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All results from a given calculation for Ga2H6 (digallane)

using model chemistry: QCISD(T)/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 QCISD(T)/cc-pVDZ
 hartrees
Energy at 0K-3850.146187
Energy at 298.15K-3850.153582
HF Energy-3849.881926
Nuclear repulsion energy294.647901
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 QCISD(T)/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 1994 1900        
2 Ag 1526 1455        
3 Ag 743 708        
4 Ag 239 227        
5 Au 458 436        
6 B1g 1998 1904        
7 B1g 478 455        
8 B1u 1253 1194        
9 B1u 648 618        
10 B2g 1319 1257        
11 B2g 400 381        
12 B2u 2004 1910        
13 B2u 795 758        
14 B2u 217 206        
15 B3g 770 734        
16 B3u 1988 1895        
17 B3u 1365 1301        
18 B3u 689 656        

Unscaled Zero Point Vibrational Energy (zpe) 9441.2 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 8998.4 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 QCISD(T)/cc-pVDZ
ABC
1.55678 0.06619 0.06486

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/cc-pVDZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 1.309 0.000 0.000
Ga2 -1.309 0.000 0.000
H3 0.000 0.000 1.178
H4 0.000 0.000 -1.178
H5 1.969 1.412 0.000
H6 1.969 -1.412 0.000
H7 -1.969 1.412 0.000
H8 -1.969 -1.412 0.000

Atom - Atom Distances (Å)
  Ga1 Ga2 H3 H4 H5 H6 H7 H8
Ga12.61821.76101.76101.55821.55823.56923.5692
Ga22.61821.76101.76103.56923.56921.55821.5582
H31.76101.76102.35572.69392.69392.69392.6939
H41.76101.76102.35572.69392.69392.69392.6939
H51.55823.56922.69392.69392.82313.93824.8456
H61.55823.56922.69392.69392.82314.84563.9382
H73.56921.55822.69392.69393.93824.84562.8231
H83.56921.55822.69392.69394.84563.93822.8231

picture of digallane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Ga1 Ga2 H3 41.979 Ga1 Ga2 H4 41.979
Ga1 Ga2 H7 115.060 Ga1 Ga2 H8 115.060
Ga1 H3 Ga2 96.042 Ga1 H4 Ga2 96.042
Ga2 Ga1 H3 41.979 Ga2 Ga1 H4 41.979
Ga2 Ga1 H5 115.060 Ga2 Ga1 H6 115.060
H3 Ga1 H4 83.958 H3 Ga1 H5 108.353
H3 Ga1 H6 108.353 H3 Ga2 H4 83.958
H3 Ga2 H7 108.353 H3 Ga2 H8 108.353
H4 Ga1 H5 108.353 H4 Ga1 H6 108.353
H4 Ga2 H7 108.353 H4 Ga2 H8 108.353
H5 Ga1 H6 129.880 H7 Ga2 H8 129.880
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability