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

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-31G
 hartrees
Energy at 0K-229.229558
Energy at 298.15K-229.235447
HF Energy-229.229558
Nuclear repulsion energy122.026272
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 HSEh1PBE/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' 3175 3037 14.31      
2 A' 3109 2974 10.50      
3 A' 3085 2951 10.15      
4 A' 1549 1482 11.12      
5 A' 1540 1473 2.82      
6 A' 1466 1403 19.92      
7 A' 1404 1343 14.65      
8 A' 1166 1115 6.62      
9 A' 1072 1025 21.27      
10 A' 1055 1009 19.52      
11 A' 834 797 3.78      
12 A' 494 472 9.86      
13 A' 298 286 1.34      
14 A" 3193 3054 29.43      
15 A" 3167 3030 1.25      
16 A" 1530 1463 10.63      
17 A" 1301 1245 0.04      
18 A" 1170 1120 6.53      
19 A" 836 800 3.08      
20 A" 217 207 0.51      
21 A" 67 64 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 15863.9 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 15175.5 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 HSEh1PBE/6-31G
ABC
1.08975 0.14341 0.13311

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.488 0.946 0.000
C2 0.000 0.697 0.000
O3 -0.182 -0.776 0.000
O4 -1.509 -1.107 0.000
H5 1.684 2.023 0.000
H6 1.957 0.512 0.887
H7 1.957 0.512 -0.887
H8 -0.500 1.082 -0.892
H9 -0.500 1.082 0.892

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9
C11.50892.39863.63301.09441.09331.09332.18322.1832
C21.50891.48352.35192.14372.15662.15661.09291.0929
O32.39861.48351.36773.36372.64942.64942.08552.0855
O43.63302.35191.36774.47153.92693.92692.57082.5708
H51.09442.14373.36374.47151.77331.77332.53982.5398
H61.09332.15662.64943.92691.77331.77393.08662.5224
H71.09332.15662.64943.92691.77331.77392.52243.0866
H82.18321.09292.08552.57082.53983.08662.52241.7841
H92.18321.09292.08552.57082.53982.52243.08661.7841

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 106.561 C1 C2 H8 113.126
C1 C2 H9 113.126 C2 C1 H5 109.840
C2 C1 H6 110.938 C2 C1 H7 110.938
C2 O3 O4 111.084 O3 C2 H8 107.110
O3 C2 H9 107.110 H5 C1 H6 108.299
H5 C1 H7 108.299 H6 C1 H7 108.442
H8 C2 H9 109.413
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.510      
2 C -0.081      
3 O -0.256      
4 O -0.126      
5 H 0.182      
6 H 0.195      
7 H 0.195      
8 H 0.201      
9 H 0.201      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.509 2.872 0.000 3.245
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.463 -1.131 0.000
y -1.131 -25.385 0.000
z 0.000 0.000 -23.117
Traceless
 xyz
x -1.212 -1.131 0.000
y -1.131 -1.095 0.000
z 0.000 0.000 2.307
Polar
3z2-r24.615
x2-y2-0.078
xy-1.131
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.376 1.124 0.000
y 1.124 4.372 0.000
z 0.000 0.000 3.438


<r2> (average value of r2) Å2
<r2> 91.190
(<r2>)1/2 9.549