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

using model chemistry: QCISD(T)=FULL/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at QCISD(T)=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-189.381906
Energy at 298.15K-189.384456
HF Energy-188.631511
Nuclear repulsion energy69.765982
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 QCISD(T)=FULL/aug-cc-pVTZ
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' 3278 3278        
2 A' 3152 3152        
3 A' 1495 1495        
4 A' 1339 1339        
5 A' 1230 1230        
6 A' 915 915        
7 A' 530 530        
8 A" 880 880        
9 A" 635 635        

Unscaled Zero Point Vibrational Energy (zpe) 6726.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6726.6 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 QCISD(T)=FULL/aug-cc-pVTZ
ABC
2.58918 0.41452 0.35731

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.472 0.000
C2 1.071 -0.211 0.000
H3 1.003 -1.289 0.000
H4 1.979 0.370 0.000
O5 -1.176 -0.199 0.000

Atom - Atom Distances (Å)
  O1 C2 H3 H4 O5
O11.27002.02641.98171.3538
C21.27001.08031.07772.2471
H32.02641.08031.92442.4366
H41.98171.07771.92443.2060
O51.35382.24712.43663.2060

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 118.904 O1 C2 H4 114.911
C2 O1 O5 117.802 H3 C2 H4 126.185
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability