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

using model chemistry: CCSD(T)=FULL/cc-pVQZ

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(T)=FULL/cc-pVQZ
 hartrees
Energy at 0K-189.463162
Energy at 298.15K-189.465734
HF Energy-188.641404
Nuclear repulsion energy70.217028
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(T)=FULL/cc-pVQZ
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' 3318 3204        
2 A' 3159 3050        
3 A' 1502 1451        
4 A' 1325 1280        
5 A' 1249 1206        
6 A' 968 934        
7 A' 540 522        
8 A" 872 842        
9 A" 650 628        

Unscaled Zero Point Vibrational Energy (zpe) 6791.1 cm-1
Scaled (by 0.9656) Zero Point Vibrational Energy (zpe) 6557.5 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(T)=FULL/cc-pVQZ
ABC
2.63656 0.41937 0.36182

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.466 0.000
C2 1.065 -0.223 0.000
H3 0.985 -1.299 0.000
H4 1.978 0.347 0.000
O5 -1.169 -0.180 0.000

Atom - Atom Distances (Å)
  O1 C2 H3 H4 O5
O11.26832.02161.98121.3357
C21.26831.07961.07622.2343
H32.02161.07961.92302.4272
H41.98121.07621.92303.1906
O51.33572.23432.42723.1906

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 118.643 O1 C2 H4 115.111
C2 O1 O5 118.165 H3 C2 H4 126.246
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability