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

using model chemistry: B3LYP/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B3LYP/6-31G**
 hartrees
Energy at 0K-189.579915
Energy at 298.15K-189.582496
HF Energy-189.579915
Nuclear repulsion energy69.945098
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 B3LYP/6-31G**
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' 3304 3175 0.43      
2 A' 3149 3025 2.49      
3 A' 1543 1482 24.49      
4 A' 1405 1350 14.53      
5 A' 1246 1197 19.28      
6 A' 969 931 78.39      
7 A' 530 510 0.39      
8 A" 895 860 36.65      
9 A" 676 649 4.17      

Unscaled Zero Point Vibrational Energy (zpe) 6858.2 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 6589.4 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 B3LYP/6-31G**
ABC
2.69501 0.41212 0.35745

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.459 0.000
C2 1.073 -0.213 0.000
H3 1.016 -1.298 0.000
H4 1.987 0.368 0.000
O5 -1.180 -0.183 0.000

Atom - Atom Distances (Å)
  O1 C2 H3 H4 O5
O11.26562.02901.98891.3429
C21.26561.08591.08342.2528
H32.02901.08591.92802.4631
H41.98891.08341.92803.2144
O51.34292.25282.46313.2144

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 119.078 O1 C2 H4 115.493
C2 O1 O5 119.433 H3 C2 H4 125.429
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.038      
2 C 0.073      
3 H 0.153      
4 H 0.149      
5 O -0.337      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.885 -0.374 0.000 3.903
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.117 -0.454 0.000
y -0.454 -16.138 0.000
z 0.000 0.000 -16.952
Traceless
 xyz
x 0.428 -0.454 0.000
y -0.454 0.396 0.000
z 0.000 0.000 -0.825
Polar
3z2-r2-1.649
x2-y20.022
xy-0.454
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.567 -0.029 0.000
y -0.029 2.274 0.000
z 0.000 0.000 1.315


<r2> (average value of r2) Å2
<r2> 37.308
(<r2>)1/2 6.108