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

using model chemistry: B3LYP/CEP-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 B3LYP/CEP-31G*
 hartrees
Energy at 0K-46.415627
Energy at 298.15K-46.416916
Nuclear repulsion energy36.667180
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-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' 3118 3011 42.12      
2 A' 1890 1825 302.19      
3 A' 1364 1317 1.35      
4 A' 1081 1044 257.72      
5 A' 650 628 19.18      
6 A" 1010 976 0.49      

Unscaled Zero Point Vibrational Energy (zpe) 4556.1 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 4399.8 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 B3LYP/CEP-31G*
ABC
2.97625 0.38132 0.33801

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.404 0.000
O2 1.165 0.123 0.000
F3 -0.984 -0.535 0.000
H4 -0.457 1.411 0.000

Atom - Atom Distances (Å)
  C1 O2 F3 H4
C11.19801.36011.1064
O21.19802.24752.0711
F31.36012.24752.0164
H41.10642.07112.0164

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 122.811 O2 C1 H4 127.946
F3 C1 H4 109.243
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.057      
2 O -0.041      
3 F -0.110      
4 H 0.208      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.351 1.785 0.000 2.239
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.930 -1.243 0.000
y -1.243 -14.461 0.000
z 0.000 0.000 -15.206
Traceless
 xyz
x -4.097 -1.243 0.000
y -1.243 2.607 0.000
z 0.000 0.000 1.490
Polar
3z2-r22.980
x2-y2-4.469
xy-1.243
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.816 -0.001 0.000
y -0.001 1.955 0.000
z 0.000 0.000 1.360


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