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

using model chemistry: QCISD(T)=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 QCISD(T)=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-189.180668
Energy at 298.15K-189.183185
HF Energy-188.583107
Nuclear repulsion energy68.915205
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 QCISD(T)=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' 3301 3202        
2 A' 3135 3041        
3 A' 1479 1434        
4 A' 1322 1282        
5 A' 1212 1176        
6 A' 841 816        
7 A' 525 509        
8 A" 865 839        
9 A" 629 611        

Unscaled Zero Point Vibrational Energy (zpe) 6654.0 cm-1
Scaled (by 0.9701) Zero Point Vibrational Energy (zpe) 6455.0 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 QCISD(T)=FULL/aug-cc-pVDZ
ABC
2.49808 0.40618 0.34937

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.481 0.000
C2 1.082 -0.208 0.000
H3 1.011 -1.301 0.000
H4 2.002 0.382 0.000
O5 -1.188 -0.211 0.000

Atom - Atom Distances (Å)
  O1 C2 H3 H4 O5
O11.28252.04932.00401.3747
C21.28251.09561.09282.2695
H32.04931.09561.95292.4548
H42.00401.09281.95293.2440
O51.37472.26952.45483.2440

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 118.820 O1 C2 H4 114.830
C2 O1 O5 117.286 H3 C2 H4 126.349
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability