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

using model chemistry: B2PLYP/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/cc-pVTZ
 hartrees
Energy at 0K-189.522934
Energy at 298.15K-189.525530
HF Energy-189.304832
Nuclear repulsion energy70.227090
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/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' 3315 3180 0.55      
2 A' 3154 3026 5.14      
3 A' 1498 1438 32.39      
4 A' 1351 1296 81.20      
5 A' 1252 1201 25.13      
6 A' 1004 963 114.29      
7 A' 540 518 0.19      
8 A" 880 844 38.04      
9 A" 673 646 6.89      

Unscaled Zero Point Vibrational Energy (zpe) 6833.6 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 6556.1 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/cc-pVTZ
ABC
2.71091 0.41560 0.36036

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.457 0.000
C2 1.070 -0.226 0.000
H3 0.999 -1.305 0.000
H4 1.979 0.352 0.000
O5 -1.175 -0.168 0.000

Atom - Atom Distances (Å)
  O1 C2 H3 H4 O5
O11.26922.02491.98141.3301
C21.26921.08041.07732.2450
H32.02491.08041.92432.4531
H41.98141.07731.92433.1957
O51.33012.24502.45313.1957

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 118.819 O1 C2 H4 114.975
C2 O1 O5 119.444 H3 C2 H4 126.206
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O 0.105      
2 C -0.022      
3 H 0.115      
4 H 0.139      
5 O -0.337      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.793 -0.368 0.000 3.810
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.557 -0.487 0.000
y -0.487 -16.509 0.000
z 0.000 0.000 -17.357
Traceless
 xyz
x 0.376 -0.487 0.000
y -0.487 0.448 0.000
z 0.000 0.000 -0.824
Polar
3z2-r2-1.648
x2-y2-0.048
xy-0.487
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.447 -0.068 0.000
y -0.068 2.617 0.000
z 0.000 0.000 1.814


<r2> (average value of r2) Å2
<r2> 37.339
(<r2>)1/2 6.111