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

using model chemistry: B3PW91/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-311G**
 hartrees
Energy at 0K-213.747123
Energy at 298.15K-213.748440
Nuclear repulsion energy67.403909
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 B3PW91/6-311G**
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' 3092 2978 38.26      
2 A' 1920 1849 280.01      
3 A' 1376 1325 1.79      
4 A' 1087 1047 260.04      
5 A' 673 648 20.94      
6 A" 1043 1005 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 4595.3 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 4425.8 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 B3PW91/6-311G**
ABC
3.06553 0.39216 0.34769

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.397 0.000
O2 1.146 0.132 0.000
F3 -0.967 -0.537 0.000
H4 -0.463 1.392 0.000

Atom - Atom Distances (Å)
  C1 O2 F3 H4
C11.17611.34441.0967
O21.17612.21572.0433
F31.34442.21571.9932
H41.09672.04331.9932

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 122.923 O2 C1 H4 128.024
F3 C1 H4 109.053
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.331      
2 O -0.255      
3 F -0.186      
4 H 0.109      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.271 1.616 0.000 2.056
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.731 -1.158 0.000
y -1.158 -14.570 0.000
z 0.000 0.000 -15.018
Traceless
 xyz
x -3.937 -1.158 0.000
y -1.158 2.305 0.000
z 0.000 0.000 1.632
Polar
3z2-r23.265
x2-y2-4.161
xy-1.158
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.746 -0.039 0.000
y -0.039 1.927 0.000
z 0.000 0.000 1.234


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