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All results from a given calculation for HCCF (Fluoroacetylene)

using model chemistry: wB97X-D/6-31G**

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 wB97X-D/6-31G**
 hartrees
Energy at 0K-176.480587
Energy at 298.15K 
HF Energy-176.480587
Nuclear repulsion energy55.505204
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 wB97X-D/6-31G**
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 3524 3524 91.56 25.23 0.19 0.32
2 Σ 2376 2376 107.56 32.80 0.25 0.40
3 Σ 1109 1109 76.83 8.47 0.23 0.37
4 Π 631 631 48.58 0.11 0.75 0.86
4 Π 631 631 48.58 0.11 0.75 0.86
5 Π 413 413 3.40 11.94 0.75 0.86
5 Π 413 413 3.40 11.94 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4547.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4547.8 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 wB97X-D/6-31G**
B
0.32328

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G**

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 -1.292
F3 0.000 0.000 1.186
H4 0.000 0.000 -2.356

Atom - Atom Distances (Å)
  C1 C2 F3 H4
C11.19791.27952.2616
C21.19792.47741.0637
F31.27952.47743.5411
H42.26161.06373.5411

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 wB97X-D/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.102      
2 C -0.113      
3 F -0.186      
4 H 0.197      


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 -0.562 0.562
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.379 0.000 0.000
y 0.000 -16.379 0.000
z 0.000 0.000 -12.401
Traceless
 xyz
x -1.989 0.000 0.000
y 0.000 -1.989 0.000
z 0.000 0.000 3.978
Polar
3z2-r27.956
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 1.321 0.000 0.000
y 0.000 1.321 0.000
z 0.000 0.000 4.392


<r2> (average value of r2) Å2
<r2> 37.666
(<r2>)1/2 6.137