZVP
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' 3156 3014 15.10      
2 A' 3087 2948 13.25      
3 A' 3075 2937 10.85      
4 A' 1522 1453 7.67      
5 A' 1511 1443 1.60      
6 A' 1443 1378 23.48      
7 A' 1400 1337 8.57      
8 A' 1263 1206 21.11      
9 A' 1157 1105 7.32      
10 A' 1044 997 18.09      
11 A' 877 838 3.51      
12 A' 518 495 10.36      
13 A' 318 304 2.01      
14 A" 3164 3022 28.09      
15 A" 3139 2997 3.22      
16 A" 1491 1424 7.87      
17 A" 1297 1239 0.25      
18 A" 1168 1115 5.00      
19 A" 824 787 1.11      
20 A" 231 221 0.34      
21 A" 88 84 0.33      

Unscaled Zero Point Vibrational Energy (zpe) 15886.4 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 15171.5 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 wB97X-D/TZVP
ABC
1.13054 0.14828 0.13790

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.493 0.911 0.000
C2 0.000 0.669 0.000
O3 -0.216 -0.756 0.000
O4 -1.484 -1.067 0.000
H5 1.687 1.984 0.000
H6 1.958 0.478 0.886
H7 1.958 0.478 -0.886
H8 -0.482 1.080 -0.888
H9 -0.482 1.080 0.888

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9
C11.51292.38823.57421.09041.09031.09032.17272.1727
C21.51291.44132.28312.13972.15732.15731.09131.0913
O32.38821.44131.30483.33692.65202.65202.05722.0572
O43.57422.28311.30484.40053.87453.87452.52992.5299
H51.09042.13973.33694.40051.76881.76882.51282.5128
H61.09032.15732.65203.87451.76881.77193.07642.5132
H71.09032.15732.65203.87451.76881.77192.51323.0764
H82.17271.09132.05722.52992.51283.07642.51321.7766
H92.17271.09132.05722.52992.51282.51323.07641.7766

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 107.857 C1 C2 H8 112.068
C1 C2 H9 112.068 C2 C1 H5 109.480
C2 C1 H6 110.888 C2 C1 H7 110.888
C2 O3 O4 112.391 O3 C2 H8 107.845
O3 C2 H9 107.845 H5 C1 H6 108.408
H5 C1 H7 108.408 H6 C1 H7 108.698
H8 C2 H9 108.978
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.352      
2 C -0.110      
3 O -0.025      
4 O -0.185      
5 H 0.129      
6 H 0.134      
7 H 0.134      
8 H 0.137      
9 H 0.137      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.701 2.599 0.000 3.106
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.071 -1.286 0.000
y -1.286 -25.389 0.000
z 0.000 0.000 -23.147
Traceless
 xyz
x -1.803 -1.286 0.000
y -1.286 -0.780 0.000
z 0.000 0.000 2.583
Polar
3z2-r25.166
x2-y2-0.682
xy-1.286
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.918 0.960 0.000
y 0.960 4.937 0.000
z 0.000 0.000 4.109


<r2> (average value of r2) Å2
<r2> 88.962
(<r2>)1/2 9.432