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All results from a given calculation for CH2O2 (Dioxirane)

using model chemistry: MP2/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2/6-31G
 hartrees
Energy at 0K-188.866249
Energy at 298.15K-188.869023
HF Energy-188.493574
Nuclear repulsion energy68.978576
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 MP2/6-31G
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 3160 3023 9.47      
2 A1 1589 1521 0.92      
3 A1 1114 1066 6.65      
4 A1 686 657 1.51      
5 A2 996 953 0.00      
6 B1 3280 3138 29.87      
7 B1 1161 1110 5.78      
8 B2 1283 1227 0.48      
9 B2 863 826 27.88      

Unscaled Zero Point Vibrational Energy (zpe) 7065.4 cm-1
Scaled (by 0.9568) Zero Point Vibrational Energy (zpe) 6760.1 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 MP2/6-31G
ABC
0.89882 0.71756 0.43487

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.765
H2 0.930 0.000 1.330
H3 -0.930 0.000 1.330
O4 0.000 0.825 -0.453
O5 0.000 -0.825 -0.453

Atom - Atom Distances (Å)
  C1 H2 H3 O4 O5
C11.08731.08731.47141.4714
H21.08731.85912.17312.1731
H31.08731.85912.17312.1731
O41.47142.17312.17311.6492
O51.47142.17312.17311.6492

picture of Dioxirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O4 O5 55.916 C1 O5 O4 55.916
H2 C1 H3 117.494 H2 C1 O4 115.448
H2 C1 O5 115.448 H3 C1 O4 115.448
H3 C1 O5 115.448 O4 C1 O5 68.168
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability