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All results from a given calculation for Al2H6 (dialane)

using model chemistry: PBEPBE/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at PBEPBE/aug-cc-pVDZ
 hartrees
Energy at 0K-488.136074
Energy at 298.15K-488.142717
HF Energy-488.136074
Nuclear repulsion energy77.069602
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 PBEPBE/aug-cc-pVDZ
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 1881 1869 0.00      
2 Ag 1468 1459 0.00      
3 Ag 709 704 0.00      
4 Ag 360 357 0.00      
5 Au 406 404 0.00      
6 B1g 1895 1883 0.00      
7 B1g 456 454 0.00      
8 B1u 1248 1241 232.63      
9 B1u 600 596 203.34      
10 B2g 1339 1331 0.00      
11 B2g 454 451 0.00      
12 B2u 1902 1891 323.43      
13 B2u 771 766 152.32      
14 B2u 196 195 10.77      
15 B3g 706 702 0.00      
16 B3u 1875 1864 121.06      
17 B3u 1393 1385 903.48      
18 B3u 668 664 533.86      

Unscaled Zero Point Vibrational Energy (zpe) 9162.9 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 9107.0 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 PBEPBE/aug-cc-pVDZ
ABC
1.51654 0.14997 0.14291

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/aug-cc-pVDZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 1.316 0.000 0.000
Al2 -1.316 0.000 0.000
H3 0.000 0.000 1.175
H4 0.000 0.000 -1.175
H5 2.005 1.438 0.000
H6 2.005 -1.438 0.000
H7 -2.005 1.438 0.000
H8 -2.005 -1.438 0.000

Atom - Atom Distances (Å)
  Al1 Al2 H3 H4 H5 H6 H7 H8
Al12.63161.76401.76401.59421.59423.61833.6183
Al22.63161.76401.76403.61833.61831.59421.5942
H31.76401.76402.34972.73232.73232.73232.7323
H41.76401.76402.34972.73232.73232.73232.7323
H51.59423.61832.73232.73232.87564.00914.9337
H61.59423.61832.73232.73232.87564.93374.0091
H73.61831.59422.73232.73234.00914.93372.8756
H83.61831.59422.73232.73234.93374.00912.8756

picture of dialane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Al1 Al2 H3 41.761 Al1 Al2 H4 41.761
Al1 Al2 H7 115.596 Al1 Al2 H8 115.596
Al1 H3 Al2 96.478 Al1 H4 Al2 96.478
Al2 Al1 H3 41.761 Al2 Al1 H4 41.761
Al2 Al1 H5 115.596 Al2 Al1 H6 115.596
H3 Al1 H4 83.522 H3 Al1 H5 108.799
H3 Al1 H6 108.799 H3 Al2 H4 83.522
H3 Al2 H7 108.799 H3 Al2 H8 108.799
H4 Al1 H5 108.799 H4 Al1 H6 108.799
H4 Al2 H7 108.799 H4 Al2 H8 108.799
H5 Al1 H6 128.809 H7 Al2 H8 128.809
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al -0.622      
2 Al -0.622      
3 H 0.235      
4 H 0.235      
5 H 0.193      
6 H 0.193      
7 H 0.193      
8 H 0.193      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.671 0.000 0.000
y 0.000 -35.931 0.000
z 0.000 0.000 -28.329
Traceless
 xyz
x -0.541 0.000 0.000
y 0.000 -5.431 0.000
z 0.000 0.000 5.972
Polar
3z2-r211.944
x2-y23.260
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.191 0.000 0.000
y 0.000 9.900 0.000
z 0.000 0.000 8.334


<r2> (average value of r2) Å2
<r2> 92.297
(<r2>)1/2 9.607