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

using model chemistry: B1B95/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 B1B95/CEP-121G
 hartrees
Energy at 0K-46.316821
Energy at 298.15K-46.318083
Nuclear repulsion energy36.051893
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 B1B95/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' 3135 3135 25.22      
2 A' 1786 1786 264.78      
3 A' 1354 1354 1.30      
4 A' 999 999 247.17      
5 A' 610 610 22.66      
6 A" 991 991 0.77      

Unscaled Zero Point Vibrational Energy (zpe) 4437.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4437.4 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 B1B95/CEP-121G
ABC
2.85934 0.36787 0.32594

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.422 0.000
O2 1.178 0.147 0.000
F3 -0.994 -0.569 0.000
H4 -0.477 1.408 0.000

Atom - Atom Distances (Å)
  C1 O2 F3 H4
C11.20931.40371.0948
O21.20932.28642.0801
F31.40372.28642.0430
H41.09482.08012.0430

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 121.925 O2 C1 H4 128.988
F3 C1 H4 109.086
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.118      
2 O -0.091      
3 F -0.194      
4 H 0.166      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.120 2.178 0.000 2.449
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.020 -1.618 0.000
y -1.618 -14.844 0.000
z 0.000 0.000 -15.285
Traceless
 xyz
x -4.955 -1.618 0.000
y -1.618 2.808 0.000
z 0.000 0.000 2.148
Polar
3z2-r24.295
x2-y2-5.175
xy-1.618
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.989 0.041 0.000
y 0.041 1.928 0.000
z 0.000 0.000 1.172


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