return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B3LYP/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/CEP-121G
 hartrees
Energy at 0K-46.354696
Energy at 298.15K-46.355940
Nuclear repulsion energy35.822182
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 B3LYP/CEP-121G
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' 3115 3036 24.29      
2 A' 1745 1701 249.85      
3 A' 1343 1308 1.61      
4 A' 969 944 239.48      
5 A' 596 580 20.94      
6 A" 978 953 1.43      

Unscaled Zero Point Vibrational Energy (zpe) 4372.5 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 4261.0 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 B3LYP/CEP-121G
ABC
2.83043 0.36257 0.32140

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.427 0.000
O2 1.184 0.156 0.000
F3 -0.998 -0.579 0.000
H4 -0.486 1.408 0.000

Atom - Atom Distances (Å)
  C1 O2 F3 H4
C11.21461.41711.0954
O21.21462.30272.0878
F31.41712.30272.0521
H41.09542.08782.0521

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 121.897 O2 C1 H4 129.253
F3 C1 H4 108.850
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.099      
2 O -0.068      
3 F -0.188      
4 H 0.157      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.116 2.211 0.000 2.476
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.080 -1.661 0.000
y -1.661 -14.904 0.000
z 0.000 0.000 -15.414
Traceless
 xyz
x -4.920 -1.661 0.000
y -1.661 2.843 0.000
z 0.000 0.000 2.078
Polar
3z2-r24.155
x2-y2-5.175
xy-1.661
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.059 0.053 0.000
y 0.053 1.991 0.000
z 0.000 0.000 1.198


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