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

using model chemistry: B97D3/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B97D3/6-311+G(3df,2p)
 hartrees
Energy at 0K-229.490637
Energy at 298.15K-229.496468
HF Energy-229.490637
Nuclear repulsion energy123.171771
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 B97D3/6-311+G(3df,2p)
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' 3060 3020 17.84      
2 A' 3000 2961 13.74      
3 A' 2989 2951 13.43      
4 A' 1476 1457 6.14      
5 A' 1459 1440 1.49      
6 A' 1384 1366 11.02      
7 A' 1341 1323 16.61      
8 A' 1143 1128 9.69      
9 A' 1099 1084 0.75      
10 A' 976 963 12.79      
11 A' 786 776 1.97      
12 A' 487 481 9.53      
13 A' 298 294 1.35      
14 A" 3073 3033 33.23      
15 A" 3047 3007 1.17      
16 A" 1457 1438 6.59      
17 A" 1244 1228 0.23      
18 A" 1112 1098 3.81      
19 A" 785 774 1.32      
20 A" 210 207 0.25      
21 A" 73 72 0.54      

Unscaled Zero Point Vibrational Energy (zpe) 15249.1 cm-1
Scaled (by 0.987) Zero Point Vibrational Energy (zpe) 15050.9 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 B97D3/6-311+G(3df,2p)
ABC
1.11116 0.14516 0.13496

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.493 0.936 0.000
C2 0.000 0.686 0.000
O3 -0.208 -0.775 0.000
O4 -1.489 -1.089 0.000
H5 1.679 2.015 0.000
H6 1.965 0.508 0.889
H7 1.965 0.508 -0.889
H8 -0.500 1.073 -0.893
H9 -0.500 1.073 0.893

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9
C11.51392.41253.60411.09451.09351.09352.18852.1885
C21.51391.47622.31652.14082.16432.16431.09411.0941
O32.41251.47621.31893.36772.67542.67542.07352.0735
O43.60412.31651.31894.43433.90753.90752.53922.5392
H51.09452.14083.36774.43431.77231.77232.53622.5362
H61.09352.16432.67543.90751.77231.77753.09382.5294
H71.09352.16432.67543.90751.77231.77752.52943.0938
H82.18851.09412.07352.53922.53623.09382.52941.7857
H92.18851.09412.07352.53922.53622.52943.09381.7857

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 108.184 C1 C2 H8 112.315
C1 C2 H9 112.315 C2 C1 H5 109.591
C2 C1 H6 111.005 C2 C1 H7 111.005
C2 O3 O4 113.350 O3 C2 H8 107.497
O3 C2 H9 107.497 H5 C1 H6 108.291
H5 C1 H7 108.291 H6 C1 H7 108.576
H8 C2 H9 108.808
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.355      
2 C 0.225      
3 O -0.233      
4 O -0.280      
5 H 0.131      
6 H 0.130      
7 H 0.130      
8 H 0.126      
9 H 0.126      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.825 2.556 0.000 3.141
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.195 -1.295 0.000
y -1.295 -25.607 0.000
z 0.000 0.000 -23.438
Traceless
 xyz
x -1.673 -1.295 0.000
y -1.295 -0.790 0.000
z 0.000 0.000 2.463
Polar
3z2-r24.926
x2-y2-0.588
xy-1.295
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.804 1.158 0.000
y 1.158 5.957 0.000
z 0.000 0.000 4.658


<r2> (average value of r2) Å2
<r2> 90.580
(<r2>)1/2 9.517