return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for AlF2Cl (Aluminum chloride difluoride)

using model chemistry: PBEPBE/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-902.000120
Energy at 298.15K-902.001060
Nuclear repulsion energy196.587761
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 PBEPBE/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 822 813 136.81      
2 A1 493 488 39.86      
3 A1 222 220 25.44      
4 B1 252 249 69.44      
5 B2 952 942 107.16      
6 B2 181 179 10.32      

Unscaled Zero Point Vibrational Energy (zpe) 1460.5 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 1445.5 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 PBEPBE/6-31G(2df,p)
ABC
0.21978 0.10507 0.07109

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 -0.426
Cl2 0.000 0.000 1.654
F3 0.000 1.421 -1.255
F4 0.000 -1.421 -1.255

Atom - Atom Distances (Å)
  Al1 Cl2 F3 F4
Al12.08051.64491.6449
Cl22.08053.23783.2378
F31.64493.23782.8416
F41.64493.23782.8416

picture of Aluminum chloride difluoride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 Al1 F3 120.261 Cl2 Al1 F4 120.261
F3 Al1 F4 119.479
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.614      
2 Cl -0.141      
3 F -0.236      
4 F -0.236      


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 0.180 0.180
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.819 0.000 0.000
y 0.000 -37.512 0.000
z 0.000 0.000 -36.327
Traceless
 xyz
x 7.101 0.000 0.000
y 0.000 -4.439 0.000
z 0.000 0.000 -2.662
Polar
3z2-r2-5.324
x2-y27.693
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.954 0.000 0.000
y 0.000 4.275 0.000
z 0.000 0.000 5.796


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000