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All results from a given calculation for HCCF (Fluoroacetylene)

using model chemistry: B97D3/6-311G*

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 B97D3/6-311G*
 hartrees
Energy at 0K-176.490582
Energy at 298.15K 
HF Energy-176.490582
Nuclear repulsion energy55.331357
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 B97D3/6-311G*
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 3438 3438 71.99 24.22 0.27 0.42
2 Σ 2273 2273 123.10 37.05 0.20 0.33
3 Σ 1053 1053 80.43 8.79 0.24 0.38
4 Π 553 553 45.32 0.10 0.75 0.86
4 Π 553 553 45.32 0.10 0.75 0.86
5 Π 368 368 8.49 13.67 0.75 0.86
5 Π 368 368 8.49 13.67 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4303.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4303.1 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 B97D3/6-311G*
B
0.32124

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.094
C2 0.000 0.000 -1.296
F3 0.000 0.000 1.189
H4 0.000 0.000 -2.363

Atom - Atom Distances (Å)
  C1 C2 F3 H4
C11.20271.28272.2691
C21.20272.48551.0663
F31.28272.48553.5518
H42.26911.06633.5518

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 B97D3/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.122      
2 C -0.235      
3 F -0.119      
4 H 0.233      


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 -0.519 0.519
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.831 0.000 0.000
y 0.000 -16.831 0.000
z 0.000 0.000 -12.660
Traceless
 xyz
x -2.086 0.000 0.000
y 0.000 -2.086 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 1.571 0.000 0.000
y 0.000 1.571 0.000
z 0.000 0.000 4.615


<r2> (average value of r2) Å2
<r2> 38.088
(<r2>)1/2 6.172