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All results from a given calculation for HCCF (Fluoroacetylene)

using model chemistry: M06-2X/6-311G**

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 M06-2X/6-311G**
 hartrees
Energy at 0K-176.529536
Energy at 298.15K 
HF Energy-176.529536
Nuclear repulsion energy55.742266
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 M06-2X/6-311G**
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 3516 3516 103.39 21.51 0.26 0.41
2 Σ 2373 2373 124.09 42.08 0.19 0.32
3 Σ 1104 1104 90.75 7.41 0.24 0.39
4 Π 662 662 54.02 1.58 0.75 0.86
4 Π 662 662 54.02 1.58 0.75 0.86
5 Π 457 457 1.25 11.37 0.75 0.86
5 Π 457 457 1.25 11.37 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4615.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4615.2 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 M06-2X/6-311G**
B
0.32612

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-311G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.095
C2 0.000 0.000 -1.285
F3 0.000 0.000 1.181
H4 0.000 0.000 -2.347

Atom - Atom Distances (Å)
  C1 C2 F3 H4
C11.19061.27542.2526
C21.19062.46601.0620
F31.27542.46603.5280
H42.25261.06203.5280

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 M06-2X/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.120      
2 C -0.119      
3 F -0.152      
4 H 0.151      


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 -0.715 0.715
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.881 0.000 0.000
y 0.000 -16.881 0.000
z 0.000 0.000 -12.865
Traceless
 xyz
x -2.008 0.000 0.000
y 0.000 -2.008 0.000
z 0.000 0.000 4.016
Polar
3z2-r28.031
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.538 0.000 0.000
y 0.000 1.538 0.000
z 0.000 0.000 4.439


<r2> (average value of r2) Å2
<r2> 37.730
(<r2>)1/2 6.142