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

using model chemistry: LSDA/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at LSDA/6-31G**
 hartrees
Energy at 0K-228.362050
Energy at 298.15K-228.367886
HF Energy-228.362050
Nuclear repulsion energy124.579391
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 LSDA/6-31G**
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' 3100 3042 4.50      
2 A' 3007 2951 5.83      
3 A' 2989 2933 9.09      
4 A' 1448 1421 8.97      
5 A' 1429 1402 1.91      
6 A' 1365 1340 31.31      
7 A' 1310 1286 3.77      
8 A' 1237 1214 6.49      
9 A' 1121 1100 3.26      
10 A' 1033 1014 10.35      
11 A' 831 816 0.23      
12 A' 509 500 10.39      
13 A' 296 291 1.40      
14 A" 3099 3041 8.42      
15 A" 3043 2986 7.53      
16 A" 1426 1399 10.09      
17 A" 1217 1194 0.02      
18 A" 1097 1077 5.02      
19 A" 767 752 3.98      
20 A" 209 205 0.23      
21 A" 67 66 0.67      

Unscaled Zero Point Vibrational Energy (zpe) 15300.0 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 15013.9 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 LSDA/6-31G**
ABC
1.12534 0.14973 0.13918

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.475 0.914 0.000
C2 0.000 0.666 0.000
O3 -0.201 -0.761 0.000
O4 -1.474 -1.060 0.000
H5 1.676 1.997 0.000
H6 1.950 0.479 0.893
H7 1.950 0.479 -0.893
H8 -0.511 1.065 -0.895
H9 -0.511 1.065 0.895

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9
C11.49552.37023.54841.10111.10141.10142.18332.1833
C21.49551.44182.26962.13972.15282.15281.10491.1049
O32.37021.44181.30683.33642.63882.63882.05732.0573
O43.54842.26961.30684.38893.85813.85812.49852.4985
H51.10112.13973.33644.38891.78271.78272.53982.5398
H61.10142.15282.63883.85811.78271.78623.09782.5297
H71.10142.15282.63883.85811.78271.78622.52973.0978
H82.18331.10492.05732.49852.53983.09782.52971.7896
H92.18331.10492.05732.49852.53982.52973.09781.7896

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 107.580 C1 C2 H8 113.343
C1 C2 H9 113.343 C2 C1 H5 110.057
C2 C1 H6 111.079 C2 C1 H7 111.079
C2 O3 O4 111.231 O3 C2 H8 107.021
O3 C2 H9 107.021 H5 C1 H6 108.079
H5 C1 H7 108.079 H6 C1 H7 108.361
H8 C2 H9 108.162
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.465      
2 C -0.054      
3 O -0.121      
4 O -0.194      
5 H 0.162      
6 H 0.170      
7 H 0.170      
8 H 0.166      
9 H 0.166      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.760 2.446 0.000 3.014
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.492 -1.248 0.000
y -1.248 -24.885 0.000
z 0.000 0.000 -22.992
Traceless
 xyz
x -1.553 -1.248 0.000
y -1.248 -0.644 0.000
z 0.000 0.000 2.197
Polar
3z2-r24.394
x2-y2-0.607
xy-1.248
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.429 0.971 0.000
y 0.971 4.667 0.000
z 0.000 0.000 3.811


<r2> (average value of r2) Å2
<r2> 88.172
(<r2>)1/2 9.390