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All results from a given calculation for Al2H6 (dialane)

using model chemistry: HF/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 HF/6-31+G**
 hartrees
Energy at 0K-487.283466
Energy at 298.15K-487.290503
HF Energy-487.283466
Nuclear repulsion energy77.513408
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 HF/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 2052 1856 0.00      
2 Ag 1607 1453 0.00      
3 Ag 812 734 0.00      
4 Ag 382 346 0.00      
5 Au 442 400 0.00      
6 B1g 2052 1855 0.00      
7 B1g 495 448 0.00      
8 B1u 1324 1197 571.83      
9 B1u 681 615 327.16      
10 B2g 1428 1291 0.00      
11 B2g 496 449 0.00      
12 B2u 2059 1861 583.37      
13 B2u 955 863 351.30      
14 B2u 236 213 16.41      
15 B3g 821 743 0.00      
16 B3u 2043 1848 146.23      
17 B3u 1540 1393 1453.81      
18 B3u 762 689 830.73      

Unscaled Zero Point Vibrational Energy (zpe) 10093.2 cm-1
Scaled (by 0.9042) Zero Point Vibrational Energy (zpe) 9126.3 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 HF/6-31+G**
ABC
1.57977 0.15007 0.14323

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 1.315 0.000 0.000
Al2 -1.315 0.000 0.000
H3 0.000 0.000 1.148
H4 0.000 0.000 -1.148
H5 2.012 1.410 0.000
H6 2.012 -1.410 0.000
H7 -2.012 1.410 0.000
H8 -2.012 -1.410 0.000

Atom - Atom Distances (Å)
  Al1 Al2 H3 H4 H5 H6 H7 H8
Al12.63061.74581.74581.57281.57283.61393.6139
Al22.63061.74581.74583.61393.61391.57281.5728
H31.74581.74582.29602.71202.71202.71202.7120
H41.74581.74582.29602.71202.71202.71202.7120
H51.57283.61392.71202.71202.82004.02434.9140
H61.57283.61392.71202.71202.82004.91404.0243
H73.61391.57282.71202.71204.02434.91402.8200
H83.61391.57282.71202.71204.91404.02432.8200

picture of dialane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Al1 Al2 H3 41.115 Al1 Al2 H4 41.115
Al1 Al2 H7 116.300 Al1 Al2 H8 116.300
Al1 H3 Al2 97.771 Al1 H4 Al2 97.771
Al2 Al1 H3 41.115 Al2 Al1 H4 41.115
Al2 Al1 H5 116.300 Al2 Al1 H6 116.300
H3 Al1 H4 82.229 H3 Al1 H5 109.500
H3 Al1 H6 109.500 H3 Al2 H4 82.229
H3 Al2 H7 109.500 H3 Al2 H8 109.500
H4 Al1 H5 109.500 H4 Al1 H6 109.500
H4 Al2 H7 109.500 H4 Al2 H8 109.500
H5 Al1 H6 127.400 H7 Al2 H8 127.400
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.693      
2 Al 0.693      
3 H -0.313      
4 H -0.313      
5 H -0.190      
6 H -0.190      
7 H -0.190      
8 H -0.190      


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 -33.351 0.000 0.000
y 0.000 -36.999 0.000
z 0.000 0.000 -27.925
Traceless
 xyz
x -0.889 0.000 0.000
y 0.000 -6.360 0.000
z 0.000 0.000 7.249
Polar
3z2-r214.499
x2-y23.648
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.841 0.000 0.000
y 0.000 7.189 0.000
z 0.000 0.000 5.408


<r2> (average value of r2) Å2
<r2> 92.224
(<r2>)1/2 9.603