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All results from a given calculation for H2COO (Dioxymethyl radical)

using model chemistry: CCD/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at CCD/6-31+G**
 hartrees
Energy at 0K-189.080498
Energy at 298.15K-189.083071
HF Energy-188.566459
Nuclear repulsion energy69.903601
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/6-31+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 A' 3375 3180 0.36      
2 A' 3221 3035 4.59      
3 A' 1629 1535 36.42      
4 A' 1460 1376 15.09      
5 A' 1272 1199 21.87      
6 A' 792 746 233.43      
7 A' 518 488 7.57      
8 A" 1030 970 32.05      
9 A" 702 662 1.63      

Unscaled Zero Point Vibrational Energy (zpe) 6999.1 cm-1
Scaled (by 0.9423) Zero Point Vibrational Energy (zpe) 6595.3 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/6-31+G**
ABC
2.61763 0.41532 0.35845

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.470 0.000
C2 1.067 -0.180 0.000
H3 1.023 -1.261 0.000
H4 1.974 0.407 0.000
O5 -1.175 -0.228 0.000

Atom - Atom Distances (Å)
  O1 C2 H3 H4 O5
O11.24932.01061.97461.3667
C21.24931.08201.07992.2421
H32.01061.08201.91982.4279
H41.97461.07991.91983.2117
O51.36672.24212.42793.2117

picture of Dioxymethyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 H3 119.007 O1 C2 H4 115.751
C2 O1 O5 117.914 H3 C2 H4 125.241
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability