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All results from a given calculation for CH2O2 (Dioxirane)

using model chemistry: MP2=FULL/6-31+G**

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=FULL/6-31+G**
 hartrees
Energy at 0K-189.137171
Energy at 298.15K-189.140030
HF Energy-188.607163
Nuclear repulsion energy72.480300
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=FULL/6-31+G**
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 3177 2984 26.78      
2 A1 1595 1498 4.94      
3 A1 1288 1210 33.46      
4 A1 767 720 1.20      
5 A2 1039 976 0.00      
6 B1 3290 3090 22.83      
7 B1 1199 1126 7.06      
8 B2 1297 1218 0.05      
9 B2 947 890 31.90      

Unscaled Zero Point Vibrational Energy (zpe) 7299.9 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 6856.1 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=FULL/6-31+G**
ABC
0.96066 0.81776 0.48564

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.733
H2 0.925 0.000 1.299
H3 -0.925 0.000 1.299
O4 0.000 0.768 -0.437
O5 0.000 -0.768 -0.437

Atom - Atom Distances (Å)
  C1 H2 H3 O4 O5
C11.08431.08431.40011.4001
H21.08431.85032.11192.1119
H31.08431.85032.11192.1119
O41.40012.11192.11191.5368
O51.40012.11192.11191.5368

picture of Dioxirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O4 O5 56.714 C1 O5 O4 56.714
H2 C1 H3 117.125 H2 C1 O4 115.849
H2 C1 O5 115.849 H3 C1 O4 115.849
H3 C1 O5 115.849 O4 C1 O5 66.572
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability