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All results from a given calculation for HCCF (Fluoroacetylene)

using model chemistry: B97D3/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 B97D3/cc-pVDZ
 hartrees
Energy at 0K-176.453326
Energy at 298.15K 
HF Energy-176.453326
Nuclear repulsion energy54.960309
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/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 3460 3430 87.78 28.08 0.24 0.39
2 Σ 2277 2258 111.32 34.01 0.24 0.39
3 Σ 1055 1046 76.32 9.11 0.23 0.37
4 Π 576 572 37.67 0.01 0.75 0.86
4 Π 576 572 37.67 0.01 0.75 0.86
5 Π 360 356 3.92 11.20 0.75 0.86
5 Π 360 356 3.92 11.20 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4331.6 cm-1
Scaled (by 0.9915) Zero Point Vibrational Energy (zpe) 4294.8 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 B97D3/cc-pVDZ
B
0.31689

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.092
C2 0.000 0.000 -1.306
F3 0.000 0.000 1.197
H4 0.000 0.000 -2.379

Atom - Atom Distances (Å)
  C1 C2 F3 H4
C11.21361.28912.2869
C21.21362.50271.0733
F31.28912.50273.5760
H42.28691.07333.5760

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/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.020      
2 C 0.005      
3 F -0.031      
4 H 0.006      


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 -0.414 0.414
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.658 0.000 0.000
y 0.000 -16.658 0.000
z 0.000 0.000 -12.551
Traceless
 xyz
x -2.053 0.000 0.000
y 0.000 -2.053 0.000
z 0.000 0.000 4.106
Polar
3z2-r28.213
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 1.494 0.000 0.000
y 0.000 1.494 0.000
z 0.000 0.000 4.628


<r2> (average value of r2) Å2
<r2> 38.385
(<r2>)1/2 6.196