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

using model chemistry: CCD/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at CCD/TZVP
 hartrees
Energy at 0K-189.171526
Energy at 298.15K-189.174089
HF Energy-188.626810
Nuclear repulsion energy70.233943
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 CCD/TZVP
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' 3333 3160 0.32      
2 A' 3183 3017 4.95      
3 A' 1626 1542 36.93      
4 A' 1470 1393 15.85      
5 A' 1282 1216 19.05      
6 A' 751 712 238.27      
7 A' 519 492 12.26      
8 A" 1014 961 30.59      
9 A" 700 664 1.48      

Unscaled Zero Point Vibrational Energy (zpe) 6939.2 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 6578.4 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 CCD/TZVP
ABC
2.65813 0.41858 0.36163

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.465 0.000
C2 1.061 -0.178 0.000
H3 1.025 -1.260 0.000
H4 1.969 0.408 0.000
O5 -1.170 -0.225 0.000

Atom - Atom Distances (Å)
  O1 C2 H3 H4 O5
O11.24122.00691.97001.3591
C21.24121.08291.08052.2324
H32.00691.08291.91722.4267
H41.97001.08051.91723.2028
O51.35912.23242.42673.2028

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 119.269 O1 C2 H4 115.933
C2 O1 O5 118.231 H3 C2 H4 124.797
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability