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

using model chemistry: TPSSh/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 TPSSh/cc-pVTZ
 hartrees
Energy at 0K-229.632229
Energy at 298.15K-229.638115
HF Energy-229.632229
Nuclear repulsion energy123.604959
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 TPSSh/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' 3110 3012 18.78      
2 A' 3053 2956 13.70      
3 A' 3040 2944 11.94      
4 A' 1516 1468 4.85      
5 A' 1502 1454 0.94      
6 A' 1419 1374 11.83      
7 A' 1375 1332 16.98      
8 A' 1174 1137 13.88      
9 A' 1130 1095 3.65      
10 A' 1011 979 16.34      
11 A' 832 806 3.59      
12 A' 490 474 9.79      
13 A' 294 285 1.42      
14 A" 3123 3024 34.97      
15 A" 3097 2999 0.97      
16 A" 1496 1448 5.87      
17 A" 1275 1235 0.24      
18 A" 1145 1109 4.23      
19 A" 793 768 1.22      
20 A" 214 208 0.36      
21 A" 74 71 0.39      

Unscaled Zero Point Vibrational Energy (zpe) 15581.0 cm-1
Scaled (by 0.9683) Zero Point Vibrational Energy (zpe) 15087.1 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 TPSSh/cc-pVTZ
ABC
1.11465 0.14666 0.13628

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.497 0.920 0.000
C2 0.000 0.674 0.000
O3 -0.212 -0.759 0.000
O4 -1.491 -1.077 0.000
H5 1.691 1.994 0.000
H6 1.963 0.486 0.886
H7 1.963 0.486 -0.886
H8 -0.487 1.079 -0.889
H9 -0.487 1.079 0.889

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9
C11.51732.39633.59391.09111.09101.09102.18042.1804
C21.51731.44892.29952.14492.16162.16161.09161.0916
O32.39631.44891.31753.34682.65822.65822.06072.0607
O43.59392.29951.31754.42163.89293.89292.53892.5389
H51.09112.14493.34684.42161.76991.76992.52392.5239
H61.09102.16162.65823.89291.76991.77233.08302.5209
H71.09102.16162.65823.89291.76991.77232.52093.0830
H82.18041.09162.06072.53892.52393.08302.52091.7772
H92.18041.09162.06072.53892.52392.52093.08301.7772

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 107.755 C1 C2 H8 112.357
C1 C2 H9 112.357 C2 C1 H5 109.545
C2 C1 H6 110.884 C2 C1 H7 110.884
C2 O3 O4 112.364 O3 C2 H8 107.582
O3 C2 H9 107.582 H5 C1 H6 108.412
H5 C1 H7 108.412 H6 C1 H7 108.633
H8 C2 H9 108.979
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.229      
2 C 0.060      
3 O -0.056      
4 O -0.184      
5 H 0.079      
6 H 0.087      
7 H 0.087      
8 H 0.078      
9 H 0.078      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.657 2.410 0.000 2.924
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.172 1.074 0.000
y 1.074 5.190 0.000
z 0.000 0.000 4.162


<r2> (average value of r2) Å2
<r2> 89.637
(<r2>)1/2 9.468