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

using model chemistry: B1B95/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B1B95/aug-cc-pVDZ
 hartrees
Energy at 0K-189.542666
Energy at 298.15K-189.545278
HF Energy-189.542666
Nuclear repulsion energy70.562179
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 B1B95/aug-cc-pVDZ
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' 3323 3183 0.64      
2 A' 3155 3022 3.83      
3 A' 1564 1499 39.52      
4 A' 1403 1344 11.77      
5 A' 1241 1189 24.79      
6 A' 969 928 116.07      
7 A' 534 511 0.08      
8 A" 950 910 32.92      
9 A" 685 656 4.70      

Unscaled Zero Point Vibrational Energy (zpe) 6912.2 cm-1
Scaled (by 0.9579) Zero Point Vibrational Energy (zpe) 6621.2 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 B1B95/aug-cc-pVDZ
ABC
2.70651 0.42165 0.36482

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.457 0.000
C2 1.060 -0.212 0.000
H3 0.995 -1.299 0.000
H4 1.976 0.372 0.000
O5 -1.166 -0.182 0.000

Atom - Atom Distances (Å)
  O1 C2 H3 H4 O5
O11.25342.01831.97761.3297
C21.25341.08901.08622.2263
H32.01831.08901.93752.4329
H41.97761.08621.93753.1904
O51.32972.22632.43293.1904

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 118.840 O1 C2 H4 115.228
C2 O1 O5 119.031 H3 C2 H4 125.932
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O 0.021      
2 C 0.866      
3 H -0.179      
4 H -0.237      
5 O -0.471      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.244 -0.384 0.000 4.261
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.764 -0.521 0.000
y -0.521 -16.581 0.000
z 0.000 0.000 -17.504
Traceless
 xyz
x 0.279 -0.521 0.000
y -0.521 0.553 0.000
z 0.000 0.000 -0.832
Polar
3z2-r2-1.663
x2-y2-0.183
xy-0.521
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.638 -0.059 0.000
y -0.059 3.094 0.000
z 0.000 0.000 2.421


<r2> (average value of r2) Å2
<r2> 37.132
(<r2>)1/2 6.094