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

using model chemistry: TPSSh/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at TPSSh/6-31G(2df,p)
 hartrees
Energy at 0K-189.599092
Energy at 298.15K-189.601666
HF Energy-189.599092
Nuclear repulsion energy70.115332
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 TPSSh/6-31G(2df,p)
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' 3298 3182 0.34      
2 A' 3137 3027 1.71      
3 A' 1518 1465 22.81      
4 A' 1389 1341 18.43      
5 A' 1245 1202 18.98      
6 A' 985 950 71.29      
7 A' 521 503 0.48      
8 A" 872 842 34.58      
9 A" 675 651 6.79      

Unscaled Zero Point Vibrational Energy (zpe) 6820.0 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 6581.3 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 TPSSh/6-31G(2df,p)
ABC
2.69747 0.41465 0.35940

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.458 0.000
C2 1.070 -0.222 0.000
H3 1.005 -1.305 0.000
H4 1.983 0.359 0.000
O5 -1.176 -0.173 0.000

Atom - Atom Distances (Å)
  O1 C2 H3 H4 O5
O11.26772.02941.98581.3346
C21.26771.08501.08232.2466
H32.02941.08501.92992.4577
H41.98581.08231.92993.2039
O51.33462.24662.45773.2039

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 119.015 O1 C2 H4 115.123
C2 O1 O5 119.360 H3 C2 H4 125.862
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O 0.096      
2 C -0.113      
3 H 0.181      
4 H 0.184      
5 O -0.347      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.663 -0.378 0.000 3.682
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.660 -0.056 0.000
y -0.056 2.512 0.000
z 0.000 0.000 1.675


<r2> (average value of r2) Å2
<r2> 37.099
(<r2>)1/2 6.091