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

using model chemistry: B3LYP/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-229.637341
Energy at 298.15K-229.643272
HF Energy-229.637341
Nuclear repulsion energy123.844521
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/Def2TZVPP
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' 3113 2997 16.11      
2 A' 3060 2945 12.78      
3 A' 3046 2933 10.28      
4 A' 1508 1452 6.42      
5 A' 1496 1440 1.22      
6 A' 1421 1367 14.65      
7 A' 1382 1330 14.14      
8 A' 1197 1152 14.98      
9 A' 1134 1091 4.56      
10 A' 1016 978 17.43      
11 A' 841 810 3.90      
12 A' 503 484 10.33      
13 A' 308 296 1.45      
14 A" 3126 3009 30.23      
15 A" 3102 2986 0.56      
16 A" 1486 1431 6.66      
17 A" 1278 1230 0.29      
18 A" 1150 1107 4.21      
19 A" 805 775 1.19      
20 A" 222 214 0.33      
21 A" 78 75 0.41      

Unscaled Zero Point Vibrational Energy (zpe) 15634.6 cm-1
Scaled (by 0.9626) Zero Point Vibrational Energy (zpe) 15049.9 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 B3LYP/Def2TZVPP
ABC
1.12448 0.14681 0.13652

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.496 0.924 0.000
C2 0.000 0.674 0.000
O3 -0.215 -0.757 0.000
O4 -1.487 -1.084 0.000
H5 1.688 1.996 0.000
H6 1.963 0.492 0.885
H7 1.963 0.492 -0.885
H8 -0.487 1.081 -0.887
H9 -0.487 1.081 0.887

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9
C11.51632.39823.59501.08981.08971.08972.17722.1772
C21.51631.44682.30212.14462.16072.16071.09031.0903
O32.39821.44681.31283.34712.66212.66212.05832.0583
O43.59502.30211.31284.42353.89433.89432.54402.5440
H51.08982.14463.34714.42351.76661.76662.52092.5209
H61.08972.16072.66213.89431.76661.76923.07972.5193
H71.08972.16072.66213.89431.76661.76922.51933.0797
H82.17721.09032.05832.54402.52093.07972.51931.7736
H92.17721.09032.05832.54402.52092.51933.07971.7736

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 108.042 C1 C2 H8 112.255
C1 C2 H9 112.255 C2 C1 H5 109.667
C2 C1 H6 110.963 C2 C1 H7 110.963
C2 O3 O4 112.981 O3 C2 H8 107.614
O3 C2 H9 107.614 H5 C1 H6 108.308
H5 C1 H7 108.308 H6 C1 H7 108.550
H8 C2 H9 108.849
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.237      
2 C -0.013      
3 O -0.040      
4 O -0.198      
5 H 0.084      
6 H 0.094      
7 H 0.094      
8 H 0.108      
9 H 0.108      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.714 2.503 0.000 3.033
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.204 -1.262 0.000
y -1.262 -25.539 0.000
z 0.000 0.000 -23.417
Traceless
 xyz
x -1.726 -1.262 0.000
y -1.262 -0.728 0.000
z 0.000 0.000 2.455
Polar
3z2-r24.909
x2-y2-0.665
xy-1.262
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.257 1.068 0.000
y 1.068 5.314 0.000
z 0.000 0.000 4.298


<r2> (average value of r2) Å2
<r2> 89.738
(<r2>)1/2 9.473