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All results from a given calculation for HCCF (Fluoroacetylene)

using model chemistry: B97D3/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-176.520481
Energy at 298.15K 
HF Energy-176.520481
Nuclear repulsion energy55.400723
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/Def2TZVPP
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 3444 3397 87.28 25.32 0.22 0.36
2 Σ 2265 2234 136.41 55.17 0.09 0.17
3 Σ 1060 1045 79.08 9.93 0.21 0.34
4 Π 574 566 48.70 0.63 0.75 0.86
4 Π 574 566 48.70 0.63 0.75 0.86
5 Π 363 358 3.41 11.20 0.75 0.86
5 Π 363 358 3.41 11.20 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4320.3 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 4261.1 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/Def2TZVPP
B
0.32203

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/Def2TZVPP

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 -1.295
F3 0.000 0.000 1.188
H4 0.000 0.000 -2.359

Atom - Atom Distances (Å)
  C1 C2 F3 H4
C11.20121.28132.2655
C21.20122.48241.0644
F31.28132.48243.5468
H42.26551.06443.5468

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/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.071      
2 C -0.141      
3 F -0.111      
4 H 0.181      


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 -0.477 0.477
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.987 0.000 0.000
y 0.000 -16.987 0.000
z 0.000 0.000 -12.878
Traceless
 xyz
x -2.054 0.000 0.000
y 0.000 -2.054 0.000
z 0.000 0.000 4.109
Polar
3z2-r28.217
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 2.265 0.000 0.000
y 0.000 2.265 0.000
z 0.000 0.000 4.962


<r2> (average value of r2) Å2
<r2> 38.126
(<r2>)1/2 6.175