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

using model chemistry: B3LYP/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 B3LYP/Def2TZVPP
 hartrees
Energy at 0K-189.666677
Energy at 298.15K-189.669263
HF Energy-189.666677
Nuclear repulsion energy70.152988
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 B3LYP/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' 3275 3153 0.33      
2 A' 3123 3006 2.63      
3 A' 1541 1484 28.81      
4 A' 1402 1350 16.45      
5 A' 1245 1198 17.39      
6 A' 926 891 101.45      
7 A' 531 511 0.12      
8 A" 937 902 34.81      
9 A" 673 648 4.74      

Unscaled Zero Point Vibrational Energy (zpe) 6826.5 cm-1
Scaled (by 0.9626) Zero Point Vibrational Energy (zpe) 6571.2 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 B3LYP/Def2TZVPP
ABC
2.71577 0.41435 0.35950

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.487 0.000
C2 1.069 -0.117 0.000
H3 1.090 -1.204 0.000
H4 1.976 0.483 0.000
O5 -1.185 -0.308 0.000

Atom - Atom Distances (Å)
  O1 C2 H3 H4 O5
O11.22812.01151.97611.4271
C21.22811.08731.08732.2628
H32.01151.08731.90602.4449
H41.97611.08731.90603.2589
O51.42712.26282.44493.2589

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 120.507 O1 C2 H4 117.053
C2 O1 O5 116.706 H3 C2 H4 122.441
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O 0.087      
2 C 0.020      
3 H 0.136      
4 H 0.141      
5 O -0.383      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.203 -0.329 0.000 4.216
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.700 -0.577 0.000
y -0.577 -16.601 0.000
z 0.000 0.000 -17.385
Traceless
 xyz
x 0.292 -0.577 0.000
y -0.577 0.442 0.000
z 0.000 0.000 -0.734
Polar
3z2-r2-1.468
x2-y2-0.100
xy-0.577
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.260 -0.003 0.000
y -0.003 2.724 0.000
z 0.000 0.000 1.980


<r2> (average value of r2) Å2
<r2> 37.456
(<r2>)1/2 6.120