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All results from a given calculation for CH2O2 (Dioxirane)

using model chemistry: CCD/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCD/6-31G
 hartrees
Energy at 0K-188.865661
Energy at 298.15K-188.868449
HF Energy-188.497412
Nuclear repulsion energy69.796457
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 CCD/6-31G
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 3129 3003 7.51      
2 A1 1578 1514 0.66      
3 A1 1177 1130 10.77      
4 A1 704 675 0.46      
5 A2 1023 981 0.00      
6 B1 3235 3104 27.73      
7 B1 1161 1114 7.60      
8 B2 1274 1222 0.61      
9 B2 848 813 15.88      

Unscaled Zero Point Vibrational Energy (zpe) 7064.4 cm-1
Scaled (by 0.9595) Zero Point Vibrational Energy (zpe) 6778.3 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 CCD/6-31G
ABC
0.90521 0.74668 0.44703

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.761
H2 0.930 0.000 1.329
H3 -0.930 0.000 1.329
O4 0.000 0.807 -0.451
O5 0.000 -0.807 -0.451

Atom - Atom Distances (Å)
  C1 H2 H3 O4 O5
C11.09021.09021.45641.4564
H21.09021.86072.16512.1651
H31.09021.86072.16512.1651
O41.45642.16512.16511.6140
O51.45642.16512.16511.6140

picture of Dioxirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O4 O5 56.351 C1 O5 O4 56.351
H2 C1 H3 117.166 H2 C1 O4 115.717
H2 C1 O5 115.717 H3 C1 O4 115.717
H3 C1 O5 115.717 O4 C1 O5 67.297
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability