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All results from a given calculation for Al2H6 (dialane)

using model chemistry: B3LYP/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at B3LYP/6-311G**
 hartrees
Energy at 0K-488.509979
Energy at 298.15K-488.516850
HF Energy-488.509979
Nuclear repulsion energy77.739667
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 B3LYP/6-311G**
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 1971 1906 0.00      
2 Ag 1548 1496 0.00      
3 Ag 755 729 0.00      
4 Ag 374 362 0.00      
5 Au 422 408 0.00      
6 B1g 1981 1915 0.00      
7 B1g 476 460 0.00      
8 B1u 1294 1251 356.64      
9 B1u 635 614 258.85      
10 B2g 1404 1358 0.00      
11 B2g 486 470 0.00      
12 B2u 1989 1923 408.59      
13 B2u 866 837 236.63      
14 B2u 222 215 12.82      
15 B3g 760 735 0.00      
16 B3u 1966 1901 123.57      
17 B3u 1486 1437 1096.87      
18 B3u 712 688 644.05      

Unscaled Zero Point Vibrational Energy (zpe) 9672.5 cm-1
Scaled (by 0.9668) Zero Point Vibrational Energy (zpe) 9351.4 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 B3LYP/6-311G**
ABC
1.57343 0.15147 0.14443

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G**

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 1.309 0.000 0.000
Al2 -1.309 0.000 0.000
H3 0.000 0.000 1.145
H4 0.000 0.000 -1.145
H5 2.001 1.415 0.000
H6 2.001 -1.415 0.000
H7 -2.001 1.415 0.000
H8 -2.001 -1.415 0.000

Atom - Atom Distances (Å)
  Al1 Al2 H3 H4 H5 H6 H7 H8
Al12.61871.73941.73941.57481.57483.59973.5997
Al22.61871.73941.73943.59973.59971.57481.5748
H31.73941.73942.29022.70472.70472.70472.7047
H41.73941.73942.29022.70472.70472.70472.7047
H51.57483.59972.70472.70472.82994.00124.9008
H61.57483.59972.70472.70472.82994.90084.0012
H73.59971.57482.70472.70474.00124.90082.8299
H83.59971.57482.70472.70474.90084.00122.8299

picture of dialane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Al1 Al2 H3 41.172 Al1 Al2 H4 41.172
Al1 Al2 H7 116.037 Al1 Al2 H8 116.037
Al1 H3 Al2 97.656 Al1 H4 Al2 97.656
Al2 Al1 H3 41.172 Al2 Al1 H4 41.172
Al2 Al1 H5 116.037 Al2 Al1 H6 116.037
H3 Al1 H4 82.344 H3 Al1 H5 109.294
H3 Al1 H6 109.294 H3 Al2 H4 82.344
H3 Al2 H7 109.294 H3 Al2 H8 109.294
H4 Al1 H5 109.294 H4 Al1 H6 109.294
H4 Al2 H7 109.294 H4 Al2 H8 109.294
H5 Al1 H6 127.926 H7 Al2 H8 127.926
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.590      
2 Al 0.590      
3 H -0.231      
4 H -0.231      
5 H -0.179      
6 H -0.179      
7 H -0.179      
8 H -0.179      


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 -32.710 0.000 0.000
y 0.000 -36.168 0.000
z 0.000 0.000 -27.804
Traceless
 xyz
x -0.724 0.000 0.000
y 0.000 -5.911 0.000
z 0.000 0.000 6.635
Polar
3z2-r213.270
x2-y23.458
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.463 0.000 0.000
y 0.000 8.281 0.000
z 0.000 0.000 6.120


<r2> (average value of r2) Å2
<r2> 91.342
(<r2>)1/2 9.557