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All results from a given calculation for Al2H6 (dialane)

using model chemistry: B2PLYP/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 B2PLYP/cc-pVDZ
 hartrees
Energy at 0K-488.177253
Energy at 298.15K-488.184137
HF Energy-488.121612
Nuclear repulsion energy77.532770
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 B2PLYP/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 1955 1872 0.00      
2 Ag 1540 1475 0.00      
3 Ag 761 729 0.00      
4 Ag 377 361 0.00      
5 Au 427 409 0.00      
6 B1g 1965 1882 0.00      
7 B1g 479 459 0.00      
8 B1u 1273 1219 345.78      
9 B1u 643 616 250.72      
10 B2g 1395 1336 0.00      
11 B2g 481 461 0.00      
12 B2u 1971 1888 350.16      
13 B2u 860 824 210.09      
14 B2u 223 213 14.40      
15 B3g 764 732 0.00      
16 B3u 1949 1866 116.07      
17 B3u 1476 1413 1118.81      
18 B3u 719 688 620.92      

Unscaled Zero Point Vibrational Energy (zpe) 9628.9 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 9221.6 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 B2PLYP/cc-pVDZ
ABC
1.56510 0.15064 0.14367

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVDZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 1.313 0.000 0.000
Al2 -1.313 0.000 0.000
H3 0.000 0.000 1.151
H4 0.000 0.000 -1.151
H5 2.004 1.417 0.000
H6 2.004 -1.417 0.000
H7 -2.004 1.417 0.000
H8 -2.004 -1.417 0.000

Atom - Atom Distances (Å)
  Al1 Al2 H3 H4 H5 H6 H7 H8
Al12.62621.74651.74651.57681.57683.60733.6073
Al22.62621.74651.74653.60733.60731.57681.5768
H31.74651.74652.30292.71132.71132.71132.7113
H41.74651.74652.30292.71132.71132.71132.7113
H51.57683.60732.71132.71132.83474.00814.9092
H61.57683.60732.71132.71132.83474.90924.0081
H73.60731.57682.71132.71134.00814.90922.8347
H83.60731.57682.71132.71134.90924.00812.8347

picture of dialane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Al1 Al2 H3 41.247 Al1 Al2 H4 41.247
Al1 Al2 H7 115.988 Al1 Al2 H8 115.988
Al1 H3 Al2 97.506 Al1 H4 Al2 97.506
Al2 Al1 H3 41.247 Al2 Al1 H4 41.247
Al2 Al1 H5 115.988 Al2 Al1 H6 115.988
H3 Al1 H4 82.494 H3 Al1 H5 109.236
H3 Al1 H6 109.236 H3 Al2 H4 82.494
H3 Al2 H7 109.236 H3 Al2 H8 109.236
H4 Al1 H5 109.236 H4 Al1 H6 109.236
H4 Al2 H7 109.236 H4 Al2 H8 109.236
H5 Al1 H6 128.023 H7 Al2 H8 128.023
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.330      
2 Al 0.330      
3 H -0.114      
4 H -0.114      
5 H -0.108      
6 H -0.108      
7 H -0.108      
8 H -0.108      


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 -32.940 0.000 0.000
y 0.000 -36.095 0.000
z 0.000 0.000 -27.973
Traceless
 xyz
x -0.907 0.000 0.000
y 0.000 -5.638 0.000
z 0.000 0.000 6.545
Polar
3z2-r213.089
x2-y23.154
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.114 0.000 0.000
y 0.000 7.690 0.000
z 0.000 0.000 6.295


<r2> (average value of r2) Å2
<r2> 91.780
(<r2>)1/2 9.580