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All results from a given calculation for Al2H6 (dialane)

using model chemistry: CCSD=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 CCSD=FULL/6-31G*
 hartrees
Energy at 0K-487.447539
Energy at 298.15K-487.454372
HF Energy-487.274654
Nuclear repulsion energy77.665158
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 CCSD=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 1960 1862 0.00      
2 Ag 1547 1469 0.00      
3 Ag 744 707 0.00      
4 Ag 381 362 0.00      
5 Au 427 406 0.00      
6 B1g 1976 1877 0.00      
7 B1g 474 450 0.00      
8 B1u 1327 1261 346.88      
9 B1u 632 600 233.25      
10 B2g 1432 1360 0.00      
11 B2g 492 468 0.00      
12 B2u 1982 1882 392.86      
13 B2u 862 819 250.58      
14 B2u 213 203 11.70      
15 B3g 776 737 0.00      
16 B3u 1953 1855 127.11      
17 B3u 1519 1443 1165.50      
18 B3u 703 668 570.88      

Unscaled Zero Point Vibrational Energy (zpe) 9699.6 cm-1
Scaled (by 0.9498) Zero Point Vibrational Energy (zpe) 9212.6 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 CCSD=FULL/6-31G*
ABC
1.54295 0.15238 0.14514

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

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 1.158
H4 0.000 0.000 -1.158
H5 1.999 1.428 0.000
H6 1.999 -1.428 0.000
H7 -1.999 1.428 0.000
H8 -1.999 -1.428 0.000

Atom - Atom Distances (Å)
  Al1 Al2 H3 H4 H5 H6 H7 H8
Al12.60881.74451.74451.58811.58813.59903.5990
Al22.60881.74451.74453.59903.59901.58811.5881
H31.74451.74452.31672.71622.71622.71622.7162
H41.74451.74452.31672.71622.71622.71622.7162
H51.58813.59902.71622.71622.85613.99844.9137
H61.58813.59902.71622.71622.85614.91373.9984
H73.59901.58812.71622.71623.99844.91372.8561
H83.59901.58812.71622.71624.91373.99842.8561

picture of dialane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Al1 Al2 H3 41.606 Al1 Al2 H4 41.606
Al1 Al2 H7 115.946 Al1 Al2 H8 115.946
Al1 H3 Al2 96.788 Al1 H4 Al2 96.788
Al2 Al1 H3 41.606 Al2 Al1 H4 41.606
Al2 Al1 H5 115.946 Al2 Al1 H6 115.946
H3 Al1 H4 83.212 H3 Al1 H5 109.096
H3 Al1 H6 109.096 H3 Al2 H4 83.212
H3 Al2 H7 109.096 H3 Al2 H8 109.096
H4 Al1 H5 109.096 H4 Al1 H6 109.096
H4 Al2 H7 109.096 H4 Al2 H8 109.096
H5 Al1 H6 128.108 H7 Al2 H8 128.108
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability