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All results from a given calculation for HCOO (formate neutral radical)

using model chemistry: B3LYP/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B3LYP/LANL2DZ
 hartrees
Energy at 0K-189.050114
Energy at 298.15K-189.051051
HF Energy-189.050114
Nuclear repulsion energy60.892579
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 B3LYP/LANL2DZ
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' 2797 2688 48.65      
2 A' 1630 1567 177.57      
3 A' 1233 1185 14.03      
4 A' 888 854 2.64      
5 A' 330 317 68.17      
6 A" 910 874 0.97      

Unscaled Zero Point Vibrational Energy (zpe) 3893.7 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 3742.6 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 B3LYP/LANL2DZ
ABC
3.92939 0.37398 0.34148

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.302 0.000
H2 -0.363 1.367 0.000
O3 1.193 -0.004 0.000
O4 -1.148 -0.393 0.000

Atom - Atom Distances (Å)
  C1 H2 O3 O4
C11.12561.23151.3414
H21.12562.07411.9267
O31.23152.07412.3728
O41.34141.92672.3728

picture of formate neutral radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 O3 123.200 H2 C1 O4 102.347
O3 C1 O4 134.453
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.091      
2 H 0.231      
3 O -0.208      
4 O -0.114      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.312 1.730 0.000 2.171
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.524 -1.138 0.000
y -1.138 -14.414 0.000
z 0.000 0.000 -16.206
Traceless
 xyz
x -6.214 -1.138 0.000
y -1.138 4.451 0.000
z 0.000 0.000 1.762
Polar
3z2-r23.525
x2-y2-7.110
xy-1.138
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.566 0.550 0.000
y 0.550 2.267 0.000
z 0.000 0.000 1.177


<r2> (average value of r2) Å2
<r2> 36.561
(<r2>)1/2 6.047