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

using model chemistry: wB97X-D/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-189.086169
Energy at 298.15K-189.087268
HF Energy-189.086169
Nuclear repulsion energy63.411528
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/cc-pVTZ
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' 2436 2329 42.24      
2 A' 1786 1708 139.81      
3 A' 1156 1105 0.56      
4 A' 895 855 120.06      
5 A' 506 484 123.87      
6 A" 874 835 0.42      

Unscaled Zero Point Vibrational Energy (zpe) 3825.7 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 3657.4 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/cc-pVTZ
ABC
5.05033 0.39342 0.36499

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.239 0.000
H2 -0.351 1.331 0.000
O3 1.166 -0.014 0.000
O4 -1.122 -0.332 0.000

Atom - Atom Distances (Å)
  C1 H2 O3 O4
C11.14701.19351.2593
H21.14702.02811.8330
O31.19352.02812.3105
O41.25931.83302.3105

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 120.106 H2 C1 O4 99.130
O3 C1 O4 140.763
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.267      
2 H 0.129      
3 O -0.245      
4 O -0.152      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.888 1.455 0.000 1.705
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.316 -0.746 0.000
y -0.746 -14.186 0.000
z 0.000 0.000 -15.856
Traceless
 xyz
x -5.295 -0.746 0.000
y -0.746 3.899 0.000
z 0.000 0.000 1.395
Polar
3z2-r22.791
x2-y2-6.130
xy-0.746
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.175 0.604 0.000
y 0.604 2.796 0.000
z 0.000 0.000 1.686


<r2> (average value of r2) Å2
<r2> 34.541
(<r2>)1/2 5.877