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

using model chemistry: B3PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G
 hartrees
Energy at 0K-213.616428
Energy at 298.15K-213.617710
Nuclear repulsion energy65.717446
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 B3PW91/6-31G
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' 3186 3052 26.79      
2 A' 1823 1746 221.16      
3 A' 1392 1333 2.16      
4 A' 1048 1004 206.15      
5 A' 632 605 20.65      
6 A" 1022 979 0.30      

Unscaled Zero Point Vibrational Energy (zpe) 4551.2 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 4358.7 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 B3PW91/6-31G
ABC
2.93157 0.37148 0.32970

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.415 0.000
O2 1.172 0.147 0.000
F3 -0.990 -0.562 0.000
H4 -0.469 1.399 0.000

Atom - Atom Distances (Å)
  C1 O2 F3 H4
C11.20261.39111.0897
O21.20262.27562.0640
F31.39112.27562.0292
H41.08972.06402.0292

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 122.486 O2 C1 H4 128.356
F3 C1 H4 109.158
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.401      
2 O -0.316      
3 F -0.278      
4 H 0.194      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.213 1.927 0.000 2.277
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.522 -1.390 0.000
y -1.390 -14.637 0.000
z 0.000 0.000 -15.084
Traceless
 xyz
x -4.661 -1.390 0.000
y -1.390 2.666 0.000
z 0.000 0.000 1.996
Polar
3z2-r23.991
x2-y2-4.885
xy-1.390
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.769 0.019 0.000
y 0.019 1.758 0.000
z 0.000 0.000 0.959


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