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

using model chemistry: PBEPBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-213.564469
Energy at 298.15K-213.565745
Nuclear repulsion energy66.445328
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 PBEPBE/cc-pVDZ
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' 2990 2972 41.91      
2 A' 1850 1839 234.17      
3 A' 1304 1296 1.88      
4 A' 1043 1037 217.43      
5 A' 637 633 16.82      
6 A" 983 977 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 4402.7 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 4377.1 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 PBEPBE/cc-pVDZ
ABC
2.97909 0.38113 0.33790

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.403 0.000
O2 1.162 0.134 0.000
F3 -0.980 -0.544 0.000
H4 -0.477 1.411 0.000

Atom - Atom Distances (Å)
  C1 O2 F3 H4
C11.19311.36311.1157
O21.19312.24762.0783
F31.36312.24762.0195
H41.11572.07832.0195

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 122.972 O2 C1 H4 128.320
F3 C1 H4 108.708
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.236      
2 O -0.138      
3 F -0.134      
4 H 0.036      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.153 1.382 0.000 1.800
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.179 -0.979 0.000
y -0.979 -14.608 0.000
z 0.000 0.000 -15.024
Traceless
 xyz
x -3.363 -0.979 0.000
y -0.979 1.993 0.000
z 0.000 0.000 1.369
Polar
3z2-r22.739
x2-y2-3.570
xy-0.979
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.763 -0.039 0.000
y -0.039 2.044 0.000
z 0.000 0.000 1.202


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