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

using model chemistry: BLYP/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 BLYP/aug-cc-pVDZ
 hartrees
Energy at 0K-189.595387
Energy at 298.15K-189.597910
HF Energy-189.595387
Nuclear repulsion energy68.878174
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 BLYP/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' 3214 3207 0.26      
2 A' 3049 3043 2.03      
3 A' 1443 1440 22.87      
4 A' 1319 1317 25.33      
5 A' 1188 1185 16.38      
6 A' 902 900 75.64      
7 A' 516 515 0.44      
8 A" 853 851 34.81      
9 A" 635 634 7.26      

Unscaled Zero Point Vibrational Energy (zpe) 6558.9 cm-1
Scaled (by 0.9981) Zero Point Vibrational Energy (zpe) 6546.5 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 BLYP/aug-cc-pVDZ
ABC
2.58718 0.40077 0.34702

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.469 0.000
C2 1.089 -0.212 0.000
H3 1.036 -1.309 0.000
H4 2.004 0.389 0.000
O5 -1.197 -0.194 0.000

Atom - Atom Distances (Å)
  O1 C2 H3 H4 O5
O11.28432.05752.00511.3680
C21.28431.09761.09502.2854
H32.05751.09761.95432.4955
H42.00511.09501.95433.2530
O51.36802.28542.49553.2530

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 119.289 O1 C2 H4 114.629
C2 O1 O5 118.976 H3 C2 H4 126.082
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O 0.061      
2 C 1.024      
3 H -0.288      
4 H -0.357      
5 O -0.440      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.940 -0.364 0.000 3.957
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.137 -0.422 0.000
y -0.422 -17.077 0.000
z 0.000 0.000 -17.855
Traceless
 xyz
x 0.329 -0.422 0.000
y -0.422 0.419 0.000
z 0.000 0.000 -0.748
Polar
3z2-r2-1.495
x2-y2-0.060
xy-0.422
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.108 -0.027 0.000
y -0.027 3.404 0.000
z 0.000 0.000 2.596


<r2> (average value of r2) Å2
<r2> 38.691
(<r2>)1/2 6.220