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All results from a given calculation for HCCF (Fluoroacetylene)

using model chemistry: wB97X-D/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-176.552336
Energy at 298.15K 
HF Energy-176.552336
Nuclear repulsion energy55.868955
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/cc-pVTZ
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 3503 3349 99.14 19.74 0.33 0.50
2 Σ 2352 2248 138.52 50.97 0.13 0.24
3 Σ 1105 1056 84.65 8.33 0.22 0.36
4 Π 638 609 53.69 1.36 0.75 0.86
4 Π 638 609 53.69 1.36 0.75 0.86
5 Π 437 417 0.69 9.52 0.75 0.86
5 Π 437 417 0.69 9.52 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4553.8 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 4353.5 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/cc-pVTZ
B
0.32760

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVTZ

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 -1.283
F3 0.000 0.000 1.178
H4 0.000 0.000 -2.343

Atom - Atom Distances (Å)
  C1 C2 F3 H4
C11.18931.27122.2496
C21.18932.46051.0603
F31.27122.46053.5208
H42.24961.06033.5208

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/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.126      
2 C -0.224      
3 F -0.063      
4 H 0.161      


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 -0.549 0.549
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.874 0.000 0.000
y 0.000 -16.874 0.000
z 0.000 0.000 -12.703
Traceless
 xyz
x -2.085 0.000 0.000
y 0.000 -2.085 0.000
z 0.000 0.000 4.171
Polar
3z2-r28.342
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 2.093 0.000 0.000
y 0.000 2.093 0.000
z 0.000 0.000 4.681


<r2> (average value of r2) Å2
<r2> 37.571
(<r2>)1/2 6.129