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All results from a given calculation for Al2H6 (dialane)

using model chemistry: MP2=FULL/6-31G

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/6-31G
 hartrees
Energy at 0K-487.307611
Energy at 298.15K-487.314409
HF Energy-487.210338
Nuclear repulsion energy75.534113
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/6-31G
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 1923 1827 0.00      
2 Ag 1491 1417 0.00      
3 Ag 725 688 0.00      
4 Ag 367 349 0.00      
5 Au 429 408 0.00      
6 B1g 1943 1846 0.00      
7 B1g 466 443 0.00      
8 B1u 1198 1138 487.01      
9 B1u 632 600 265.12      
10 B2g 1322 1256 0.00      
11 B2g 440 418 0.00      
12 B2u 1950 1852 452.99      
13 B2u 907 862 391.89      
14 B2u 238 226 8.63      
15 B3g 789 750 0.00      
16 B3u 1915 1820 135.68      
17 B3u 1438 1367 1480.94      
18 B3u 676 642 782.27      

Unscaled Zero Point Vibrational Energy (zpe) 9424.7 cm-1
Scaled (by 0.9501) Zero Point Vibrational Energy (zpe) 8954.4 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/6-31G
ABC
1.51381 0.14124 0.13475

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 1.360 0.000 0.000
Al2 -1.360 0.000 0.000
H3 0.000 0.000 1.156
H4 0.000 0.000 -1.156
H5 2.042 1.447 0.000
H6 2.042 -1.447 0.000
H7 -2.042 1.447 0.000
H8 -2.042 -1.447 0.000

Atom - Atom Distances (Å)
  Al1 Al2 H3 H4 H5 H6 H7 H8
Al12.72061.78491.78491.59961.59963.69703.6970
Al22.72061.78491.78493.69703.69701.59961.5996
H31.78491.78492.31122.75652.75652.75652.7565
H41.78491.78492.31122.75652.75652.75652.7565
H51.59963.69702.75652.75652.89464.08335.0052
H61.59963.69702.75652.75652.89465.00524.0833
H73.69701.59962.75652.75654.08335.00522.8946
H83.69701.59962.75652.75655.00524.08332.8946

picture of dialane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Al1 Al2 H3 40.348 Al1 Al2 H4 40.348
Al1 Al2 H7 115.209 Al1 Al2 H8 115.209
Al1 H3 Al2 99.304 Al1 H4 Al2 99.304
Al2 Al1 H3 40.348 Al2 Al1 H4 40.348
Al2 Al1 H5 115.209 Al2 Al1 H6 115.209
H3 Al1 H4 80.696 H3 Al1 H5 108.942
H3 Al1 H6 108.942 H3 Al2 H4 80.696
H3 Al2 H7 108.942 H3 Al2 H8 108.942
H4 Al1 H5 108.942 H4 Al1 H6 108.942
H4 Al2 H7 108.942 H4 Al2 H8 108.942
H5 Al1 H6 129.581 H7 Al2 H8 129.581
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability