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All results from a given calculation for HCCF (Fluoroacetylene)

using model chemistry: MP4/aug-cc-pCVTZ

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 MP4/aug-cc-pCVTZ
 hartrees
Energy at 0K-176.318395
Energy at 298.15K 
HF Energy-175.713881
Nuclear repulsion energy55.211817
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 MP4/aug-cc-pCVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 0.82     0.00      
1 0 1 1 0.00      
1 0 0i 0i 0.00      
1 -0.06     0.00      
1 0     -0.25      
1 0     0.59      
1 0     0.03      
1 0     0.00      
1 0     0.00      

Unscaled Zero Point Vibrational Energy (zpe) 0.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 0.4 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 MP4/aug-cc-pCVTZ
B
0.31975

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/aug-cc-pCVTZ

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 -1.300
F3 0.000 0.000 1.192
H4 0.000 0.000 -2.363

Atom - Atom Distances (Å)
  C1 C2 F3 H4
C11.20681.28532.2690
C21.20682.49211.0623
F31.28532.49213.5544
H42.26901.06233.5544

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