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

using model chemistry: HF/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-188.645448
Energy at 298.15K-188.647909
HF Energy-188.645448
Nuclear repulsion energy69.457280
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 HF/Def2TZVPP
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' 3363 3048 0.89      
2 A' 3237 2934 11.80      
3 A' 1909 1731 95.51      
4 A' 1584 1436 27.98      
5 A' 1353 1226 18.27      
6 A' 582 527 27.96      
7 A' 473 428 8.28      
8 A" 1308 1185 7.03      
9 A" 651 591 0.50      

Unscaled Zero Point Vibrational Energy (zpe) 7229.9 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 6553.2 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 HF/Def2TZVPP
ABC
2.49664 0.41152 0.35329

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.507 0.000
C2 1.053 -0.057 0.000
H3 1.085 -1.135 0.000
H4 1.953 0.539 0.000
O5 -1.169 -0.389 0.000

Atom - Atom Distances (Å)
  O1 C2 H3 H4 O5
O11.19421.96801.95311.4732
C21.19421.07881.07932.2471
H31.96801.07881.88572.3747
H41.95311.07931.88573.2574
O51.47322.24712.37473.2574

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 119.865 O1 C2 H4 118.337
C2 O1 O5 114.388 H3 C2 H4 121.798
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.052      
2 C 0.295      
3 H 0.110      
4 H 0.104      
5 O -0.458      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  5.604 -0.032 0.000 5.604
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.668 -0.843 0.000
y -0.843 -16.701 0.000
z 0.000 0.000 -17.033
Traceless
 xyz
x 1.199 -0.843 0.000
y -0.843 -0.350 0.000
z 0.000 0.000 -0.849
Polar
3z2-r2-1.698
x2-y21.033
xy-0.843
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.678 0.298 0.000
y 0.298 2.591 0.000
z 0.000 0.000 1.769


<r2> (average value of r2) Å2
<r2> 37.511
(<r2>)1/2 6.125