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

using model chemistry: PBEPBE/6-311G*

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/6-311G*
 hartrees
Energy at 0K-213.613388
Energy at 298.15K-213.614664
Nuclear repulsion energy66.637981
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/6-311G*
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' 3005 2974 47.12      
2 A' 1853 1834 248.60      
3 A' 1333 1320 1.39      
4 A' 1028 1017 236.17      
5 A' 642 635 17.89      
6 A" 984 974 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 4422.9 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 4376.9 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 PBEPBE/6-311G*
ABC
3.02655 0.38200 0.33919

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.401 0.000
O2 1.159 0.143 0.000
F3 -0.977 -0.549 0.000
H4 -0.477 1.398 0.000

Atom - Atom Distances (Å)
  C1 O2 F3 H4
C11.18691.36281.1053
O21.18692.24472.0617
F31.36282.24472.0103
H41.10532.06172.0103

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 123.237 O2 C1 H4 128.132
F3 C1 H4 108.631
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.182      
2 O -0.214      
3 F -0.159      
4 H 0.190      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.189 1.490 0.000 1.906
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.609 -1.097 0.000
y -1.097 -14.726 0.000
z 0.000 0.000 -15.201
Traceless
 xyz
x -3.645 -1.097 0.000
y -1.097 2.179 0.000
z 0.000 0.000 1.466
Polar
3z2-r22.932
x2-y2-3.883
xy-1.097
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.861 -0.010 0.000
y -0.010 2.035 0.000
z 0.000 0.000 1.255


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