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All results from a given calculation for HCCF (Fluoroacetylene)

using model chemistry: TPSSh/aug-cc-pVDZ

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 TPSSh/aug-cc-pVDZ
 hartrees
Energy at 0K-176.564431
Energy at 298.15K 
HF Energy-176.564431
Nuclear repulsion energy55.156797
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 TPSSh/aug-cc-pVDZ
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 3492 3378 95.37 26.54 0.28 0.44
2 Σ 2305 2230 133.01 84.76 0.03 0.06
3 Σ 1062 1028 79.91 10.61 0.18 0.31
4 Π 555 537 46.24 0.23 0.75 0.86
4 Π 555 537 46.24 0.23 0.75 0.86
5 Π 348 337 4.56 8.25 0.75 0.86
5 Π 348 337 4.56 8.25 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4332.6 cm-1
Scaled (by 0.9673) Zero Point Vibrational Energy (zpe) 4190.9 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 TPSSh/aug-cc-pVDZ
B
0.31920

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

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 -1.301
F3 0.000 0.000 1.193
H4 0.000 0.000 -2.369

Atom - Atom Distances (Å)
  C1 C2 F3 H4
C11.20651.28702.2750
C21.20652.49351.0685
F31.28702.49353.5620
H42.27501.06853.5620

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 TPSSh/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.103      
2 C 0.850      
3 F -0.364      
4 H -0.383      


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 -0.651 0.651
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.786 0.000 0.000
y 0.000 2.786 0.000
z 0.000 0.000 5.072


<r2> (average value of r2) Å2
<r2> 38.416
(<r2>)1/2 6.198