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All results from a given calculation for HFCO (formyl fluoride)

using model chemistry: HSEh1PBE/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HSEh1PBE/6-31G*
 hartrees
Energy at 0K-213.564025
Energy at 298.15K-213.565345
Nuclear repulsion energy67.379516
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 HSEh1PBE/6-31G*
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' 3140 2986 42.26      
2 A' 1950 1854 262.23      
3 A' 1410 1341 3.22      
4 A' 1145 1089 228.68      
5 A' 676 642 20.36      
6 A" 1052 1001 0.40      

Unscaled Zero Point Vibrational Energy (zpe) 4686.1 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 4456.5 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 HSEh1PBE/6-31G*
ABC
3.08526 0.39142 0.34735

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.394 0.000
O2 1.150 0.119 0.000
F3 -0.973 -0.524 0.000
H4 -0.445 1.396 0.000

Atom - Atom Distances (Å)
  C1 O2 F3 H4
C11.18261.33711.0972
O21.18262.21862.0437
F31.33712.21861.9912
H41.09722.04371.9912

picture of formyl fluoride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 C1 F3 123.287 O2 C1 H4 127.344
F3 C1 H4 109.369
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.401      
2 O -0.337      
3 F -0.229      
4 H 0.165      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.386 1.469 0.000 2.019
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.409 -0.969 0.000
y -0.969 -14.438 0.000
z 0.000 0.000 -14.899
Traceless
 xyz
x -3.740 -0.969 0.000
y -0.969 2.216 0.000
z 0.000 0.000 1.524
Polar
3z2-r23.049
x2-y2-3.971
xy-0.969
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.679 -0.070 0.000
y -0.070 1.925 0.000
z 0.000 0.000 1.195


<r2> (average value of r2) Å2
<r2> 34.707
(<r2>)1/2 5.891