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All results from a given calculation for HCCF (Fluoroacetylene)

using model chemistry: PBEPBEultrafine/daug-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 PBEPBEultrafine/daug-cc-pVTZ
 hartrees
Energy at 0K-176.422510
Energy at 298.15K 
HF Energy-176.422510
Nuclear repulsion energy55.290485
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 PBEPBEultrafine/daug-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 3413 3413 96.71 25.64 0.28 0.43
2 Σ 2256 2256 139.39 90.55 0.02 0.05
3 Σ 1061 1061 77.46 11.04 0.19 0.31
4 Π 569 569 46.85 0.51 0.75 0.86
4 Π 569 569 46.85 0.51 0.75 0.86
5 Π 364 364 1.75 6.72 0.75 0.86
5 Π 364 364 1.75 6.72 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4298.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4298.1 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 PBEPBEultrafine/daug-cc-pVTZ
B
0.32078

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/daug-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 -1.297
F3 0.000 0.000 1.190
H4 0.000 0.000 -2.366

Atom - Atom Distances (Å)
  C1 C2 F3 H4
C11.20371.28342.2720
C21.20372.48711.0683
F31.28342.48713.5554
H42.27201.06833.5554

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 PBEPBEultrafine/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.785      
2 C -0.932      
3 F -0.700      
4 H 0.848      


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 -0.495 0.495
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.203 0.000 0.000
y 0.000 -17.203 0.000
z 0.000 0.000 -13.003
Traceless
 xyz
x -2.100 0.000 0.000
y 0.000 -2.100 0.000
z 0.000 0.000 4.199
Polar
3z2-r28.399
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 3.005 0.000 0.000
y 0.000 3.005 0.000
z 0.000 0.000 5.191


<r2> (average value of r2) Å2
<r2> 38.358
(<r2>)1/2 6.193