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: MP2=FULL/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at MP2=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-3242.415635
Energy at 298.15K-3242.416042
HF Energy-3241.354434
Nuclear repulsion energy1127.804128
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 MP2=FULL/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 Ag 520 504 0.00      
2 Ag 332 322 0.00      
3 Ag 216 209 0.00      
4 Ag 91 88 0.00      
5 Au 61 59 0.00      
6 B1g 615 597 0.00      
7 B1g 111 107 0.00      
8 B1u 423 410 134.73      
9 B1u 131 127 12.33      
10 B2g 284 275 0.00      
11 B2g 157 152 0.00      
12 B2u 624 604 300.32      
13 B2u 163 158 7.44      
14 B2u 14 13 0.55      
15 B3g 111 108 0.00      
16 B3u 479 464 357.59      
17 B3u 319 309 66.16      
18 B3u 134 130 21.04      

Unscaled Zero Point Vibrational Energy (zpe) 2390.9 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 2317.3 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 MP2=FULL/aug-cc-pVDZ
ABC
0.02510 0.01309 0.01065

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVDZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 1.620 0.000 0.000
Al2 -1.620 0.000 0.000
Cl3 0.000 0.000 1.639
Cl4 0.000 0.000 -1.639
Cl5 2.617 1.860 0.000
Cl6 2.617 -1.860 0.000
Cl7 -2.617 1.860 0.000
Cl8 -2.617 -1.860 0.000

Atom - Atom Distances (Å)
  Al1 Al2 Cl3 Cl4 Cl5 Cl6 Cl7 Cl8
Al13.23912.30392.30392.11042.11044.62694.6269
Al23.23912.30392.30394.62694.62692.11042.1104
Cl32.30392.30393.27713.60463.60463.60463.6046
Cl42.30392.30393.27713.60463.60463.60463.6046
Cl52.11044.62693.60463.60463.71955.23436.4212
Cl62.11044.62693.60463.60463.71956.42125.2343
Cl74.62692.11043.60463.60465.23436.42123.7195
Cl84.62692.11043.60463.60466.42125.23433.7195

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 89.332 Al1 Cl4 Al2 89.332
Cl3 Al1 Cl4 90.668 Cl3 Al1 Cl5 109.408
Cl3 Al1 Cl6 109.408 Cl3 Al2 Cl4 90.668
Cl3 Al2 Cl7 109.408 Cl3 Al2 Cl8 109.408
Cl4 Al1 Cl5 109.408 Cl4 Al1 Cl6 109.408
Cl4 Al2 Cl7 109.408 Cl4 Al2 Cl8 109.408
Cl5 Al1 Cl6 123.581 Cl7 Al2 Cl8 123.581
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability