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

using model chemistry: PBEPBE/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 PBEPBE/6-311G*
 hartrees
Energy at 0K-189.437331
Energy at 298.15K-189.439861
HF Energy-189.437331
Nuclear repulsion energy69.662507
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 PBEPBE/6-311G*
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' 3225 3191 0.95      
2 A' 3062 3030 1.11      
3 A' 1456 1440 24.39      
4 A' 1335 1321 21.89      
5 A' 1211 1199 18.05      
6 A' 972 962 61.73      
7 A' 532 527 0.62      
8 A" 786 778 41.03      
9 A" 648 641 14.31      

Unscaled Zero Point Vibrational Energy (zpe) 6613.7 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 6545.0 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 PBEPBE/6-311G*
ABC
2.67714 0.40853 0.35444

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.458 0.000
C2 1.079 -0.232 0.000
H3 1.007 -1.323 0.000
H4 1.994 0.360 0.000
O5 -1.185 -0.164 0.000

Atom - Atom Distances (Å)
  O1 C2 H3 H4 O5
O11.28082.04571.99651.3379
C21.28081.09311.08982.2648
H32.04571.09311.95082.4793
H41.99651.08981.95083.2216
O51.33792.26482.47933.2216

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 118.817 O1 C2 H4 114.510
C2 O1 O5 119.718 H3 C2 H4 126.673
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O 0.028      
2 C -0.203      
3 H 0.224      
4 H 0.235      
5 O -0.284      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.549 -0.345 0.000 3.566
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.499 -0.341 0.000
y -0.341 -16.489 0.000
z 0.000 0.000 -17.377
Traceless
 xyz
x 0.434 -0.341 0.000
y -0.341 0.449 0.000
z 0.000 0.000 -0.884
Polar
3z2-r2-1.767
x2-y2-0.010
xy-0.341
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.749 -0.070 0.000
y -0.070 2.444 0.000
z 0.000 0.000 1.463


<r2> (average value of r2) Å2
<r2> 37.784
(<r2>)1/2 6.147