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

using model chemistry: B3LYP/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B3LYP/LANL2DZ
 hartrees
Energy at 0K-229.525145
Energy at 298.15K-229.530970
HF Energy-229.525145
Nuclear repulsion energy120.787199
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 B3LYP/LANL2DZ
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' 3151 3028 28.58      
2 A' 3089 2970 17.04      
3 A' 3059 2941 15.52      
4 A' 1527 1468 13.61      
5 A' 1515 1457 4.84      
6 A' 1444 1388 23.73      
7 A' 1386 1332 12.21      
8 A' 1141 1096 7.37      
9 A' 1089 1046 19.00      
10 A' 1029 990 18.44      
11 A' 810 778 3.68      
12 A' 474 456 10.11      
13 A' 291 280 1.31      
14 A" 3174 3051 53.07      
15 A" 3149 3026 0.03      
16 A" 1506 1448 12.02      
17 A" 1275 1226 0.09      
18 A" 1147 1103 6.18      
19 A" 820 788 4.49      
20 A" 208 200 0.52      
21 A" 71 69 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 15677.5 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 15069.2 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 B3LYP/LANL2DZ
ABC
1.07468 0.13997 0.12997

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.502 0.964 0.000
C2 0.000 0.704 0.000
O3 -0.182 -0.787 0.000
O4 -1.524 -1.126 0.000
H5 1.685 2.046 0.000
H6 1.976 0.535 0.889
H7 1.976 0.535 -0.889
H8 -0.500 1.088 -0.895
H9 -0.500 1.088 0.895

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9
C11.52482.43033.67831.09721.09551.09552.19742.1974
C21.52481.50252.38192.15392.17372.17371.09521.0952
O32.43031.50251.38383.39332.68282.68282.10242.1024
O43.67832.38191.38384.51233.97503.97502.59892.5989
H51.09722.15393.39334.51231.77791.77792.54832.5483
H61.09552.17372.68283.97501.77791.77893.10242.5376
H71.09552.17372.68283.97501.77791.77892.53763.1024
H82.19741.09522.10242.59892.54833.10242.53761.7906
H92.19741.09522.10242.59892.54832.53763.10241.7906

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 106.792 C1 C2 H8 112.980
C1 C2 H9 112.980 C2 C1 H5 109.381
C2 C1 H6 111.048 C2 C1 H7 111.048
C2 O3 O4 111.162 O3 C2 H8 107.014
O3 C2 H9 107.014 H5 C1 H6 108.355
H5 C1 H7 108.355 H6 C1 H7 108.573
H8 C2 H9 109.668
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.615      
2 C -0.202      
3 O -0.129      
4 O -0.147      
5 H 0.204      
6 H 0.224      
7 H 0.224      
8 H 0.221      
9 H 0.221      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.643 3.036 0.000 3.452
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.684 -1.309 0.000
y -1.309 -25.437 0.000
z 0.000 0.000 -22.961
Traceless
 xyz
x -1.486 -1.309 0.000
y -1.309 -1.114 0.000
z 0.000 0.000 2.599
Polar
3z2-r25.199
x2-y2-0.248
xy-1.309
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.522 1.226 0.000
y 1.226 4.450 0.000
z 0.000 0.000 3.364


<r2> (average value of r2) Å2
<r2> 92.937
(<r2>)1/2 9.640