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All results from a given calculation for CH2O2 (Dioxirane)

using model chemistry: B3LYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/cc-pVTZ
 hartrees
Energy at 0K-189.692859
Energy at 298.15K-189.695725
Nuclear repulsion energy73.386044
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/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3054 2952 37.24      
2 A1 1548 1496 3.44      
3 A1 1310 1267 45.51      
4 A1 823 796 1.98      
5 A2 1026 992 0.00      
6 B1 3147 3042 32.22      
7 B1 1180 1141 7.89      
8 B2 1259 1217 3.46      
9 B2 896 866 22.49      

Unscaled Zero Point Vibrational Energy (zpe) 7121.1 cm-1
Scaled (by 0.9666) Zero Point Vibrational Energy (zpe) 6883.2 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/cc-pVTZ
ABC
0.96231 0.85704 0.49973

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.731
H2 0.926 0.000 1.303
H3 -0.926 0.000 1.303
O4 0.000 0.749 -0.437
O5 0.000 -0.749 -0.437

Atom - Atom Distances (Å)
  C1 H2 H3 O4 O5
C11.08841.08841.38711.3871
H21.08841.85132.10842.1084
H31.08841.85132.10842.1084
O41.38712.10842.10841.4978
O51.38712.10842.10841.4978

picture of Dioxirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O4 O5 57.323 C1 O5 O4 57.323
H2 C1 H3 116.536 H2 C1 O4 116.277
H2 C1 O5 116.277 H3 C1 O4 116.277
H3 C1 O5 116.277 O4 C1 O5 65.355
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.179      
2 H 0.076      
3 H 0.076      
4 O -0.166      
5 O -0.166      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 2.515 2.515
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.575 0.000 0.000
y 0.000 -17.734 0.000
z 0.000 0.000 -15.667
Traceless
 xyz
x 0.125 0.000 0.000
y 0.000 -1.613 0.000
z 0.000 0.000 1.488
Polar
3z2-r22.976
x2-y21.159
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.353 0.000 0.000
y 0.000 2.876 0.000
z 0.000 0.000 3.172


<r2> (average value of r2) Å2
<r2> 30.746
(<r2>)1/2 5.545