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All results from a given calculation for Al2Cl6 (Aluminum, di-μ-chlorotetrachlorodi-)

using model chemistry: CISD/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at CISD/3-21G
 hartrees
Energy at 0K-3225.754178
Energy at 298.15K-3225.754397
HF Energy-3225.435275
Nuclear repulsion energy1085.225274
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 CISD/3-21G
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 501 472 0.00      
2 Ag 319 300 0.00      
3 Ag 219 206 0.00      
4 Ag 92 87 0.00      
5 Au 62 58 0.00      
6 B1g 606 571 0.00      
7 B1g 103 97 0.00      
8 B1u 369 347 199.60      
9 B1u 123 116 21.73      
10 B2g 241 227 0.00      
11 B2g 153 144 0.00      
12 B2u 618 582 284.53      
13 B2u 172 162 25.78      
14 B2u 24 22 0.59      
15 B3g 120 113 0.00      
16 B3u 461 434 394.99      
17 B3u 301 283 115.89      
18 B3u 132 124 35.46      

Unscaled Zero Point Vibrational Energy (zpe) 2307.5 cm-1
Scaled (by 0.9413) Zero Point Vibrational Energy (zpe) 2172.0 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 CISD/3-21G
ABC
0.02402 0.01183 0.00960

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/3-21G

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 1.760 0.000 0.000
Al2 -1.760 0.000 0.000
Cl3 0.000 0.000 1.627
Cl4 0.000 0.000 -1.627
Cl5 2.769 1.922 0.000
Cl6 2.769 -1.922 0.000
Cl7 -2.769 1.922 0.000
Cl8 -2.769 -1.922 0.000

Atom - Atom Distances (Å)
  Al1 Al2 Cl3 Cl4 Cl5 Cl6 Cl7 Cl8
Al13.52032.39662.39662.17092.17094.92004.9200
Al23.52032.39662.39664.92004.92002.17092.1709
Cl32.39662.39663.25313.74263.74263.74263.7426
Cl42.39662.39663.25313.74263.74263.74263.7426
Cl52.17094.92003.74263.74263.84475.53766.7414
Cl62.17094.92003.74263.74263.84476.74145.5376
Cl74.92002.17093.74263.74265.53766.74143.8447
Cl84.92002.17093.74263.74266.74145.53763.8447

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 94.519 Al1 Cl4 Al2 94.519
Cl3 Al1 Cl4 85.481 Cl3 Al1 Cl5 109.951
Cl3 Al1 Cl6 109.951 Cl3 Al2 Cl4 85.481
Cl3 Al2 Cl7 109.951 Cl3 Al2 Cl8 109.951
Cl4 Al1 Cl5 109.951 Cl4 Al1 Cl6 109.951
Cl4 Al2 Cl7 109.951 Cl4 Al2 Cl8 109.951
Cl5 Al1 Cl6 124.630 Cl7 Al2 Cl8 124.630
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability