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All results from a given calculation for Ga2H6 (digallane)

using model chemistry: CCSD(T)/aug-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 CCSD(T)/aug-cc-pVTZ
 hartrees
Energy at 0K-3850.484814
Energy at 298.15K-3850.492356
HF Energy-3850.027886
Nuclear repulsion energy301.092415
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 CCSD(T)/aug-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 2055 1993        
2 Ag 1604 1556        
3 Ag 758 735        
4 Ag 241 234        
5 Au 473 459        
6 B1g 2062 2000        
7 B1g 490 475        
8 B1u 1370 1329        
9 B1u 652 633        
10 B2g 1440 1397        
11 B2g 459 445        
12 B2u 2068 2006        
13 B2u 831 806        
14 B2u 215 209        
15 B3g 807 782        
16 B3u 2048 1986        
17 B3u 1468 1423        
18 B3u 704 682        

Unscaled Zero Point Vibrational Energy (zpe) 9871.7 cm-1
Scaled (by 0.9699) Zero Point Vibrational Energy (zpe) 9574.6 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 CCSD(T)/aug-cc-pVTZ
ABC
1.59526 0.06948 0.06803

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 1.277 0.000 0.000
Ga2 -1.277 0.000 0.000
H3 0.000 0.000 1.157
H4 0.000 0.000 -1.157
H5 1.935 1.397 0.000
H6 1.935 -1.397 0.000
H7 -1.935 1.397 0.000
H8 -1.935 -1.397 0.000

Atom - Atom Distances (Å)
  Ga1 Ga2 H3 H4 H5 H6 H7 H8
Ga12.55431.72301.72301.54441.54443.50293.5029
Ga22.55431.72301.72303.50293.50291.54441.5444
H31.72301.72302.31322.65222.65222.65222.6522
H41.72301.72302.31322.65222.65222.65222.6522
H51.54443.50292.65222.65222.79463.87004.7735
H61.54443.50292.65222.65222.79464.77353.8700
H73.50291.54442.65222.65223.87004.77352.7946
H83.50291.54442.65222.65224.77353.87002.7946

picture of digallane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Ga1 Ga2 H3 42.165 Ga1 Ga2 H4 42.165
Ga1 Ga2 H7 115.211 Ga1 Ga2 H8 115.211
Ga1 H3 Ga2 95.670 Ga1 H4 Ga2 95.670
Ga2 Ga1 H3 42.165 Ga2 Ga1 H4 42.165
Ga2 Ga1 H5 115.211 Ga2 Ga1 H6 115.211
H3 Ga1 H4 84.330 H3 Ga1 H5 108.404
H3 Ga1 H6 108.404 H3 Ga2 H4 84.330
H3 Ga2 H7 108.404 H3 Ga2 H8 108.404
H4 Ga1 H5 108.404 H4 Ga1 H6 108.404
H4 Ga2 H7 108.404 H4 Ga2 H8 108.404
H5 Ga1 H6 129.578 H7 Ga2 H8 129.578
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability