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All results from a given calculation for HCCF (Fluoroacetylene)

using model chemistry: CCD/Sadlej_pVTZ

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 CCD/Sadlej_pVTZ
 hartrees
Energy at 0K-176.146754
Energy at 298.15K 
HF Energy-175.689649
Nuclear repulsion energy55.035047
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 CCD/Sadlej_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 Σ 3454 3454 93.99      
2 Σ 2301 2301 114.69      
3 Σ 1070 1070 79.00      
4 Π 555 555 40.20      
4 Π 555 555 40.20      
5 Π 347 347 4.53      
5 Π 347 347 4.53      

Unscaled Zero Point Vibrational Energy (zpe) 4314.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4314.8 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 CCD/Sadlej_pVTZ
B
0.31782

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/Sadlej_pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.091
C2 0.000 0.000 -1.304
F3 0.000 0.000 1.195
H4 0.000 0.000 -2.382

Atom - Atom Distances (Å)
  C1 C2 F3 H4
C11.21291.28552.2911
C21.21292.49841.0782
F31.28552.49843.5766
H42.29111.07823.5766

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