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

using model chemistry: wB97X-D/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-189.021208
Energy at 298.15K-189.022285
HF Energy-189.021208
Nuclear repulsion energy62.969477
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/6-31+G**
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' 2555 2433 51.34      
2 A' 1783 1698 155.42      
3 A' 1146 1091 2.07      
4 A' 959 913 113.23      
5 A' 466 444 129.46      
6 A" 881 839 0.23      

Unscaled Zero Point Vibrational Energy (zpe) 3894.7 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 3708.9 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 wB97X-D/6-31+G**
ABC
4.82537 0.39010 0.36092

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.242 0.000
H2 -0.341 1.338 0.000
O3 1.172 -0.020 0.000
O4 -1.130 -0.328 0.000

Atom - Atom Distances (Å)
  C1 H2 O3 O4
C11.14791.20131.2656
H21.14792.03371.8438
O31.20132.03372.3225
O41.26561.84382.3225

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 119.902 H2 C1 O4 99.515
O3 C1 O4 140.583
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.364      
2 H 0.202      
3 O -0.372      
4 O -0.194      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.018 1.596 0.000 1.893
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.958 -0.785 0.000
y -0.785 -14.374 0.000
z 0.000 0.000 -16.160
Traceless
 xyz
x -5.691 -0.785 0.000
y -0.785 4.185 0.000
z 0.000 0.000 1.506
Polar
3z2-r23.012
x2-y2-6.585
xy-0.785
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.664 0.682 0.000
y 0.682 2.841 0.000
z 0.000 0.000 1.666


<r2> (average value of r2) Å2
<r2> 35.045
(<r2>)1/2 5.920