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

using model chemistry: CCSD(T)=FULL/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-189.383420
Energy at 298.15K-189.385988
HF Energy-188.624826
Nuclear repulsion energy70.134192
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/6-311+G(3df,2p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3313 3313        
2 A' 3152 3152        
3 A' 1496 1496        
4 A' 1326 1326        
5 A' 1246 1246        
6 A' 965 965        
7 A' 539 539        
8 A" 869 869        
9 A" 647 647        

Unscaled Zero Point Vibrational Energy (zpe) 6776.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6776.8 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(T)=FULL/6-311+G(3df,2p)
ABC
2.63672 0.41807 0.36085

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.465 0.000
C2 1.066 -0.223 0.000
H3 0.991 -1.303 0.000
H4 1.979 0.352 0.000
O5 -1.171 -0.180 0.000

Atom - Atom Distances (Å)
  O1 C2 H3 H4 O5
O11.26912.02671.98271.3369
C21.26911.08251.07932.2376
H32.02671.08251.92802.4358
H41.98271.07931.92803.1950
O51.33692.23762.43583.1950

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 118.834 O1 C2 H4 114.953
C2 O1 O5 118.306 H3 C2 H4 126.213
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability