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

using model chemistry: PBE1PBE/aug-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 PBE1PBE/aug-cc-pVDZ
 hartrees
Energy at 0K-189.404011
Energy at 298.15K-189.406631
HF Energy-189.404011
Nuclear repulsion energy70.552283
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-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' 3318 3190 0.81      
2 A' 3149 3029 4.10      
3 A' 1557 1497 42.35      
4 A' 1400 1346 13.03      
5 A' 1242 1195 27.24      
6 A' 988 950 115.45      
7 A' 542 521 0.09      
8 A" 942 906 34.28      
9 A" 686 660 5.14      

Unscaled Zero Point Vibrational Energy (zpe) 6912.0 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 6646.5 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 PBE1PBE/aug-cc-pVDZ
ABC
2.70888 0.42139 0.36466

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.456 0.000
C2 1.060 -0.218 0.000
H3 0.993 -1.308 0.000
H4 1.979 0.366 0.000
O5 -1.167 -0.175 0.000

Atom - Atom Distances (Å)
  O1 C2 H3 H4 O5
O11.25632.02391.98111.3261
C21.25631.09161.08862.2271
H32.02391.09161.94222.4387
H41.98111.08861.94223.1916
O51.32612.22712.43873.1916

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 118.922 O1 C2 H4 115.126
C2 O1 O5 119.156 H3 C2 H4 125.952
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O 0.009      
2 C 0.776      
3 H -0.125      
4 H -0.185      
5 O -0.474      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.207 -0.400 0.000 4.226
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.817 -0.508 0.000
y -0.508 -16.618 0.000
z 0.000 0.000 -17.580
Traceless
 xyz
x 0.282 -0.508 0.000
y -0.508 0.581 0.000
z 0.000 0.000 -0.863
Polar
3z2-r2-1.726
x2-y2-0.200
xy-0.508
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.672 -0.085 0.000
y -0.085 3.116 0.000
z 0.000 0.000 2.441


<r2> (average value of r2) Å2
<r2> 37.190
(<r2>)1/2 6.098