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

using model chemistry: LSDA/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at LSDA/TZVP
 hartrees
Energy at 0K-188.707099
Energy at 298.15K-188.709675
HF Energy-188.707099
Nuclear repulsion energy70.548110
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 LSDA/TZVP
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' 3217 3180 2.89      
2 A' 3053 3017 5.61      
3 A' 1488 1471 47.40      
4 A' 1353 1337 12.80      
5 A' 1209 1195 23.47      
6 A' 1021 1009 66.84      
7 A' 538 532 0.53      
8 A" 832 822 49.82      
9 A" 668 661 12.27      

Unscaled Zero Point Vibrational Energy (zpe) 6689.7 cm-1
Scaled (by 0.9884) Zero Point Vibrational Energy (zpe) 6612.1 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 LSDA/TZVP
ABC
2.75808 0.41871 0.36352

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.449 0.000
C2 1.065 -0.234 0.000
H3 0.990 -1.326 0.000
H4 1.981 0.355 0.000
O5 -1.170 -0.152 0.000

Atom - Atom Distances (Å)
  O1 C2 H3 H4 O5
O11.26472.03231.98361.3150
C21.26471.09481.09002.2360
H32.03231.09481.95232.4584
H41.98361.09001.95233.1919
O51.31502.23602.45843.1919

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 118.757 O1 C2 H4 114.587
C2 O1 O5 120.153 H3 C2 H4 126.657
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O 0.077      
2 C -0.108      
3 H 0.172      
4 H 0.174      
5 O -0.315      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.807 -0.420 0.000 3.830
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.951 -0.370 0.000
y -0.370 -16.731 0.000
z 0.000 0.000 -17.594
Traceless
 xyz
x 0.212 -0.370 0.000
y -0.370 0.541 0.000
z 0.000 0.000 -0.753
Polar
3z2-r2-1.506
x2-y2-0.219
xy-0.370
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.089 -0.115 0.000
y -0.115 2.661 0.000
z 0.000 0.000 1.811


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