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All results from a given calculation for CH2O2 (Dioxirane)

using model chemistry: B2PLYP/daug-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 B2PLYP/daug-cc-pVTZ
 hartrees
Energy at 0K-189.572357
Energy at 298.15K 
HF Energy-189.354560
Nuclear repulsion energy73.135328
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 B2PLYP/daug-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 3091 3091 34.06      
2 A1 1555 1555 1.75      
3 A1 1293 1293 44.09      
4 A1 787 787 1.28      
5 A2 1035 1035 0.00      
6 B1 3189 3189 20.57      
7 B1 1182 1182 7.00      
8 B2 1273 1273 3.64      
9 B2 897 897 25.22      

Unscaled Zero Point Vibrational Energy (zpe) 7150.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7150.6 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 B2PLYP/daug-cc-pVTZ
ABC
0.96557 0.84284 0.49573

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/daug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.730
H2 0.926 0.000 1.298
H3 -0.926 0.000 1.298
O4 0.000 0.756 -0.436
O5 0.000 -0.756 -0.436

Atom - Atom Distances (Å)
  C1 H2 H3 O4 O5
C11.08571.08571.38981.3898
H21.08571.85132.10572.1057
H31.08571.85132.10572.1057
O41.38982.10572.10571.5116
O51.38982.10572.10571.5116

picture of Dioxirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O4 O5 57.055 C1 O5 O4 57.055
H2 C1 H3 116.982 H2 C1 O4 116.014
H2 C1 O5 116.014 H3 C1 O4 116.014
H3 C1 O5 116.014 O4 C1 O5 65.891
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.034      
2 H 0.624      
3 H 0.624      
4 O -0.607      
5 O -0.607      


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 2.568 2.568
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.839 0.000 0.008
y 0.000 -18.041 0.000
z 0.008 0.000 -15.875
Traceless
 xyz
x 0.119 0.000 0.008
y 0.000 -1.684 0.000
z 0.008 0.000 1.565
Polar
3z2-r23.130
x2-y21.202
xy0.000
xz0.008
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.860 0.000 -0.016
y 0.000 3.389 0.000
z -0.016 0.000 3.529


<r2> (average value of r2) Å2
<r2> 31.030
(<r2>)1/2 5.570