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

using model chemistry: B3LYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B3LYP/STO-3G
 hartrees
Energy at 0K-186.500383
Energy at 298.15K-186.501396
HF Energy-186.500383
Nuclear repulsion energy59.344088
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 B3LYP/STO-3G
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' 3134 2797 6.29      
2 A' 1771 1581 38.19      
3 A' 1385 1236 2.41      
4 A' 1056 943 18.85      
5 A' 456 407 12.03      
6 A" 897 800 1.17      

Unscaled Zero Point Vibrational Energy (zpe) 4349.7 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 3881.6 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 B3LYP/STO-3G
ABC
2.93594 0.37559 0.33299

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.387 0.000
H2 -0.361 1.459 0.000
O3 1.185 -0.015 0.000
O4 -1.140 -0.458 0.000

Atom - Atom Distances (Å)
  C1 H2 O3 O4
C11.13141.25151.4188
H21.13142.13652.0690
O31.25152.13652.3667
O41.41882.06902.3667

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 127.366 H2 C1 O4 107.924
O3 C1 O4 124.709
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.130      
2 H 0.082      
3 O -0.182      
4 O -0.029      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.083 0.914 0.000 1.417
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.837 -0.711 0.000
y -0.711 -13.541 0.000
z 0.000 0.000 -14.228
Traceless
 xyz
x -2.952 -0.711 0.000
y -0.711 1.991 0.000
z 0.000 0.000 0.961
Polar
3z2-r21.922
x2-y2-3.296
xy-0.711
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.096 0.020 0.000
y 0.020 1.249 0.000
z 0.000 0.000 0.403


<r2> (average value of r2) Å2
<r2> 35.752
(<r2>)1/2 5.979