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All results from a given calculation for HCCF (Fluoroacetylene)

using model chemistry: CCSD/aug-cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 1Σ
Energy calculated at CCSD/aug-cc-pVQZ
 hartrees
Energy at 0K-176.324786
Energy at 298.15K 
HF Energy-175.726937
Nuclear repulsion energy55.702654
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 CCSD/aug-cc-pVQZ
Rotational Constants (cm-1) from geometry optimized at CCSD/aug-cc-pVQZ
B
0.32560

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.094
C2 0.000 0.000 -1.287
F3 0.000 0.000 1.182
H4 0.000 0.000 -2.347

Atom - Atom Distances (Å)
  C1 C2 F3 H4
C11.19281.27572.2523
C21.19282.46851.0595
F31.27572.46853.5281
H42.25231.05953.5281

picture of Fluoroacetylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 180.000 C2 C1 F3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability