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All results from a given calculation for CH2O2 (Dioxirane)

using model chemistry: wB97X-D/aug-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 wB97X-D/aug-cc-pVTZ
 hartrees
Energy at 0K-189.632454
Energy at 298.15K-189.635351
HF Energy-189.632454
Nuclear repulsion energy74.143544
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/aug-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 3079 2945 34.46      
2 A1 1558 1491 3.75      
3 A1 1362 1303 47.63      
4 A1 875 837 2.08      
5 A2 1045 1000 0.00      
6 B1 3175 3037 22.03      
7 B1 1187 1135 7.51      
8 B2 1276 1221 3.68      
9 B2 932 892 28.29      

Unscaled Zero Point Vibrational Energy (zpe) 7244.5 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 6930.0 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/aug-cc-pVTZ
ABC
0.96587 0.88884 0.51149

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.727
H2 0.925 0.000 1.301
H3 -0.925 0.000 1.301
O4 0.000 0.731 -0.435
O5 0.000 -0.731 -0.435

Atom - Atom Distances (Å)
  C1 H2 H3 O4 O5
C11.08891.08891.37341.3734
H21.08891.85092.09912.0991
H31.08891.85092.09912.0991
O41.37342.09912.09911.4617
O51.37342.09912.09911.4617

picture of Dioxirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O4 O5 57.849 C1 O5 O4 57.849
H2 C1 H3 116.399 H2 C1 O4 116.497
H2 C1 O5 116.497 H3 C1 O4 116.497
H3 C1 O5 116.497 O4 C1 O5 64.302
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.158      
2 H 0.280      
3 H 0.280      
4 O -0.359      
5 O -0.359      


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 2.519 2.519
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.536 0.000 0.000
y 0.000 -17.859 0.000
z 0.000 0.000 -15.582
Traceless
 xyz
x 0.184 0.000 0.000
y 0.000 -1.800 0.000
z 0.000 0.000 1.615
Polar
3z2-r23.230
x2-y21.323
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.803 0.000 0.000
y 0.000 3.254 0.000
z 0.000 0.000 3.453


<r2> (average value of r2) Å2
<r2> 30.355
(<r2>)1/2 5.510