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All results from a given calculation for HCCF (Fluoroacetylene)

using model chemistry: TPSSh/6-311+G(3df,2p)

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 TPSSh/6-311+G(3df,2p)
 hartrees
Energy at 0K-176.607292
Energy at 298.15K 
HF Energy-176.607292
Nuclear repulsion energy55.650994
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 TPSSh/6-311+G(3df,2p)
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 3480 3480 96.08 24.52 0.28 0.44
2 Σ 2304 2304 142.69 80.64 0.04 0.07
3 Σ 1081 1081 81.78 10.36 0.18 0.31
4 Π 604 604 50.41 0.90 0.75 0.86
4 Π 604 604 50.41 0.90 0.75 0.86
5 Π 405 405 1.74 7.09 0.75 0.86
5 Π 405 405 1.74 7.09 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4440.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4440.7 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 TPSSh/6-311+G(3df,2p)
B
0.32500

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-311+G(3df,2p)

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 -1.288
F3 0.000 0.000 1.183
H4 0.000 0.000 -2.350

Atom - Atom Distances (Å)
  C1 C2 F3 H4
C11.19431.27642.2558
C21.19432.47071.0615
F31.27642.47073.5322
H42.25581.06153.5322

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
Charges from optimized geometry at TPSSh/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.402      
2 C -0.249      
3 F -0.339      
4 H 0.187      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -0.598 0.598
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.765 0.000 0.000
y 0.000 2.765 0.000
z 0.000 0.000 4.969


<r2> (average value of r2) Å2
<r2> 37.892
(<r2>)1/2 6.156