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

using model chemistry: PBEPBE/cc-pVQZ

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/cc-pVQZ
 hartrees
Energy at 0K-188.981128
Energy at 298.15K-188.982390
HF Energy-188.981128
Nuclear repulsion energy63.357072
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/cc-pVQZ
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' 2969 2969 42.53      
2 A' 1445 1445 52.15      
3 A' 1334 1334 12.05      
4 A' 1222 1222 39.99      
5 A' 630 630 20.46      
6 A" 992 992 0.34      

Unscaled Zero Point Vibrational Energy (zpe) 4295.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4295.9 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/cc-pVQZ
ABC
2.48409 0.47734 0.40040

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVQZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.436 0.000
H2 -0.001 1.541 0.000
O3 -1.051 -0.260 0.000
O4 1.051 -0.260 0.000

Atom - Atom Distances (Å)
  C1 H2 O3 O4
C11.10511.26011.2606
H21.10512.08452.0860
O31.26012.08452.1014
O41.26062.08602.1014

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 123.468 H2 C1 O4 123.580
O3 C1 O4 112.952
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.446      
2 H 0.023      
3 O -0.234      
4 O -0.235      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.001 2.235 0.000 2.235
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.771 -0.001 0.000
y -0.001 -14.901 0.000
z 0.000 0.000 -16.158
Traceless
 xyz
x -3.242 -0.001 0.000
y -0.001 2.564 0.000
z 0.000 0.000 0.678
Polar
3z2-r21.356
x2-y2-3.870
xy-0.001
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.031 -0.001 0.000
y -0.001 2.965 0.000
z 0.000 0.000 1.980


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