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

using model chemistry: B97D3/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B97D3/3-21G
 hartrees
Energy at 0K-188.434176
Energy at 298.15K-188.436634
HF Energy-188.434176
Nuclear repulsion energy67.008501
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 B97D3/3-21G
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' 3253 3198 3.25      
2 A' 3097 3044 0.47      
3 A' 1444 1419 4.74      
4 A' 1265 1243 19.66      
5 A' 1166 1146 6.66      
6 A' 935 919 20.97      
7 A' 477 469 0.70      
8 A" 804 790 67.99      
9 A" 610 600 9.14      

Unscaled Zero Point Vibrational Energy (zpe) 6525.0 cm-1
Scaled (by 0.983) Zero Point Vibrational Energy (zpe) 6414.0 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 B97D3/3-21G
ABC
2.37597 0.38172 0.32888

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.499 0.000
C2 1.117 -0.193 0.000
H3 1.071 -1.279 0.000
H4 2.031 0.392 0.000
O5 -1.225 -0.243 0.000

Atom - Atom Distances (Å)
  O1 C2 H3 H4 O5
O11.31402.07592.03411.4328
C21.31401.08641.08582.3425
H32.07591.08641.92682.5193
H42.03411.08581.92683.3180
O51.43282.34252.51933.3180

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 119.422 O1 C2 H4 115.580
C2 O1 O5 116.970 H3 C2 H4 124.998
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.191      
2 C -0.062      
3 H 0.239      
4 H 0.239      
5 O -0.225      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.369 -0.503 0.000 3.407
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.540 -0.225 0.000
y -0.225 -16.206 0.000
z 0.000 0.000 -17.009
Traceless
 xyz
x 1.067 -0.225 0.000
y -0.225 0.068 0.000
z 0.000 0.000 -1.136
Polar
3z2-r2-2.271
x2-y20.666
xy-0.225
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.334 0.154 0.000
y 0.154 1.969 0.000
z 0.000 0.000 0.887


<r2> (average value of r2) Å2
<r2> 39.399
(<r2>)1/2 6.277