return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for Ga2H6 (digallane)

using model chemistry: QCISD(T)/cc-pVTZ

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-pVTZ
 hartrees
Energy at 0K-3850.464884
Energy at 298.15K-3850.472455
HF Energy-3850.027344
Nuclear repulsion energy301.479687
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-pVTZ
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 2074 1967        
2 Ag 1629 1545        
3 Ag 757 718        
4 Ag 246 233        
5 Au 479 454        
6 B1g 2082 1975        
7 B1g 495 470        
8 B1u 1381 1310        
9 B1u 652 619        
10 B2g 1439 1365        
11 B2g 449 426        
12 B2u 2088 1980        
13 B2u 826 784        
14 B2u 233 221        
15 B3g 799 758        
16 B3u 2067 1960        
17 B3u 1456 1381        
18 B3u 706 670        

Unscaled Zero Point Vibrational Energy (zpe) 9927.9 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 9417.6 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 QCISD(T)/cc-pVTZ
ABC
1.58833 0.06981 0.06836

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 1.274 0.000 0.000
Ga2 -1.274 0.000 0.000
H3 0.000 0.000 1.165
H4 0.000 0.000 -1.165
H5 1.939 1.398 0.000
H6 1.939 -1.398 0.000
H7 -1.939 1.398 0.000
H8 -1.939 -1.398 0.000

Atom - Atom Distances (Å)
  Ga1 Ga2 H3 H4 H5 H6 H7 H8
Ga12.54701.72611.72611.54821.54823.50353.5035
Ga22.54701.72611.72613.50353.50351.54821.5482
H31.72611.72612.33052.65922.65922.65922.6592
H41.72611.72612.33052.65922.65922.65922.6592
H51.54823.50352.65922.65922.79563.87814.7807
H61.54823.50352.65922.65922.79564.78073.8781
H73.50351.54822.65922.65923.87814.78072.7956
H83.50351.54822.65922.65924.78073.87812.7956

picture of digallane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Ga1 Ga2 H3 42.458 Ga1 Ga2 H4 42.458
Ga1 Ga2 H7 115.461 Ga1 Ga2 H8 115.461
Ga1 H3 Ga2 95.085 Ga1 H4 Ga2 95.085
Ga2 Ga1 H3 42.458 Ga2 Ga1 H4 42.458
Ga2 Ga1 H5 115.461 Ga2 Ga1 H6 115.461
H3 Ga1 H4 84.915 H3 Ga1 H5 108.492
H3 Ga1 H6 108.492 H3 Ga2 H4 84.915
H3 Ga2 H7 108.492 H3 Ga2 H8 108.492
H4 Ga1 H5 108.492 H4 Ga1 H6 108.492
H4 Ga2 H7 108.492 H4 Ga2 H8 108.492
H5 Ga1 H6 129.078 H7 Ga2 H8 129.078
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability