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

using model chemistry: MP2/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-213.487202
Energy at 298.15K-213.488509
HF Energy-212.834289
Nuclear repulsion energy67.135264
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/aug-cc-pVTZ
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' 3158 3009 17.14      
2 A' 1848 1761 253.64      
3 A' 1375 1310 0.11      
4 A' 1072 1022 270.66      
5 A' 660 629 20.12      
6 A" 1035 986 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 4573.8 cm-1
Scaled (by 0.9529) Zero Point Vibrational Energy (zpe) 4358.4 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 MP2/aug-cc-pVTZ
ABC
3.04746 0.38892 0.34490

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.399 0.000
O2 1.153 0.127 0.000
F3 -0.974 -0.533 0.000
H4 -0.459 1.388 0.000

Atom - Atom Distances (Å)
  C1 O2 F3 H4
C11.18471.34831.0898
O21.18472.22702.0464
F31.34832.22701.9887
H41.08982.04641.9887

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 122.958 O2 C1 H4 128.195
F3 C1 H4 108.848
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability