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

using model chemistry: B1B95/STO-3G

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/STO-3G
 hartrees
Energy at 0K-186.986443
Energy at 298.15K-186.988755
HF Energy-186.986443
Nuclear repulsion energy68.041760
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/STO-3G
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' 3605 3183 3.59      
2 A' 3389 2992 57.85      
3 A' 1562 1379 11.45      
4 A' 1473 1300 21.97      
5 A' 1292 1141 5.06      
6 A' 1135 1002 9.01      
7 A' 507 448 1.24      
8 A" 681 601 23.06      
9 A" 567 501 42.46      

Unscaled Zero Point Vibrational Energy (zpe) 7104.7 cm-1
Scaled (by 0.883) Zero Point Vibrational Energy (zpe) 6273.4 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/STO-3G
ABC
2.52473 0.38984 0.33770

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.477 0.000
C2 1.102 -0.281 0.000
H3 1.027 -1.375 0.000
H4 2.050 0.266 0.000
O5 -1.211 -0.127 0.000

Atom - Atom Distances (Å)
  O1 C2 H3 H4 O5
O11.33752.11782.06061.3532
C21.33751.09631.09442.3181
H32.11781.09631.93332.5629
H42.06061.09441.93333.2844
O51.35322.31812.56293.2844

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 120.631 O1 C2 H4 115.483
C2 O1 O5 118.976 H3 C2 H4 123.886
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.003      
2 C -0.065      
3 H 0.103      
4 H 0.104      
5 O -0.138      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.878 -0.373 0.000 1.914
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.188 -0.062 0.000
y -0.062 -14.903 0.000
z 0.000 0.000 -15.203
Traceless
 xyz
x -0.135 -0.062 0.000
y -0.062 0.293 0.000
z 0.000 0.000 -0.158
Polar
3z2-r2-0.316
x2-y2-0.285
xy-0.062
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.768 -0.147 0.000
y -0.147 1.125 0.000
z 0.000 0.000 0.458


<r2> (average value of r2) Å2
<r2> 38.089
(<r2>)1/2 6.172