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

using model chemistry: MP2=FULL/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 MP2=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-213.372375
Energy at 298.15K-213.373706
HF Energy-212.763076
Nuclear repulsion energy67.555520
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 MP2=FULL/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' 3161 2971 27.97      
2 A' 1892 1779 216.47      
3 A' 1422 1336 0.51      
4 A' 1146 1077 216.44      
5 A' 680 639 19.47      
6 A" 1073 1008 0.20      

Unscaled Zero Point Vibrational Energy (zpe) 4686.5 cm-1
Scaled (by 0.9399) Zero Point Vibrational Energy (zpe) 4404.9 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 MP2=FULL/6-31G(2df,p)
ABC
3.12991 0.39261 0.34885

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.391 0.000
O2 1.151 0.124 0.000
F3 -0.973 -0.525 0.000
H4 -0.457 1.382 0.000

Atom - Atom Distances (Å)
  C1 O2 F3 H4
C11.18201.33651.0910
O21.18202.22132.0420
F31.33652.22131.9754
H41.09102.04201.9754

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 123.651 O2 C1 H4 127.840
F3 C1 H4 108.509
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability