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

using model chemistry: B97D3/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B97D3/STO-3G
 hartrees
Energy at 0K-186.992689
Energy at 298.15K-186.994812
HF Energy-186.992689
Nuclear repulsion energy66.753553
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 B97D3/STO-3G
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' 3493 3493 0.82      
2 A' 3269 3269 32.42      
3 A' 1495 1495 1.81      
4 A' 1338 1338 14.66      
5 A' 1213 1213 4.81      
6 A' 1071 1071 3.05      
7 A' 496 496 1.04      
8 A" 631 631 7.23      
9 A" 414 414 56.62      

Unscaled Zero Point Vibrational Energy (zpe) 6709.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6709.3 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 B97D3/STO-3G
ABC
2.37680 0.37733 0.32563

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.494 0.000
C2 1.121 -0.300 0.000
H3 1.035 -1.402 0.000
H4 2.079 0.248 0.000
O5 -1.230 -0.125 0.000

Atom - Atom Distances (Å)
  O1 C2 H3 H4 O5
O11.37422.16032.09321.3771
C21.37421.10521.10322.3579
H32.16031.10521.95242.6002
H42.09321.10321.95243.3296
O51.37712.35792.60023.3296

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 120.834 O1 C2 H4 114.886
C2 O1 O5 117.964 H3 C2 H4 124.280
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O 0.001      
2 C -0.067      
3 H 0.093      
4 H 0.094      
5 O -0.121      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.640 -0.363 0.000 1.680
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.065 -0.024 0.000
y -0.024 -14.918 0.000
z 0.000 0.000 -15.245
Traceless
 xyz
x 0.017 -0.024 0.000
y -0.024 0.236 0.000
z 0.000 0.000 -0.253
Polar
3z2-r2-0.506
x2-y2-0.147
xy-0.024
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.719 -0.151 0.000
y -0.151 1.179 0.000
z 0.000 0.000 0.475


<r2> (average value of r2) Å2
<r2> 39.103
(<r2>)1/2 6.253