return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: BLYP/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-213.750330
Energy at 298.15K-213.751614
Nuclear repulsion energy66.647324
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(2df,p)
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' 2984 2968 39.39      
2 A' 1828 1818 210.20      
3 A' 1351 1343 0.92      
4 A' 1051 1045 194.74      
5 A' 642 638 15.10      
6 A" 1002 997 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 4428.8 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 4404.4 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 BLYP/6-31G(2df,p)
ABC
3.02602 0.38248 0.33956

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.399 0.000
O2 1.162 0.130 0.000
F3 -0.981 -0.538 0.000
H4 -0.465 1.402 0.000

Atom - Atom Distances (Å)
  C1 O2 F3 H4
C11.19231.35641.1053
O21.19232.24402.0648
F31.35642.24402.0069
H41.10532.06482.0069

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 123.268 O2 C1 H4 127.934
F3 C1 H4 108.798
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.099      
2 O -0.172      
3 F -0.031      
4 H 0.104      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.257 1.315 0.000 1.819
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.230 -0.941 0.000
y -0.941 -14.613 0.000
z 0.000 0.000 -14.944
Traceless
 xyz
x -3.451 -0.941 0.000
y -0.941 1.974 0.000
z 0.000 0.000 1.477
Polar
3z2-r22.954
x2-y2-3.616
xy-0.941
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.916 -0.028 0.000
y -0.028 2.287 0.000
z 0.000 0.000 1.505


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