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

using model chemistry: wB97X-D/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at wB97X-D/TZVP
 hartrees
Energy at 0K-189.084352
Energy at 298.15K-189.085445
HF Energy-189.084352
Nuclear repulsion energy63.333155
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 wB97X-D/TZVP
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' 2483 2371 52.45      
2 A' 1792 1712 176.66      
3 A' 1133 1082 2.33      
4 A' 967 923 100.43      
5 A' 480 458 108.76      
6 A" 881 841 0.62      

Unscaled Zero Point Vibrational Energy (zpe) 3867.5 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 3693.4 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 wB97X-D/TZVP
ABC
4.89031 0.39451 0.36506

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.243 0.000
H2 -0.348 1.337 0.000
O3 1.165 -0.017 0.000
O4 -1.122 -0.332 0.000

Atom - Atom Distances (Å)
  C1 H2 O3 O4
C11.14791.19381.2605
H21.14792.03041.8394
O31.19382.03042.3084
O41.26051.83942.3084

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 120.228 H2 C1 O4 99.492
O3 C1 O4 140.279
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.276      
2 H 0.146      
3 O -0.275      
4 O -0.146      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.996 1.541 0.000 1.835
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.842 -0.829 0.000
y -0.829 -14.306 0.000
z 0.000 0.000 -15.979
Traceless
 xyz
x -5.699 -0.829 0.000
y -0.829 4.104 0.000
z 0.000 0.000 1.595
Polar
3z2-r23.190
x2-y2-6.536
xy-0.829
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.265 0.667 0.000
y 0.667 2.739 0.000
z 0.000 0.000 1.544


<r2> (average value of r2) Å2
<r2> 34.705
(<r2>)1/2 5.891