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

using model chemistry: BLYP/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/6-31G*
 hartrees
Energy at 0K-213.734854
Energy at 298.15K-213.736125
HF Energy-213.734854
Nuclear repulsion energy66.236765
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 BLYP/6-31G*
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' 3012 2987 46.34      
2 A' 1833 1818 216.13      
3 A' 1358 1347 1.99      
4 A' 1045 1036 205.58      
5 A' 633 628 15.85      
6 A" 994 986 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 4437.0 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 4401.1 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 BLYP/6-31G*
ABC
3.00581 0.37700 0.33498

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.398 0.000
O2 1.169 0.137 0.000
F3 -0.987 -0.543 0.000
H4 -0.467 1.402 0.000

Atom - Atom Distances (Å)
  C1 O2 F3 H4
C11.19731.36331.1074
O21.19732.26002.0676
F31.36332.26002.0133
H41.10742.06762.0133

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 123.783 O2 C1 H4 127.515
F3 C1 H4 108.702
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.369      
2 O -0.301      
3 F -0.200      
4 H 0.132      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.273 1.355 0.000 1.859
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.275 -0.924 0.000
y -0.924 -14.579 0.000
z 0.000 0.000 -14.969
Traceless
 xyz
x -3.501 -0.924 0.000
y -0.924 2.043 0.000
z 0.000 0.000 1.458
Polar
3z2-r22.917
x2-y2-3.696
xy-0.924
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.809 -0.026 0.000
y -0.026 2.037 0.000
z 0.000 0.000 1.212


<r2> (average value of r2) Å2
<r2> 35.616
(<r2>)1/2 5.968