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

using model chemistry: CCSD=FULL/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-189.320779
Energy at 298.15K-189.323389
HF Energy-188.629808
Nuclear repulsion energy70.485023
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/cc-pVTZ
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' 3321 3149 0.55      
2 A' 3190 3025 4.34      
3 A' 1588 1506 39.07      
4 A' 1432 1357 21.62      
5 A' 1269 1203 16.87      
6 A' 901 854 134.43      
7 A' 533 505 0.14      
8 A" 1000 948 30.31      
9 A" 686 651 2.23      

Unscaled Zero Point Vibrational Energy (zpe) 6960.2 cm-1
Scaled (by 0.9481) Zero Point Vibrational Energy (zpe) 6599.0 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 CCSD=FULL/cc-pVTZ
ABC
2.66247 0.42240 0.36457

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.465 0.000
C2 1.059 -0.195 0.000
H3 1.000 -1.271 0.000
H4 1.967 0.379 0.000
O5 -1.165 -0.207 0.000

Atom - Atom Distances (Å)
  O1 C2 H3 H4 O5
O11.24782.00331.96921.3449
C21.24781.07691.07472.2239
H32.00331.07691.91202.4126
H41.96921.07471.91203.1867
O51.34492.22392.41263.1867

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 118.843 O1 C2 H4 115.759
C2 O1 O5 118.078 H3 C2 H4 125.398
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability