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All results from a given calculation for HCCF (Fluoroacetylene)

using model chemistry: B3LYP/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 B3LYP/aug-cc-pCVTZ
 hartrees
Energy at 0K-176.620092
Energy at 298.15K 
HF Energy-176.620092
Nuclear repulsion energy55.678022
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 B3LYP/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 Σ 3481 3481 99.01 22.36 0.30 0.46
2 Σ 2318 2318 141.60 90.02 0.03 0.05
3 Σ 1083 1083 84.06 9.92 0.18 0.31
4 Π 617 617 49.15 1.12 0.75 0.86
4 Π 617 617 49.15 1.12 0.75 0.86
5 Π 409 409 0.33 6.48 0.75 0.86
5 Π 409 409 0.33 6.48 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4466.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4466.6 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 B3LYP/aug-cc-pCVTZ
B
0.32534

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pCVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.096
C2 0.000 0.000 -1.287
F3 0.000 0.000 1.182
H4 0.000 0.000 -2.347

Atom - Atom Distances (Å)
  C1 C2 F3 H4
C11.19141.27792.2515
C21.19142.46931.0601
F31.27792.46933.5294
H42.25151.06013.5294

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 B3LYP/aug-cc-pCVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.379      
2 C -0.618      
3 F -0.221      
4 H 0.460      


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 -0.641 0.641
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.122 0.000 0.000
y 0.000 -17.122 0.000
z 0.000 0.000 -13.125
Traceless
 xyz
x -1.998 0.000 0.000
y 0.000 -1.998 0.000
z 0.000 0.000 3.996
Polar
3z2-r27.993
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 2.873 0.000 0.000
y 0.000 2.873 0.000
z 0.000 0.000 4.969


<r2> (average value of r2) Å2
<r2> 37.945
(<r2>)1/2 6.160