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

using model chemistry: B3PW91/STO-3G

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/STO-3G
 hartrees
Energy at 0K-210.719022
Energy at 298.15K-210.720225
Nuclear repulsion energy64.894491
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/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' 3202 2834 16.26      
2 A' 1891 1673 70.43      
3 A' 1439 1274 3.87      
4 A' 1206 1067 60.20      
5 A' 624 552 15.36      
6 A" 941 833 0.67      

Unscaled Zero Point Vibrational Energy (zpe) 4650.8 cm-1
Scaled (by 0.885) Zero Point Vibrational Energy (zpe) 4116.0 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/STO-3G
ABC
2.83986 0.36440 0.32296

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.409 0.000
O2 1.200 0.088 0.000
F3 -1.021 -0.513 0.000
H4 -0.414 1.459 0.000

Atom - Atom Distances (Å)
  C1 O2 F3 H4
C11.24261.37561.1287
O21.24262.30072.1185
F31.37562.30072.0633
H41.12872.11852.0633

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 122.897 O2 C1 H4 126.541
F3 C1 H4 110.562
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.159      
2 O -0.179      
3 F -0.058      
4 H 0.078      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.138 0.799 0.000 1.390
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.285 -0.508 0.000
y -0.508 -13.377 0.000
z 0.000 0.000 -13.512
Traceless
 xyz
x -2.841 -0.508 0.000
y -0.508 1.522 0.000
z 0.000 0.000 1.319
Polar
3z2-r22.638
x2-y2-2.909
xy-0.508
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.769 0.028 0.000
y 0.028 1.046 0.000
z 0.000 0.000 0.393


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