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All results from a given calculation for CH2O2 (Dioxirane)

using model chemistry: CCSD=FULL/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 CCSD=FULL/6-31G*
 hartrees
Energy at 0K-189.119288
Energy at 298.15K-189.122152
HF Energy-188.601109
Nuclear repulsion energy72.905845
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=FULL/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 3121 2964 26.62      
2 A1 1603 1522 6.80      
3 A1 1335 1268 35.61      
4 A1 787 747 1.59      
5 A2 1047 994 0.00      
6 B1 3215 3053 38.69      
7 B1 1212 1151 8.71      
8 B2 1285 1221 1.58      
9 B2 946 899 17.98      

Unscaled Zero Point Vibrational Energy (zpe) 7274.4 cm-1
Scaled (by 0.9498) Zero Point Vibrational Energy (zpe) 6909.2 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=FULL/6-31G*
ABC
0.96275 0.83502 0.49241

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.729
H2 0.927 0.000 1.308
H3 -0.927 0.000 1.308
O4 0.000 0.747 -0.437
O5 0.000 -0.747 -0.437

Atom - Atom Distances (Å)
  C1 H2 H3 O4 O5
C11.09291.09291.38421.3842
H21.09291.85312.11222.1122
H31.09291.85312.11222.1122
O41.38422.11222.11221.4932
O51.38422.11222.11221.4932

picture of Dioxirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O4 O5 57.358 C1 O5 O4 57.358
H2 C1 H3 115.949 H2 C1 O4 116.522
H2 C1 O5 116.522 H3 C1 O4 116.522
H3 C1 O5 116.522 O4 C1 O5 65.283
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability