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

using model chemistry: CCD/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-189.131854
Energy at 298.15K-189.134424
HF Energy-188.587968
Nuclear repulsion energy69.982860
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/aug-cc-pVDZ
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' 3314 3197 0.53      
2 A' 3156 3044 3.83      
3 A' 1600 1544 38.58      
4 A' 1429 1378 11.37      
5 A' 1248 1203 21.03      
6 A' 775 748 237.27      
7 A' 517 499 10.32      
8 A" 1022 986 25.62      
9 A" 700 675 2.18      

Unscaled Zero Point Vibrational Energy (zpe) 6880.3 cm-1
Scaled (by 0.9645) Zero Point Vibrational Energy (zpe) 6636.0 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/aug-cc-pVDZ
ABC
2.58524 0.41887 0.36047

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.472 0.000
C2 1.062 -0.187 0.000
H3 1.003 -1.281 0.000
H4 1.983 0.400 0.000
O5 -1.170 -0.222 0.000

Atom - Atom Distances (Å)
  O1 C2 H3 H4 O5
O11.24992.01941.98461.3600
C21.24991.09511.09272.2315
H32.01941.09511.94582.4165
H41.98461.09271.94583.2136
O51.36002.23152.41653.2136

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 118.752 O1 C2 H4 115.653
C2 O1 O5 117.465 H3 C2 H4 125.595
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability