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

using model chemistry: B3PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B3PW91/6-31G
 hartrees
Energy at 0K-229.382153
Energy at 298.15K-229.388018
HF Energy-229.382153
Nuclear repulsion energy121.666984
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 B3PW91/6-31G
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' 3160 3026 15.74      
2 A' 3097 2966 10.61      
3 A' 3073 2943 11.06      
4 A' 1545 1480 10.96      
5 A' 1536 1471 2.60      
6 A' 1462 1401 18.05      
7 A' 1397 1338 15.52      
8 A' 1158 1109 6.63      
9 A' 1059 1014 12.38      
10 A' 1042 998 22.11      
11 A' 821 786 3.85      
12 A' 487 467 9.92      
13 A' 296 283 1.33      
14 A" 3179 3045 31.75      
15 A" 3154 3021 0.75      
16 A" 1527 1462 10.29      
17 A" 1296 1241 0.04      
18 A" 1163 1113 6.27      
19 A" 833 798 3.10      
20 A" 215 206 0.49      
21 A" 67 64 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 15782.3 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 15114.7 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 B3PW91/6-31G
ABC
1.08561 0.14241 0.13220

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.490 0.953 0.000
C2 0.000 0.699 0.000
O3 -0.181 -0.780 0.000
O4 -1.512 -1.114 0.000
H5 1.681 2.032 0.000
H6 1.962 0.522 0.888
H7 1.962 0.522 -0.888
H8 -0.502 1.082 -0.893
H9 -0.502 1.082 0.893

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9
C11.51202.40773.64571.09511.09381.09382.18662.1866
C21.51201.48972.36092.14572.16052.16051.09321.0932
O32.40771.48971.37303.37242.65922.65922.08952.0895
O43.64572.36091.37304.48293.94113.94112.57702.5770
H51.09512.14573.37244.48291.77401.77402.54252.5425
H61.09382.16052.65923.94111.77401.77523.09042.5262
H71.09382.16052.65923.94111.77401.77522.52623.0904
H82.18661.09322.08952.57702.54253.09042.52621.7853
H92.18661.09322.08952.57702.54252.52623.09041.7853

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 106.659 C1 C2 H8 113.155
C1 C2 H9 113.155 C2 C1 H5 109.736
C2 C1 H6 110.991 C2 C1 H7 110.991
C2 O3 O4 111.051 O3 C2 H8 106.989
O3 C2 H9 106.989 H5 C1 H6 108.279
H5 C1 H7 108.279 H6 C1 H7 108.480
H8 C2 H9 109.481
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.502      
2 C -0.079      
3 O -0.249      
4 O -0.133      
5 H 0.179      
6 H 0.192      
7 H 0.192      
8 H 0.199      
9 H 0.199      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.548 2.902 0.000 3.290
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.428 -1.172 0.000
y -1.172 -25.340 0.000
z 0.000 0.000 -23.055
Traceless
 xyz
x -1.231 -1.172 0.000
y -1.172 -1.098 0.000
z 0.000 0.000 2.329
Polar
3z2-r24.658
x2-y2-0.088
xy-1.172
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.403 1.145 0.000
y 1.145 4.413 0.000
z 0.000 0.000 3.444


<r2> (average value of r2) Å2
<r2> 91.646
(<r2>)1/2 9.573