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

using model chemistry: HSEh1PBE/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-189.399027
Energy at 298.15K-189.401633
HF Energy-189.399027
Nuclear repulsion energy70.623070
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/cc-pVDZ
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' 3326 3199 0.85      
2 A' 3155 3035 4.29      
3 A' 1544 1485 41.28      
4 A' 1392 1339 10.91      
5 A' 1235 1188 27.36      
6 A' 1003 965 93.59      
7 A' 542 521 0.51      
8 A" 890 856 37.54      
9 A" 687 661 4.36      

Unscaled Zero Point Vibrational Energy (zpe) 6886.7 cm-1
Scaled (by 0.9619) Zero Point Vibrational Energy (zpe) 6624.3 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/cc-pVDZ
ABC
2.74508 0.42064 0.36475

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.451 0.000
C2 1.061 -0.229 0.000
H3 0.987 -1.320 0.000
H4 1.983 0.352 0.000
O5 -1.167 -0.158 0.000

Atom - Atom Distances (Å)
  O1 C2 H3 H4 O5
O11.26062.02801.98571.3168
C21.26061.09371.09002.2297
H32.02801.09371.94682.4478
H41.98571.09001.94683.1916
O51.31682.22972.44783.1916

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 118.774 O1 C2 H4 115.097
C2 O1 O5 119.769 H3 C2 H4 126.128
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O 0.060      
2 C 0.099      
3 H 0.076      
4 H 0.085      
5 O -0.319      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.766 -0.351 0.000 3.782
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.308 -0.454 0.000
y -0.454 -16.141 0.000
z 0.000 0.000 -16.990
Traceless
 xyz
x 0.258 -0.454 0.000
y -0.454 0.508 0.000
z 0.000 0.000 -0.766
Polar
3z2-r2-1.531
x2-y2-0.167
xy-0.454
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.559 -0.077 0.000
y -0.077 2.254 0.000
z 0.000 0.000 1.312


<r2> (average value of r2) Å2
<r2> 36.871
(<r2>)1/2 6.072