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All results from a given calculation for Al2H6 (dialane)

using model chemistry: B2PLYP=FULL/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 B2PLYP=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-488.180195
Energy at 298.15K-488.187096
HF Energy-488.110009
Nuclear repulsion energy78.288149
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=FULL/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 2001 2001 0.00      
2 Ag 1561 1561 0.00      
3 Ag 764 764 0.00      
4 Ag 384 384 0.00      
5 Au 427 427 0.00      
6 B1g 2011 2011 0.00      
7 B1g 476 476 0.00      
8 B1u 1306 1306 313.66      
9 B1u 644 644 253.53      
10 B2g 1438 1438 0.00      
11 B2g 498 498 0.00      
12 B2u 2017 2017 350.45      
13 B2u 866 866 196.58      
14 B2u 221 221 14.86      
15 B3g 766 766 0.00      
16 B3u 1995 1995 115.68      
17 B3u 1522 1522 1100.35      
18 B3u 721 721 594.29      

Unscaled Zero Point Vibrational Energy (zpe) 9808.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9808.4 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 B2PLYP=FULL/6-31G(2df,p)
ABC
1.59017 0.15391 0.14671

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G(2df,p)

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 1.298 0.000 0.000
Al2 -1.298 0.000 0.000
H3 0.000 0.000 1.139
H4 0.000 0.000 -1.139
H5 1.988 1.408 0.000
H6 1.988 -1.408 0.000
H7 -1.988 1.408 0.000
H8 -1.988 -1.408 0.000

Atom - Atom Distances (Å)
  Al1 Al2 H3 H4 H5 H6 H7 H8
Al12.59701.72721.72721.56741.56743.57523.5752
Al22.59701.72721.72723.57523.57521.56741.5674
H31.72721.72722.27782.68892.68892.68892.6889
H41.72721.72722.27782.68892.68892.68892.6889
H51.56743.57522.68892.68892.81513.97594.8716
H61.56743.57522.68892.68892.81514.87163.9759
H73.57521.56742.68892.68893.97594.87162.8151
H83.57521.56742.68892.68894.87163.97592.8151

picture of dialane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Al1 Al2 H3 41.253 Al1 Al2 H4 41.253
Al1 Al2 H7 116.098 Al1 Al2 H8 116.098
Al1 H3 Al2 97.493 Al1 H4 Al2 97.493
Al2 Al1 H3 41.253 Al2 Al1 H4 41.253
Al2 Al1 H5 116.098 Al2 Al1 H6 116.098
H3 Al1 H4 82.507 H3 Al1 H5 109.313
H3 Al1 H6 109.313 H3 Al2 H4 82.507
H3 Al2 H7 109.313 H3 Al2 H8 109.313
H4 Al1 H5 109.313 H4 Al1 H6 109.313
H4 Al2 H7 109.313 H4 Al2 H8 109.313
H5 Al1 H6 127.804 H7 Al2 H8 127.804
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability