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

using model chemistry: B2PLYP=FULLultrafine/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 B2PLYP=FULLultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-189.454127
Energy at 298.15K 
HF Energy-189.263472
Nuclear repulsion energy69.854170
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/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' 3330 3204 1.06      
2 A' 3158 3039 6.49      
3 A' 1485 1429 36.13      
4 A' 1345 1294 74.93      
5 A' 1238 1191 30.01      
6 A' 974 937 139.01      
7 A' 538 518 0.06      
8 A" 892 859 35.09      
9 A" 666 641 7.13      

Unscaled Zero Point Vibrational Energy (zpe) 6813.2 cm-1
Scaled (by 0.9623) Zero Point Vibrational Energy (zpe) 6556.3 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/aug-cc-pVDZ
ABC
2.64684 0.41315 0.35737

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.463 0.000
C2 1.073 -0.225 0.000
H3 0.999 -1.312 0.000
H4 1.988 0.361 0.000
O5 -1.178 -0.175 0.000

Atom - Atom Distances (Å)
  O1 C2 H3 H4 O5
O11.27412.03701.99101.3396
C21.27411.09001.08682.2512
H32.03701.09001.94352.4562
H41.99101.08681.94353.2114
O51.33962.25122.45623.2114

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 118.792 O1 C2 H4 114.757
C2 O1 O5 118.905 H3 C2 H4 126.451
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability