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All results from a given calculation for HCCF (Fluoroacetylene)

using model chemistry: B2PLYP/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 B2PLYP/6-311+G(3df,2p)
 hartrees
Energy at 0K-176.492376
Energy at 298.15K 
HF Energy-176.311261
Nuclear repulsion energy55.640494
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 B2PLYP/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 3499 3499 96.92 24.59 0.24 0.39
2 Σ 2289 2289 136.90 71.25 0.04 0.08
3 Σ 1080 1080 79.21 9.86 0.18 0.30
4 Π 609 609 48.96 1.09 0.75 0.86
4 Π 609 609 48.96 1.09 0.75 0.86
5 Π 408 408 0.96 6.65 0.75 0.86
5 Π 408 408 0.96 6.65 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4450.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4450.4 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 B2PLYP/6-311+G(3df,2p)
B
0.32482

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311+G(3df,2p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.093
C2 0.000 0.000 -1.289
F3 0.000 0.000 1.183
H4 0.000 0.000 -2.349

Atom - Atom Distances (Å)
  C1 C2 F3 H4
C11.19601.27582.2554
C21.19602.47181.0593
F31.27582.47183.5312
H42.25541.05933.5312

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 B2PLYP/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.303      
2 C -0.220      
3 F -0.321      
4 H 0.238      


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 -0.672 0.672
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.157 0.000 0.000
y 0.000 -17.157 0.000
z 0.000 0.000 -13.168
Traceless
 xyz
x -1.995 0.000 0.000
y 0.000 -1.995 0.000
z 0.000 0.000 3.989
Polar
3z2-r27.979
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 2.705 0.000 0.000
y 0.000 2.705 0.000
z 0.000 0.000 4.887


<r2> (average value of r2) Å2
<r2> 38.006
(<r2>)1/2 6.165