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

using model chemistry: PBEPBEultrafine/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at PBEPBEultrafine/cc-pVDZ
 hartrees
Energy at 0K-189.400622
Energy at 298.15K-189.403147
HF Energy-189.400622
Nuclear repulsion energy69.606546
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 PBEPBEultrafine/cc-pVDZ
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' 3233 3215 0.33      
2 A' 3059 3041 1.88      
3 A' 1432 1424 29.94      
4 A' 1318 1310 16.71      
5 A' 1183 1176 22.34      
6 A' 988 982 53.31      
7 A' 525 522 1.00      
8 A" 784 780 34.43      
9 A" 643 639 11.48      

Unscaled Zero Point Vibrational Energy (zpe) 6582.7 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 6544.5 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 PBEPBEultrafine/cc-pVDZ
ABC
2.65550 0.40879 0.35426

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.459 0.000
C2 1.078 -0.245 0.000
H3 0.995 -1.343 0.000
H4 2.004 0.346 0.000
O5 -1.184 -0.151 0.000

Atom - Atom Distances (Å)
  O1 C2 H3 H4 O5
O11.28782.05902.00691.3314
C21.28781.10161.09782.2639
H32.05901.10161.96722.4841
H42.00691.09781.96723.2257
O51.33142.26392.48413.2257

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 118.820 O1 C2 H4 114.309
C2 O1 O5 119.607 H3 C2 H4 126.870
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O 0.061      
2 C 0.087      
3 H 0.057      
4 H 0.069      
5 O -0.273      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.263 -0.315 0.000 3.278
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.373 -0.319 0.000
y -0.319 -16.282 0.000
z 0.000 0.000 -17.079
Traceless
 xyz
x 0.308 -0.319 0.000
y -0.319 0.444 0.000
z 0.000 0.000 -0.752
Polar
3z2-r2-1.504
x2-y2-0.090
xy-0.319
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.599 -0.082 0.000
y -0.082 2.389 0.000
z 0.000 0.000 1.350


<r2> (average value of r2) Å2
<r2> 37.696
(<r2>)1/2 6.140