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 Al2Cl6 (Aluminum, di-μ-chlorotetrachlorodi-)

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at CCD/6-31G(2df,p)
 hartrees
Energy at 0K-3242.511866
Energy at 298.15K 
HF Energy-3241.226539
Nuclear repulsion energy1142.214116
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 CCD/6-31G(2df,p)
Rotational Constants (cm-1) from geometry optimized at CCD/6-31G(2df,p)
ABC
0.02611 0.01327 0.01088

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 1.595 0.000 0.000
Al2 -1.595 0.000 0.000
Cl3 0.000 0.000 1.620
Cl4 0.000 0.000 -1.620
Cl5 2.606 1.818 0.000
Cl6 2.606 -1.818 0.000
Cl7 -2.606 1.818 0.000
Cl8 -2.606 -1.818 0.000

Atom - Atom Distances (Å)
  Al1 Al2 Cl3 Cl4 Cl5 Cl6 Cl7 Cl8
Al13.18952.27312.27312.07982.07984.57694.5769
Al23.18952.27312.27314.57694.57692.07982.0798
Cl32.27312.27313.23963.56613.56613.56613.5661
Cl42.27312.27313.23963.56613.56613.56613.5661
Cl52.07984.57693.56613.56613.63505.21176.3541
Cl62.07984.57693.56613.56613.63506.35415.2117
Cl74.57692.07983.56613.56615.21176.35413.6350
Cl84.57692.07983.56613.56616.35415.21173.6350

picture of Aluminum, di-μ-chlorotetrachlorodi- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Al1 Cl3 Al2 89.108 Al1 Cl4 Al2 89.108
Cl3 Al1 Cl4 90.892 Cl3 Al1 Cl5 109.942
Cl3 Al1 Cl6 109.942 Cl3 Al2 Cl4 90.892
Cl3 Al2 Cl7 109.942 Cl3 Al2 Cl8 109.942
Cl4 Al1 Cl5 109.942 Cl4 Al1 Cl6 109.942
Cl4 Al2 Cl7 109.942 Cl4 Al2 Cl8 109.942
Cl5 Al1 Cl6 121.826 Cl7 Al2 Cl8 121.826
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability