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

using model chemistry: PBEPBE/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 PBEPBE/6-31G*
 hartrees
Energy at 0K-213.548273
Energy at 298.15K-213.549553
Nuclear repulsion energy66.492957
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 PBEPBE/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' 3025 2982 45.85      
2 A' 1860 1833 222.03      
3 A' 1352 1333 1.89      
4 A' 1073 1057 205.80      
5 A' 641 632 16.27      
6 A" 995 981 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 4472.8 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 4408.8 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 PBEPBE/6-31G*
ABC
3.02299 0.38034 0.33784

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.399 0.000
O2 1.165 0.129 0.000
F3 -0.984 -0.537 0.000
H4 -0.461 1.405 0.000

Atom - Atom Distances (Å)
  C1 O2 F3 H4
C11.19581.35841.1070
O21.19582.25042.0669
F31.35842.25042.0118
H41.10702.06692.0118

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 123.418 O2 C1 H4 127.629
F3 C1 H4 108.953
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.345      
2 O -0.301      
3 F -0.194      
4 H 0.150      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.302 1.334 0.000 1.864
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.198 -0.896 0.000
y -0.896 -14.530 0.000
z 0.000 0.000 -14.986
Traceless
 xyz
x -3.439 -0.896 0.000
y -0.896 2.062 0.000
z 0.000 0.000 1.377
Polar
3z2-r22.755
x2-y2-3.668
xy-0.896
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.804 -0.035 0.000
y -0.035 2.033 0.000
z 0.000 0.000 1.221


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000