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

using model chemistry: B3LYP/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-189.093438
Energy at 298.15K-189.094704
HF Energy-189.093438
Nuclear repulsion energy63.812873
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/6-31G(2df,p)
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' 3050 2943 46.83      
2 A' 1506 1453 62.57      
3 A' 1298 1253 87.25      
4 A' 1094 1055 185.44      
5 A' 655 632 23.04      
6 A" 1041 1004 0.97      

Unscaled Zero Point Vibrational Energy (zpe) 4321.3 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 4170.0 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/6-31G(2df,p)
ABC
2.51654 0.48450 0.40628

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.433 0.000
H2 -0.001 1.533 0.000
O3 1.043 -0.257 0.000
O4 -1.043 -0.259 0.000

Atom - Atom Distances (Å)
  C1 H2 O3 O4
C11.09951.25091.2515
H21.09952.07232.0723
O31.25092.07232.0858
O41.25152.07232.0858

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 123.571 H2 C1 O4 123.502
O3 C1 O4 112.928
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.212      
2 H 0.126      
3 O -0.169      
4 O -0.169      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.004 2.204 0.000 2.204
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.288 -0.003 0.000
y -0.003 -14.486 0.000
z 0.000 0.000 -15.643
Traceless
 xyz
x -3.224 -0.003 0.000
y -0.003 2.480 0.000
z 0.000 0.000 0.744
Polar
3z2-r21.489
x2-y2-3.802
xy-0.003
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.331 0.003 0.000
y 0.003 2.519 0.000
z 0.000 0.000 1.617


<r2> (average value of r2) Å2
<r2> 32.023
(<r2>)1/2 5.659