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

using model chemistry: B2PLYP/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 B2PLYP/6-311+G(3df,2p)
 hartrees
Energy at 0K-189.523452
Energy at 298.15K-189.526053
HF Energy-189.305056
Nuclear repulsion energy70.295433
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 B2PLYP/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' 3310 3310 1.18      
2 A' 3148 3148 6.38      
3 A' 1504 1504 37.56      
4 A' 1362 1362 77.72      
5 A' 1254 1254 28.59      
6 A' 992 992 136.49      
7 A' 540 540 0.05      
8 A" 904 904 35.24      
9 A" 676 676 6.90      

Unscaled Zero Point Vibrational Energy (zpe) 6845.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6845.1 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 B2PLYP/6-311+G(3df,2p)
ABC
2.71517 0.41655 0.36114

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.456 0.000
C2 1.068 -0.220 0.000
H3 1.005 -1.300 0.000
H4 1.975 0.362 0.000
O5 -1.173 -0.174 0.000

Atom - Atom Distances (Å)
  O1 C2 H3 H4 O5
O11.26412.02291.97721.3318
C21.26411.08131.07802.2419
H32.02291.08131.92452.4518
H41.97721.07801.92453.1937
O51.33182.24192.45183.1937

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 118.988 O1 C2 H4 114.942
C2 O1 O5 119.425 H3 C2 H4 126.069
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O 0.007      
2 C 0.097      
3 H 0.193      
4 H 0.192      
5 O -0.489      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.066 -0.399 0.000 4.086
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.899 -0.500 0.000
y -0.500 -16.788 0.000
z 0.000 0.000 -17.677
Traceless
 xyz
x 0.334 -0.500 0.000
y -0.500 0.500 0.000
z 0.000 0.000 -0.833
Polar
3z2-r2-1.667
x2-y2-0.111
xy-0.500
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.089 -0.087 0.000
y -0.087 3.082 0.000
z 0.000 0.000 2.433


<r2> (average value of r2) Å2
<r2> 37.480
(<r2>)1/2 6.122