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

using model chemistry: LSDA/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at LSDA/3-21G
 hartrees
Energy at 0K-211.555826
Energy at 298.15K-211.557135
Nuclear repulsion energy66.248107
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 LSDA/3-21G
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' 3004 2954 44.82      
2 A' 1837 1807 159.20      
3 A' 1383 1360 1.17      
4 A' 1117 1099 145.79      
5 A' 656 646 16.05      
6 A" 1042 1025 1.11      

Unscaled Zero Point Vibrational Energy (zpe) 4519.5 cm-1
Scaled (by 0.9836) Zero Point Vibrational Energy (zpe) 4445.4 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 LSDA/3-21G
ABC
2.97337 0.37856 0.33580

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.404 0.000
O2 1.169 0.124 0.000
F3 -0.988 -0.536 0.000
H4 -0.456 1.410 0.000

Atom - Atom Distances (Å)
  C1 O2 F3 H4
C11.20191.36431.1043
O21.20192.25572.0724
F31.36432.25572.0176
H41.10432.07242.0176

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 122.916 O2 C1 H4 127.906
F3 C1 H4 109.178
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.347      
2 O -0.352      
3 F -0.206      
4 H 0.211      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.226 1.416 0.000 1.873
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.562 -0.956 0.000
y -0.956 -14.531 0.000
z 0.000 0.000 -14.974
Traceless
 xyz
x -3.809 -0.956 0.000
y -0.956 2.237 0.000
z 0.000 0.000 1.572
Polar
3z2-r23.144
x2-y2-4.031
xy-0.956
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.449 -0.027 0.000
y -0.027 1.687 0.000
z 0.000 0.000 0.837


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