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All results from a given calculation for Al2H6 (dialane)

using model chemistry: B3LYP/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-488.474963
Energy at 298.15K-488.481797
HF Energy-488.474963
Nuclear repulsion energy77.895131
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/6-31G(2df,p)
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 1967 1898 0.00      
2 Ag 1535 1481 0.00      
3 Ag 754 727 0.00      
4 Ag 375 361 0.00      
5 Au 417 402 0.00      
6 B1g 1978 1909 0.00      
7 B1g 471 455 0.00      
8 B1u 1280 1235 300.59      
9 B1u 631 609 234.07      
10 B2g 1400 1351 0.00      
11 B2g 485 468 0.00      
12 B2u 1985 1915 352.53      
13 B2u 844 815 183.80      
14 B2u 222 214 13.55      
15 B3g 744 718 0.00      
16 B3u 1961 1893 118.48      
17 B3u 1484 1432 1066.89      
18 B3u 713 688 573.79      

Unscaled Zero Point Vibrational Energy (zpe) 9622.0 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 9285.2 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/6-31G(2df,p)
ABC
1.58098 0.15208 0.14501

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 1.307 0.000 0.000
Al2 -1.307 0.000 0.000
H3 0.000 0.000 1.142
H4 0.000 0.000 -1.142
H5 1.999 1.412 0.000
H6 1.999 -1.412 0.000
H7 -1.999 1.412 0.000
H8 -1.999 -1.412 0.000

Atom - Atom Distances (Å)
  Al1 Al2 H3 H4 H5 H6 H7 H8
Al12.61311.73541.73541.57221.57223.59413.5941
Al22.61311.73541.73543.59413.59411.57221.5722
H31.73541.73542.28422.70042.70042.70042.7004
H41.73541.73542.28422.70042.70042.70042.7004
H51.57223.59412.70042.70042.82333.99744.8939
H61.57223.59412.70042.70042.82334.89393.9974
H73.59411.57222.70042.70043.99744.89392.8233
H83.59411.57222.70042.70044.89393.99742.8233

picture of dialane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Al1 Al2 H3 41.159 Al1 Al2 H4 41.159
Al1 Al2 H7 116.119 Al1 Al2 H8 116.119
Al1 H3 Al2 97.683 Al1 H4 Al2 97.683
Al2 Al1 H3 41.159 Al2 Al1 H4 41.159
Al2 Al1 H5 116.119 Al2 Al1 H6 116.119
H3 Al1 H4 82.317 H3 Al1 H5 109.357
H3 Al1 H6 109.357 H3 Al2 H4 82.317
H3 Al2 H7 109.357 H3 Al2 H8 109.357
H4 Al1 H5 109.357 H4 Al1 H6 109.357
H4 Al2 H7 109.357 H4 Al2 H8 109.357
H5 Al1 H6 127.761 H7 Al2 H8 127.761
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al -0.046      
2 Al -0.046      
3 H 0.030      
4 H 0.030      
5 H 0.008      
6 H 0.008      
7 H 0.008      
8 H 0.008      


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 -32.565 0.000 0.000
y 0.000 -35.487 0.000
z 0.000 0.000 -27.585
Traceless
 xyz
x -1.029 0.000 0.000
y 0.000 -5.412 0.000
z 0.000 0.000 6.441
Polar
3z2-r212.882
x2-y22.922
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.199 0.000 0.000
y 0.000 7.805 0.000
z 0.000 0.000 6.585


<r2> (average value of r2) Å2
<r2> 90.853
(<r2>)1/2 9.532