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

using model chemistry: PBEPBE/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at PBEPBE/Def2TZVPP
 hartrees
Energy at 0K-189.473990
Energy at 298.15K-189.476530
HF Energy-189.473990
Nuclear repulsion energy69.741625
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 PBEPBE/Def2TZVPP
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' 3216 3177 0.32      
2 A' 3058 3021 1.94      
3 A' 1456 1438 28.15      
4 A' 1334 1317 23.39      
5 A' 1200 1185 17.95      
6 A' 970 958 68.93      
7 A' 525 518 0.51      
8 A" 828 818 38.34      
9 A" 649 641 9.95      

Unscaled Zero Point Vibrational Energy (zpe) 6617.2 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 6537.1 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 PBEPBE/Def2TZVPP
ABC
2.67759 0.40972 0.35534

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.482 0.000
C2 1.076 -0.138 0.000
H3 1.094 -1.233 0.000
H4 1.990 0.466 0.000
O5 -1.193 -0.283 0.000

Atom - Atom Distances (Å)
  O1 C2 H3 H4 O5
O11.24222.03411.98971.4168
C21.24221.09481.09482.2737
H32.03411.09481.92002.4765
H41.98971.09481.92003.2692
O51.41682.27372.47653.2692

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 120.876 O1 C2 H4 116.591
C2 O1 O5 117.397 H3 C2 H4 122.533
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O 0.099      
2 C 0.000      
3 H 0.115      
4 H 0.125      
5 O -0.339      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.691 -0.351 0.000 3.708
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.757 -0.435 0.000
y -0.435 -16.623 0.000
z 0.000 0.000 -17.477
Traceless
 xyz
x 0.292 -0.435 0.000
y -0.435 0.494 0.000
z 0.000 0.000 -0.787
Polar
3z2-r2-1.573
x2-y2-0.134
xy-0.435
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.301 -0.077 0.000
y -0.077 2.846 0.000
z 0.000 0.000 2.059


<r2> (average value of r2) Å2
<r2> 37.821
(<r2>)1/2 6.150