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

using model chemistry: B3LYP/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-189.656812
Energy at 298.15K-189.659407
HF Energy-189.656812
Nuclear repulsion energy70.201943
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/6-311+G(3df,2p)
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' 3267 3159 0.55      
2 A' 3116 3013 3.20      
3 A' 1547 1496 31.89      
4 A' 1406 1359 16.13      
5 A' 1247 1206 19.08      
6 A' 927 896 106.76      
7 A' 531 514 0.07      
8 A" 952 921 32.31      
9 A" 676 654 4.59      

Unscaled Zero Point Vibrational Energy (zpe) 6834.0 cm-1
Scaled (by 0.967) Zero Point Vibrational Energy (zpe) 6608.5 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 B3LYP/6-311+G(3df,2p)
ABC
2.71396 0.41524 0.36014

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.457 0.000
C2 1.068 -0.198 0.000
H3 1.027 -1.280 0.000
H4 1.973 0.392 0.000
O5 -1.176 -0.198 0.000

Atom - Atom Distances (Å)
  O1 C2 H3 H4 O5
O11.25232.01791.97451.3458
C21.25231.08341.08072.2434
H32.01791.08341.92172.4538
H41.97451.08071.92173.2039
O51.34582.24342.45383.2039

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 119.337 O1 C2 H4 115.429
C2 O1 O5 119.366 H3 C2 H4 125.234
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.001      
2 C 0.095      
3 H 0.198      
4 H 0.197      
5 O -0.489      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.296 -0.348 0.000 4.310
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.825 -0.559 0.000
y -0.559 -16.745 0.000
z 0.000 0.000 -17.568
Traceless
 xyz
x 0.332 -0.559 0.000
y -0.559 0.451 0.000
z 0.000 0.000 -0.783
Polar
3z2-r2-1.566
x2-y2-0.080
xy-0.559
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.652 -0.014 0.000
y -0.014 3.080 0.000
z 0.000 0.000 2.417


<r2> (average value of r2) Å2
<r2> 37.503
(<r2>)1/2 6.124