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All results from a given calculation for HCCF (Fluoroacetylene)

using model chemistry: CCSD=FULL/cc-pVDZ

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=FULL/cc-pVDZ
 hartrees
Energy at 0K-176.112513
Energy at 298.15K 
HF Energy-175.653700
Nuclear repulsion energy54.918569
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=FULL/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 Σ 3511 3511 86.22      
2 Σ 2314 2314 92.90      
3 Σ 1069 1069 78.23      
4 Π 614 614 40.99      
4 Π 614 614 40.99      
5 Π 395 395 3.03      
5 Π 395 395 3.03      

Unscaled Zero Point Vibrational Energy (zpe) 4455.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4455.3 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 CCSD=FULL/cc-pVDZ
B
0.31643

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.093
C2 0.000 0.000 -1.307
F3 0.000 0.000 1.198
H4 0.000 0.000 -2.381

Atom - Atom Distances (Å)
  C1 C2 F3 H4
C11.21371.29082.2877
C21.21372.50451.0740
F31.29082.50453.5785
H42.28771.07403.5785

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