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

using model chemistry: HSEh1PBE/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at HSEh1PBE/STO-3G
 hartrees
Energy at 0K-186.867032
Energy at 298.15K-186.869342
HF Energy-186.867032
Nuclear repulsion energy68.024696
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 HSEh1PBE/STO-3G
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' 3617 3195 3.41      
2 A' 3400 3003 56.83      
3 A' 1564 1381 10.28      
4 A' 1473 1301 22.61      
5 A' 1295 1144 4.82      
6 A' 1138 1005 8.36      
7 A' 513 453 1.30      
8 A" 681 601 20.66      
9 A" 556 491 46.06      

Unscaled Zero Point Vibrational Energy (zpe) 7118.8 cm-1
Scaled (by 0.8831) Zero Point Vibrational Energy (zpe) 6286.6 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 HSEh1PBE/STO-3G
ABC
2.51365 0.39009 0.33768

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.478 0.000
C2 1.102 -0.285 0.000
H3 1.023 -1.379 0.000
H4 2.051 0.259 0.000
O5 -1.210 -0.124 0.000

Atom - Atom Distances (Å)
  O1 C2 H3 H4 O5
O11.34012.11992.06291.3520
C21.34011.09671.09472.3175
H32.11991.09671.93452.5612
H42.06291.09471.93453.2841
O51.35202.31752.56123.2841

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 120.586 O1 C2 H4 115.459
C2 O1 O5 118.822 H3 C2 H4 123.955
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O 0.004      
2 C -0.074      
3 H 0.103      
4 H 0.105      
5 O -0.138      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.854 -0.366 0.000 1.889
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.198 -0.059 0.000
y -0.059 -14.895 0.000
z 0.000 0.000 -15.208
Traceless
 xyz
x -0.147 -0.059 0.000
y -0.059 0.308 0.000
z 0.000 0.000 -0.161
Polar
3z2-r2-0.323
x2-y2-0.303
xy-0.059
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.744 -0.155 0.000
y -0.155 1.120 0.000
z 0.000 0.000 0.459


<r2> (average value of r2) Å2
<r2> 38.093
(<r2>)1/2 6.172