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

using model chemistry: B2PLYP=FULLultrafine/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B2PLYP=FULLultrafine/6-31+G**
 hartrees
Energy at 0K-189.425088
Energy at 298.15K 
HF Energy-189.242778
Nuclear repulsion energy69.742808
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 B2PLYP=FULLultrafine/6-31+G**
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' 3351 3351 0.89      
2 A' 3188 3188 7.76      
3 A' 1511 1511 32.95      
4 A' 1365 1365 81.96      
5 A' 1253 1253 27.20      
6 A' 978 978 138.65      
7 A' 534 534 0.11      
8 A" 889 889 42.90      
9 A" 668 668 7.38      

Unscaled Zero Point Vibrational Energy (zpe) 6868.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6868.1 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 B2PLYP=FULLultrafine/6-31+G**
ABC
2.66991 0.40997 0.35540

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.461 0.000
C2 1.077 -0.218 0.000
H3 1.017 -1.299 0.000
H4 1.984 0.369 0.000
O5 -1.183 -0.181 0.000

Atom - Atom Distances (Å)
  O1 C2 H3 H4 O5
O11.27332.03271.98571.3459
C21.27331.08301.07992.2604
H32.03271.08301.92832.4674
H41.98571.07991.92833.2138
O51.34592.26042.46743.2138

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 119.016 O1 C2 H4 114.846
C2 O1 O5 119.281 H3 C2 H4 126.138
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability