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All results from a given calculation for HCCF (Fluoroacetylene)

using model chemistry: wB97X-D/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 wB97X-D/6-311+G(3df,2p)
 hartrees
Energy at 0K-176.549369
Energy at 298.15K 
HF Energy-176.549369
Nuclear repulsion energy55.927972
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 wB97X-D/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 3488 3488 99.68 21.41 0.27 0.43
2 Σ 2347 2347 146.85 81.80 0.04 0.08
3 Σ 1108 1108 86.57 9.55 0.18 0.30
4 Π 640 640 54.05 1.65 0.75 0.86
4 Π 640 640 54.05 1.65 0.75 0.86
5 Π 449 449 0.09 6.08 0.75 0.86
5 Π 449 449 0.09 6.08 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4559.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4559.6 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 wB97X-D/6-311+G(3df,2p)
B
0.32830

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311+G(3df,2p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.092
C2 0.000 0.000 -1.281
F3 0.000 0.000 1.176
H4 0.000 0.000 -2.343

Atom - Atom Distances (Å)
  C1 C2 F3 H4
C11.18901.26872.2504
C21.18902.45771.0613
F31.26872.45773.5190
H42.25041.06133.5190

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 wB97X-D/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.224      
2 C -0.148      
3 F -0.297      
4 H 0.220      


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 -0.628 0.628
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.022 0.000 0.000
y 0.000 -17.022 0.000
z 0.000 0.000 -12.819
Traceless
 xyz
x -2.102 0.000 0.000
y 0.000 -2.102 0.000
z 0.000 0.000 4.203
Polar
3z2-r28.407
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 2.748 0.000 0.000
y 0.000 2.748 0.000
z 0.000 0.000 4.867


<r2> (average value of r2) Å2
<r2> 37.602
(<r2>)1/2 6.132