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

using model chemistry: PBE1PBE/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 PBE1PBE/6-311G**
 hartrees
Energy at 0K-189.419849
Energy at 298.15K-189.422468
HF Energy-189.419849
Nuclear repulsion energy70.722646
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/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' 3306 3172 0.55      
2 A' 3145 3017 3.48      
3 A' 1555 1491 39.08      
4 A' 1411 1354 13.14      
5 A' 1253 1202 24.43      
6 A' 996 955 102.37      
7 A' 545 523 0.33      
8 A" 914 877 41.11      
9 A" 692 664 4.40      

Unscaled Zero Point Vibrational Energy (zpe) 6907.8 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 6627.3 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/6-311G**
ABC
2.76795 0.42099 0.36541

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.450 0.000
C2 1.061 -0.220 0.000
H3 0.996 -1.304 0.000
H4 1.974 0.361 0.000
O5 -1.167 -0.167 0.000

Atom - Atom Distances (Å)
  O1 C2 H3 H4 O5
O11.25492.01711.97621.3202
C21.25491.08581.08252.2289
H32.01711.08581.93132.4439
H41.97621.08251.93133.1855
O51.32022.22892.44393.1855

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 118.839 O1 C2 H4 115.244
C2 O1 O5 119.871 H3 C2 H4 125.917
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O 0.028      
2 C 0.010      
3 H 0.144      
4 H 0.151      
5 O -0.332      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.004 -0.371 0.000 4.021
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.445 -0.479 0.000
y -0.479 -16.309 0.000
z 0.000 0.000 -17.161
Traceless
 xyz
x 0.289 -0.479 0.000
y -0.479 0.495 0.000
z 0.000 0.000 -0.784
Polar
3z2-r2-1.568
x2-y2-0.137
xy-0.479
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.702 -0.076 0.000
y -0.076 2.320 0.000
z 0.000 0.000 1.449


<r2> (average value of r2) Å2
<r2> 36.900
(<r2>)1/2 6.075