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All results from a given calculation for CH3C(O)OO (acetyl peroxy radical)

using model chemistry: wB97X-D/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/cc-pVDZ
 hartrees
Energy at 0K-303.473094
Energy at 298.15K-303.477133
HF Energy-303.473094
Nuclear repulsion energy171.491754
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 wB97X-D/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' 3218 3065 1.21      
2 A' 3094 2948 0.28      
3 A' 1939 1847 271.51      
4 A' 1465 1396 10.92      
5 A' 1414 1347 39.29      
6 A' 1260 1200 21.21      
7 A' 1176 1120 184.03      
8 A' 1006 958 33.08      
9 A' 770 734 51.00      
10 A' 574 547 7.93      
11 A' 513 488 14.62      
12 A' 337 321 9.39      
13 A" 3176 3025 0.12      
14 A" 1478 1408 12.08      
15 A" 1052 1002 10.20      
16 A" 545 519 7.28      
17 A" 140 134 1.52      
18 A" 127 121 0.53      

Unscaled Zero Point Vibrational Energy (zpe) 11641.0 cm-1
Scaled (by 0.9526) Zero Point Vibrational Energy (zpe) 11089.2 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 wB97X-D/cc-pVDZ
ABC
0.30984 0.16238 0.10868

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.440 0.206 0.000
C2 0.000 0.518 0.000
O3 -0.462 1.650 0.000
O4 -0.954 -0.505 0.000
O5 -0.339 -1.736 0.000
H6 1.987 1.144 0.000
H7 1.704 -0.380 0.882
H8 1.704 -0.380 -0.882

Atom - Atom Distances (Å)
  C1 C2 O3 O4 O5 H6 H7 H8
C11.47372.38832.49752.63461.08561.09101.0910
C21.47371.22291.39852.27952.08352.11842.1184
O32.38831.22292.21063.38852.50083.09693.0969
O42.49751.39852.21061.37583.37172.80312.8031
O52.63462.27953.38851.37583.70262.60642.6064
H61.08562.08352.50083.37173.70261.78331.7833
H71.09102.11843.09692.80312.60641.78331.7631
H81.09102.11843.09692.80312.60641.78331.7631

picture of acetyl peroxy radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 124.401 C1 C2 O4 120.786
C2 C1 H6 108.030 C2 C1 H7 110.486
C2 C1 H8 110.486 C2 O4 O5 110.492
O3 C2 O4 114.813 H6 C1 H7 110.021
H6 C1 H8 110.021 H7 C1 H8 107.803
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.410      
2 C 0.344      
3 O -0.356      
4 O -0.073      
5 O -0.130      
6 H 0.204      
7 H 0.211      
8 H 0.211      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.879 -0.368 0.000 2.902
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.474 0.950 0.000
y 0.950 -34.538 0.000
z 0.000 0.000 -26.569
Traceless
 xyz
x 3.080 0.950 0.000
y 0.950 -7.517 0.000
z 0.000 0.000 4.437
Polar
3z2-r28.874
x2-y27.064
xy0.950
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.026 -0.423 0.000
y -0.423 7.184 0.000
z 0.000 0.000 3.598


<r2> (average value of r2) Å2
<r2> 103.445
(<r2>)1/2 10.171