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

using model chemistry: B3LYP/CEP-31G

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/CEP-31G
 hartrees
Energy at 0K-38.585095
Energy at 298.15K-38.587573
HF Energy-38.585095
Nuclear repulsion energy37.913032
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/CEP-31G
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' 3295 3191 3.76      
2 A' 3136 3037 1.81      
3 A' 1486 1439 13.18      
4 A' 1366 1323 15.10      
5 A' 1223 1185 6.80      
6 A' 841 815 59.00      
7 A' 469 454 0.07      
8 A" 952 922 82.32      
9 A" 619 599 5.14      

Unscaled Zero Point Vibrational Energy (zpe) 6693.7 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 6482.2 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/CEP-31G
ABC
2.53903 0.37563 0.32722

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.477 0.000
C2 1.124 -0.168 0.000
H3 1.118 -1.264 0.000
H4 2.025 0.450 0.000
O5 -1.236 -0.249 0.000

Atom - Atom Distances (Å)
  O1 C2 H3 H4 O5
O11.29572.06872.02511.4329
C21.29571.09511.09302.3606
H32.06871.09511.93852.5634
H42.02511.09301.93853.3345
O51.43292.36062.56343.3345

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 119.592 O1 C2 H4 115.682
C2 O1 O5 119.710 H3 C2 H4 124.727
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O 0.065      
2 C -0.253      
3 H 0.245      
4 H 0.244      
5 O -0.301      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.699 -0.644 0.000 4.743
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.134 -0.465 0.000
y -0.465 -16.647 0.000
z 0.000 0.000 -17.422
Traceless
 xyz
x 0.901 -0.465 0.000
y -0.465 0.130 0.000
z 0.000 0.000 -1.031
Polar
3z2-r2-2.062
x2-y20.514
xy-0.465
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.142 0.179 0.000
y 0.179 1.982 0.000
z 0.000 0.000 1.225


<r2> (average value of r2) Å2
<r2> 33.661
(<r2>)1/2 5.802