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

using model chemistry: B2PLYP/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B2PLYP/aug-cc-pVTZ
 hartrees
Energy at 0K-189.532757
Energy at 298.15K-189.535351
HF Energy-189.310563
Nuclear repulsion energy70.110464
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 B2PLYP/aug-cc-pVTZ
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' 3309 3180 1.08      
2 A' 3149 3026 6.29      
3 A' 1500 1441 36.00      
4 A' 1355 1302 76.59      
5 A' 1247 1199 27.62      
6 A' 976 938 140.95      
7 A' 536 515 0.05      
8 A" 902 867 33.77      
9 A" 673 647 6.85      

Unscaled Zero Point Vibrational Energy (zpe) 6823.5 cm-1
Scaled (by 0.961) Zero Point Vibrational Energy (zpe) 6557.4 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 B2PLYP/aug-cc-pVTZ
ABC
2.69012 0.41483 0.35941

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.459 0.000
C2 1.070 -0.218 0.000
H3 1.008 -1.297 0.000
H4 1.976 0.366 0.000
O5 -1.176 -0.180 0.000

Atom - Atom Distances (Å)
  O1 C2 H3 H4 O5
O11.26642.02461.97851.3381
C21.26641.08101.07782.2467
H32.02461.08101.92472.4530
H41.97851.07781.92473.1992
O51.33812.24672.45303.1992

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 118.979 O1 C2 H4 114.893
C2 O1 O5 119.195 H3 C2 H4 126.128
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O 0.043      
2 C -0.551      
3 H 0.468      
4 H 0.473      
5 O -0.434      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.068 -0.378 0.000 4.086
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.930 -0.529 0.000
y -0.529 -16.826 0.000
z 0.000 0.000 -17.705
Traceless
 xyz
x 0.335 -0.529 0.000
y -0.529 0.492 0.000
z 0.000 0.000 -0.827
Polar
3z2-r2-1.654
x2-y2-0.104
xy-0.529
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.275 -0.076 0.000
y -0.076 3.244 0.000
z 0.000 0.000 2.616


<r2> (average value of r2) Å2
<r2> 37.616
(<r2>)1/2 6.133