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

using model chemistry: PBE1PBE/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-189.448803
Energy at 298.15K-189.451423
HF Energy-189.448803
Nuclear repulsion energy70.695276
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/aug-cc-pVTZ
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' 3291 3164 0.75      
2 A' 3136 3015 3.84      
3 A' 1566 1506 41.01      
4 A' 1409 1355 14.06      
5 A' 1250 1201 24.79      
6 A' 981 943 116.02      
7 A' 538 517 0.08      
8 A" 948 912 32.97      
9 A" 690 663 4.96      

Unscaled Zero Point Vibrational Energy (zpe) 6904.0 cm-1
Scaled (by 0.9615) Zero Point Vibrational Energy (zpe) 6638.2 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 PBE1PBE/aug-cc-pVTZ
ABC
2.74255 0.42182 0.36559

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.453 0.000
C2 1.059 -0.211 0.000
H3 1.004 -1.294 0.000
H4 1.970 0.374 0.000
O5 -1.166 -0.180 0.000

Atom - Atom Distances (Å)
  O1 C2 H3 H4 O5
O11.25022.01511.97161.3273
C21.25021.08481.08182.2259
H32.01511.08481.92702.4393
H41.97161.08181.92703.1848
O51.32732.22592.43933.1848

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 119.143 O1 C2 H4 115.252
C2 O1 O5 119.418 H3 C2 H4 125.606
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O 0.086      
2 C -0.463      
3 H 0.428      
4 H 0.430      
5 O -0.481      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.212 -0.362 0.000 4.228
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.773 -0.571 0.000
y -0.571 -16.574 0.000
z 0.000 0.000 -17.486
Traceless
 xyz
x 0.257 -0.571 0.000
y -0.571 0.555 0.000
z 0.000 0.000 -0.812
Polar
3z2-r2-1.625
x2-y2-0.199
xy-0.571
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.673 -0.070 0.000
y -0.070 3.181 0.000
z 0.000 0.000 2.552


<r2> (average value of r2) Å2
<r2> 37.071
(<r2>)1/2 6.089