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All results from a given calculation for HCCF (Fluoroacetylene)

using model chemistry: B3LYP/aug-cc-pVQZ

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-pVQZ
 hartrees
Energy at 0K-176.629652
Energy at 298.15K 
HF Energy-176.629652
Nuclear repulsion energy55.717948
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-pVQZ
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 3483 3374 98.41 22.05 0.30 0.46
2 Σ 2316 2244 141.94 92.46 0.02 0.05
3 Σ 1081 1047 84.12 9.79 0.18 0.31
4 Π 618 599 49.08 1.16 0.75 0.86
4 Π 618 599 49.08 1.16 0.75 0.86
5 Π 410 397 0.28 6.39 0.75 0.86
5 Π 410 397 0.28 6.39 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4467.9 cm-1
Scaled (by 0.9689) Zero Point Vibrational Energy (zpe) 4328.9 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-pVQZ
B
0.32580

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.095
C2 0.000 0.000 -1.286
F3 0.000 0.000 1.181
H4 0.000 0.000 -2.346

Atom - Atom Distances (Å)
  C1 C2 F3 H4
C11.19081.27672.2504
C21.19082.46761.0595
F31.27672.46763.5271
H42.25041.05953.5271

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-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.703      
2 C -0.710      
3 F -0.458      
4 H 0.465      


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 -0.631 0.631
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.108 0.000 0.000
y 0.000 -17.108 0.000
z 0.000 0.000 -13.122
Traceless
 xyz
x -1.993 0.000 0.000
y 0.000 -1.993 0.000
z 0.000 0.000 3.986
Polar
3z2-r27.973
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 2.897 0.000 0.000
y 0.000 2.897 0.000
z 0.000 0.000 4.968


<r2> (average value of r2) Å2
<r2> 37.899
(<r2>)1/2 6.156