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All results from a given calculation for CH2O2 (Dioxirane)

using model chemistry: CCSD/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCSD/6-311G**
 hartrees
Energy at 0K-189.209434
Energy at 298.15K-189.212313
HF Energy-188.652567
Nuclear repulsion energy73.493880
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 CCSD/6-311G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3116 3116 30.99      
2 A1 1589 1589 5.85      
3 A1 1348 1348 41.75      
4 A1 786 786 0.98      
5 A2 1061 1061 0.00      
6 B1 3209 3209 36.63      
7 B1 1211 1211 13.04      
8 B2 1299 1299 0.99      
9 B2 949 949 21.33      

Unscaled Zero Point Vibrational Energy (zpe) 7283.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7283.4 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 CCSD/6-311G**
ABC
0.96914 0.85602 0.50138

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.727
H2 0.927 0.000 1.300
H3 -0.927 0.000 1.300
O4 0.000 0.749 -0.435
O5 0.000 -0.749 -0.435

Atom - Atom Distances (Å)
  C1 H2 H3 O4 O5
C11.09011.09011.38271.3827
H21.09011.85422.10542.1054
H31.09011.85422.10542.1054
O41.38272.10542.10541.4986
O51.38272.10542.10541.4986

picture of Dioxirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O4 O5 57.186 C1 O5 O4 57.186
H2 C1 H3 116.525 H2 C1 O4 116.238
H2 C1 O5 116.238 H3 C1 O4 116.238
H3 C1 O5 116.238 O4 C1 O5 65.628
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability