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All results from a given calculation for Al2H6 (dialane)

using model chemistry: MP2=FULL/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-487.668679
Energy at 298.15K-487.675615
HF Energy-487.333232
Nuclear repulsion energy78.312381
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/cc-pVTZ
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 2005 1903 0.00      
2 Ag 1576 1496 0.00      
3 Ag 762 723 0.00      
4 Ag 387 368 0.00      
5 Au 434 412 0.00      
6 B1g 2009 1907 0.00      
7 B1g 473 449 0.00      
8 B1u 1332 1264 357.89      
9 B1u 656 623 299.88      
10 B2g 1464 1390 0.00      
11 B2g 507 481 0.00      
12 B2u 2017 1915 426.63      
13 B2u 880 835 225.35      
14 B2u 212 201 17.99      
15 B3g 786 746 0.00      
16 B3u 1997 1896 131.08      
17 B3u 1542 1464 1149.05      
18 B3u 716 680 673.60      

Unscaled Zero Point Vibrational Energy (zpe) 9875.9 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 9376.2 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/cc-pVTZ
ABC
1.58000 0.15440 0.14716

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 1.296 0.000 0.000
Al2 -1.296 0.000 0.000
H3 0.000 0.000 1.146
H4 0.000 0.000 -1.146
H5 1.982 1.411 0.000
H6 1.982 -1.411 0.000
H7 -1.982 1.411 0.000
H8 -1.982 -1.411 0.000

Atom - Atom Distances (Å)
  Al1 Al2 H3 H4 H5 H6 H7 H8
Al12.59271.73051.73051.56851.56853.56923.5692
Al22.59271.73051.73053.56923.56921.56851.5685
H31.73051.73052.29252.68942.68942.68942.6894
H41.73051.73052.29252.68942.68942.68942.6894
H51.56853.56922.68942.68942.82113.96464.8659
H61.56853.56922.68942.68942.82114.86593.9646
H73.56921.56852.68942.68943.96464.86592.8211
H83.56921.56852.68942.68944.86593.96462.8211

picture of dialane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Al1 Al2 H3 41.483 Al1 Al2 H4 41.483
Al1 Al2 H7 115.932 Al1 Al2 H8 115.932
Al1 H3 Al2 97.034 Al1 H4 Al2 97.034
Al2 Al1 H3 41.483 Al2 Al1 H4 41.483
Al2 Al1 H5 115.932 Al2 Al1 H6 115.932
H3 Al1 H4 82.966 H3 Al1 H5 109.124
H3 Al1 H6 109.124 H3 Al2 H4 82.966
H3 Al2 H7 109.124 H3 Al2 H8 109.124
H4 Al1 H5 109.124 H4 Al1 H6 109.124
H4 Al2 H7 109.124 H4 Al2 H8 109.124
H5 Al1 H6 128.136 H7 Al2 H8 128.136
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability