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

using model chemistry: CID/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at CID/6-311+G(3df,2p)
 hartrees
Energy at 0K-189.197358
Energy at 298.15K-189.199985
HF Energy-188.631593
Nuclear repulsion energy71.023367
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 CID/6-311+G(3df,2p)
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' 3376 3120 1.05      
2 A' 3227 2982 1.74      
3 A' 1730 1598 14.21      
4 A' 1499 1385 6.01      
5 A' 1302 1203 18.15      
6 A' 831 768 143.51      
7 A' 526 486 1.53      
8 A" 1131 1045 20.24      
9 A" 723 668 1.34      

Unscaled Zero Point Vibrational Energy (zpe) 7172.4 cm-1
Scaled (by 0.924) Zero Point Vibrational Energy (zpe) 6627.3 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 CID/6-311+G(3df,2p)
ABC
2.69790 0.42933 0.37039

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.463 0.000
C2 1.046 -0.166 0.000
H3 1.009 -1.243 0.000
H4 1.953 0.414 0.000
O5 -1.155 -0.235 0.000

Atom - Atom Distances (Å)
  O1 C2 H3 H4 O5
O11.22081.98201.95321.3493
C21.22081.07791.07582.2025
H31.98201.07791.90682.3875
H41.95321.07581.90683.1746
O51.34932.20252.38753.1746

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 119.012 O1 C2 H4 116.392
C2 O1 O5 117.873 H3 C2 H4 124.596
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability