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

using model chemistry: LSDA/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 LSDA/aug-cc-pVTZ
 hartrees
Energy at 0K-188.717284
Energy at 298.15K-188.719866
HF Energy-188.717284
Nuclear repulsion energy70.701617
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/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' 3207 3177 2.91      
2 A' 3044 3015 5.11      
3 A' 1490 1476 52.19      
4 A' 1341 1329 11.50      
5 A' 1202 1191 29.49      
6 A' 1030 1020 65.93      
7 A' 538 533 0.50      
8 A" 844 836 36.80      
9 A" 667 661 10.41      

Unscaled Zero Point Vibrational Energy (zpe) 6681.4 cm-1
Scaled (by 0.9906) Zero Point Vibrational Energy (zpe) 6618.6 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/aug-cc-pVTZ
ABC
2.74190 0.42204 0.36574

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.451 0.000
C2 1.061 -0.233 0.000
H3 0.978 -1.324 0.000
H4 1.979 0.353 0.000
O5 -1.165 -0.155 0.000

Atom - Atom Distances (Å)
  O1 C2 H3 H4 O5
O11.26192.02661.98171.3131
C21.26191.09401.08962.2269
H32.02661.09401.95292.4413
H41.98171.08961.95293.1850
O51.31312.22692.44133.1850

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 118.499 O1 C2 H4 114.655
C2 O1 O5 119.708 H3 C2 H4 126.846
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O 0.077      
2 C -0.384      
3 H 0.359      
4 H 0.361      
5 O -0.413      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.748 -0.387 0.000 3.768
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.985 -0.423 0.000
y -0.423 -16.790 0.000
z 0.000 0.000 -17.696
Traceless
 xyz
x 0.258 -0.423 0.000
y -0.423 0.551 0.000
z 0.000 0.000 -0.809
Polar
3z2-r2-1.618
x2-y2-0.195
xy-0.423
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.673 -0.122 0.000
y -0.122 3.393 0.000
z 0.000 0.000 2.665


<r2> (average value of r2) Å2
<r2> 37.218
(<r2>)1/2 6.101