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All results from a given calculation for HCCF (Fluoroacetylene)

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/cc-pCVTZ
 hartrees
Energy at 0K-176.423933
Energy at 298.15K 
HF Energy-176.423933
Nuclear repulsion energy55.313034
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/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 3414 3414 93.00 26.60 0.24 0.38
2 Σ 2259 2259 126.28 45.46 0.13 0.23
3 Σ 1065 1065 72.26 9.49 0.21 0.35
4 Π 566 566 46.70 0.21 0.75 0.86
4 Π 566 566 46.70 0.21 0.75 0.86
5 Π 374 374 3.16 9.56 0.75 0.86
5 Π 374 374 3.16 9.56 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4309.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4309.4 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/cc-pCVTZ
B
0.32104

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

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 1.189
H4 0.000 0.000 -2.365

Atom - Atom Distances (Å)
  C1 C2 F3 H4
C11.20351.28262.2719
C21.20352.48611.0684
F31.28262.48613.5544
H42.27191.06843.5544

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/cc-pCVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.162      
2 C -0.281      
3 F -0.047      
4 H 0.165      


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 -0.425 0.425
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.014 0.000 0.000
y 0.000 -17.014 0.000
z 0.000 0.000 -12.764
Traceless
 xyz
x -2.125 0.000 0.000
y 0.000 -2.125 0.000
z 0.000 0.000 4.250
Polar
3z2-r28.500
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 2.158 0.000 0.000
y 0.000 2.158 0.000
z 0.000 0.000 4.866


<r2> (average value of r2) Å2
<r2> 38.207
(<r2>)1/2 6.181