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

using model chemistry: MP2=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 MP2=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-189.134093
Energy at 298.15K-189.136671
HF Energy-188.576842
Nuclear repulsion energy70.387510
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 MP2=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' 3378 3274 1.98      
2 A' 3190 3092 16.25      
3 A' 1467 1422 5.53      
4 A' 1291 1251 10.41      
5 A' 1184 1148 198.79      
6 A' 1015 984 859.56      
7 A' 552 535 20.99      
8 A" 810 786 34.86      
9 A" 677 657 23.12      

Unscaled Zero Point Vibrational Energy (zpe) 6782.4 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 6573.5 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 MP2=FULL/aug-cc-pVDZ
ABC
2.71421 0.41749 0.36183

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.453 0.000
C2 1.068 -0.277 0.000
H3 0.950 -1.361 0.000
H4 1.991 0.296 0.000
O5 -1.169 -0.112 0.000

Atom - Atom Distances (Å)
  O1 C2 H3 H4 O5
O11.29382.04781.99691.2983
C21.29381.09061.08632.2427
H32.04781.09061.95752.4588
H41.99691.08631.95753.1857
O51.29832.24272.45883.1857

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 118.120 O1 C2 H4 113.783
C2 O1 O5 119.816 H3 C2 H4 128.097
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability