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

using model chemistry: PBEPBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-229.285719
Energy at 298.15K-229.291502
HF Energy-229.285719
Nuclear repulsion energy122.796980
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 PBEPBE/cc-pVDZ
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' 3075 3057 9.58      
2 A' 2987 2970 9.00      
3 A' 2982 2964 15.19      
4 A' 1427 1419 5.06      
5 A' 1411 1403 0.55      
6 A' 1345 1337 17.68      
7 A' 1297 1289 13.72      
8 A' 1142 1135 9.35      
9 A' 1092 1086 0.67      
10 A' 990 984 11.33      
11 A' 789 784 0.67      
12 A' 489 486 9.06      
13 A' 289 288 1.35      
14 A" 3078 3060 18.64      
15 A" 3037 3020 9.21      
16 A" 1404 1396 7.20      
17 A" 1209 1202 0.13      
18 A" 1080 1073 4.90      
19 A" 769 764 2.65      
20 A" 205 204 0.27      
21 A" 68 68 0.54      

Unscaled Zero Point Vibrational Energy (zpe) 15081.5 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 14994.1 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 PBEPBE/cc-pVDZ
ABC
1.09668 0.14506 0.13481

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.493 0.937 0.000
C2 0.000 0.682 0.000
O3 -0.203 -0.779 0.000
O4 -1.493 -1.083 0.000
H5 1.686 2.028 0.000
H6 1.973 0.501 0.899
H7 1.973 0.501 -0.899
H8 -0.511 1.077 -0.902
H9 -0.511 1.077 0.902

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9
C11.51442.41203.60451.10791.10791.10792.20202.2020
C21.51441.47422.31132.15762.17522.17521.10951.1095
O32.41201.47421.32513.38292.67952.67952.08592.0859
O43.60452.31131.32514.44773.91503.91502.53822.5382
H51.10792.15763.38294.44771.79411.79412.55862.5586
H61.10792.17522.67953.91501.79411.79723.12132.5496
H71.10792.17522.67953.91501.79411.79722.54963.1213
H82.20201.10952.08592.53822.55863.12132.54961.8040
H92.20201.10952.08592.53822.55862.54963.12131.8040

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 107.618 C1 C2 H8 113.207
C1 C2 H9 113.207 C2 C1 H5 109.764
C2 C1 H6 111.154 C2 C1 H7 111.154
C2 O3 O4 111.205 O3 C2 H8 106.820
O3 C2 H9 106.820 H5 C1 H6 108.131
H5 C1 H7 108.131 H6 C1 H7 108.404
H8 C2 H9 108.772
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.091      
2 C 0.086      
3 O -0.093      
4 O -0.161      
5 H 0.050      
6 H 0.055      
7 H 0.055      
8 H 0.050      
9 H 0.050      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.630 2.288 0.000 2.809
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.623 -1.135 0.000
y -1.135 -24.947 0.000
z 0.000 0.000 -23.123
Traceless
 xyz
x -1.588 -1.135 0.000
y -1.135 -0.574 0.000
z 0.000 0.000 2.162
Polar
3z2-r24.324
x2-y2-0.676
xy-1.135
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.733 1.062 0.000
y 1.062 4.820 0.000
z 0.000 0.000 3.842


<r2> (average value of r2) Å2
<r2> 90.478
(<r2>)1/2 9.512