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

using model chemistry: PBE1PBE/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at PBE1PBE/6-311G*
 hartrees
Energy at 0K-189.416175
Energy at 298.15K-189.418786
HF Energy-189.416175
Nuclear repulsion energy70.723948
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 PBE1PBE/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3317 3179 0.44      
2 A' 3156 3025 1.96      
3 A' 1563 1498 36.29      
4 A' 1418 1359 13.72      
5 A' 1266 1214 23.05      
6 A' 994 952 102.77      
7 A' 548 525 0.29      
8 A" 896 859 42.59      
9 A" 692 664 5.26      

Unscaled Zero Point Vibrational Energy (zpe) 6925.0 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 6637.6 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 PBE1PBE/6-311G*
ABC
2.76747 0.42106 0.36546

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.450 0.000
C2 1.061 -0.218 0.000
H3 0.996 -1.302 0.000
H4 1.973 0.365 0.000
O5 -1.167 -0.169 0.000

Atom - Atom Distances (Å)
  O1 C2 H3 H4 O5
O11.25392.01541.97531.3212
C21.25391.08581.08252.2288
H32.01541.08581.93192.4418
H41.97531.08251.93193.1856
O51.32122.22882.44183.1856

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 118.765 O1 C2 H4 115.242
C2 O1 O5 119.852 H3 C2 H4 125.993
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O 0.029      
2 C -0.186      
3 H 0.242      
4 H 0.249      
5 O -0.333      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.037 -0.366 0.000 4.053
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.431 -0.481 0.000
y -0.481 -16.306 0.000
z 0.000 0.000 -17.225
Traceless
 xyz
x 0.335 -0.481 0.000
y -0.481 0.522 0.000
z 0.000 0.000 -0.857
Polar
3z2-r2-1.713
x2-y2-0.125
xy-0.481
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.662 -0.062 0.000
y -0.062 2.294 0.000
z 0.000 0.000 1.404


<r2> (average value of r2) Å2
<r2> 36.904
(<r2>)1/2 6.075