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All results from a given calculation for Al2H6 (dialane)

using model chemistry: CCD/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-487.478271
Energy at 298.15K-487.485229
HF Energy-487.283323
Nuclear repulsion energy78.043775
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/6-31+G**
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 2007 1892 0.00      
2 Ag 1587 1496 0.00      
3 Ag 769 724 0.00      
4 Ag 389 366 0.00      
5 Au 438 413 0.00      
6 B1g 2021 1904 0.00      
7 B1g 483 455 0.00      
8 B1u 1345 1267 399.66      
9 B1u 653 615 283.59      
10 B2g 1453 1369 0.00      
11 B2g 504 475 0.00      
12 B2u 2027 1910 438.11      
13 B2u 904 852 280.36      
14 B2u 223 210 14.43      
15 B3g 803 756 0.00      
16 B3u 2000 1885 134.36      
17 B3u 1547 1458 1232.84      
18 B3u 723 681 663.92      

Unscaled Zero Point Vibrational Energy (zpe) 9937.1 cm-1
Scaled (by 0.9423) Zero Point Vibrational Energy (zpe) 9363.8 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 CCD/6-31+G**
ABC
1.58413 0.15276 0.14564

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31+G**

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 1.304 0.000 0.000
Al2 -1.304 0.000 0.000
H3 0.000 0.000 1.141
H4 0.000 0.000 -1.141
H5 1.994 1.410 0.000
H6 1.994 -1.410 0.000
H7 -1.994 1.410 0.000
H8 -1.994 -1.410 0.000

Atom - Atom Distances (Å)
  Al1 Al2 H3 H4 H5 H6 H7 H8
Al12.60721.73231.73231.57011.57013.58643.5864
Al22.60721.73231.73233.58643.58641.57011.5701
H31.73231.73232.28172.69552.69552.69552.6955
H41.73231.73232.28172.69552.69552.69552.6955
H51.57013.58642.69552.69552.82063.98764.8844
H61.57013.58642.69552.69552.82064.88443.9876
H73.58641.57012.69552.69553.98764.88442.8206
H83.58641.57012.69552.69554.88443.98762.8206

picture of dialane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Al1 Al2 H3 41.190 Al1 Al2 H4 41.190
Al1 Al2 H7 116.077 Al1 Al2 H8 116.077
Al1 H3 Al2 97.619 Al1 H4 Al2 97.619
Al2 Al1 H3 41.190 Al2 Al1 H4 41.190
Al2 Al1 H5 116.077 Al2 Al1 H6 116.077
H3 Al1 H4 82.381 H3 Al1 H5 109.317
H3 Al1 H6 109.317 H3 Al2 H4 82.381
H3 Al2 H7 109.317 H3 Al2 H8 109.317
H4 Al1 H5 109.317 H4 Al1 H6 109.317
H4 Al2 H7 109.317 H4 Al2 H8 109.317
H5 Al1 H6 127.847 H7 Al2 H8 127.847
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability