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

using model chemistry: CCSD=FULL/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 CCSD=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-189.152596
Energy at 298.15K-189.155161
HF Energy-188.587197
Nuclear repulsion energy69.501930
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/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' 3317 3317 0.59      
2 A' 3159 3159 3.68      
3 A' 1557 1557 34.94      
4 A' 1402 1402 17.96      
5 A' 1238 1238 15.09      
6 A' 828 828 127.75      
7 A' 524 524 0.17      
8 A" 981 981 25.29      
9 A" 661 661 2.89      

Unscaled Zero Point Vibrational Energy (zpe) 6833.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6833.8 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/aug-cc-pVDZ
ABC
2.53225 0.41382 0.35569

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.479 0.000
C2 1.069 -0.187 0.000
H3 1.011 -1.280 0.000
H4 1.989 0.401 0.000
O5 -1.177 -0.228 0.000

Atom - Atom Distances (Å)
  O1 C2 H3 H4 O5
O11.25942.02871.99021.3728
C21.25941.09411.09182.2458
H32.02871.09411.94422.4274
H41.99021.09181.94423.2271
O51.37282.24582.42743.2271

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 118.920 O1 C2 H4 115.470
C2 O1 O5 117.056 H3 C2 H4 125.610
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability