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

using model chemistry: PBEPBE/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at PBEPBE/6-311G*
 hartrees
Energy at 0K-188.943333
Energy at 298.15K-188.944596
HF Energy-188.943333
Nuclear repulsion energy63.225479
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 PBEPBE/6-311G*
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' 2971 2940 64.57      
2 A' 1447 1432 60.03      
3 A' 1354 1340 9.94      
4 A' 1234 1221 39.02      
5 A' 635 628 24.29      
6 A" 992 981 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 4316.2 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 4271.3 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 PBEPBE/6-311G*
ABC
2.50274 0.47316 0.39793

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.433 0.000
H2 -0.002 1.541 0.000
O3 -1.055 -0.259 0.000
O4 1.055 -0.259 0.000

Atom - Atom Distances (Å)
  C1 H2 O3 O4
C11.10791.26191.2620
H21.10792.08562.0873
O31.26192.08562.1107
O41.26202.08732.1107

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 123.173 H2 C1 O4 123.331
O3 C1 O4 113.496
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.152      
2 H 0.186      
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
  -0.002 2.174 0.000 2.174
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.530 -0.002 0.000
y -0.002 -14.718 0.000
z 0.000 0.000 -15.953
Traceless
 xyz
x -3.195 -0.002 0.000
y -0.002 2.524 0.000
z 0.000 0.000 0.670
Polar
3z2-r21.341
x2-y2-3.813
xy-0.002
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.416 -0.001 0.000
y -0.001 2.420 0.000
z 0.000 0.000 1.399


<r2> (average value of r2) Å2
<r2> 32.635
(<r2>)1/2 5.713