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All results from a given calculation for Ga2H6 (digallane)

using model chemistry: QCISD/3-21G

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/3-21G
 hartrees
Energy at 0K-3831.262946
Energy at 298.15K-3831.270272
HF Energy-3831.130241
Nuclear repulsion energy288.999468
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/3-21G
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 1822 1766 0.00      
2 Ag 1458 1413 0.00      
3 Ag 773 750 0.00      
4 Ag 215 208 0.00      
5 Au 436 423 0.00      
6 B1g 1826 1769 0.00      
7 B1g 464 450 0.00      
8 B1u 1173 1137 323.33      
9 B1u 613 594 175.70      
10 B2g 1308 1268 0.00      
11 B2g 366 355 0.00      
12 B2u 1831 1775 354.41      
13 B2u 857 831 275.32      
14 B2u 244 236 5.80      
15 B3g 733 711 0.00      
16 B3u 1816 1760 97.97      
17 B3u 1384 1341 1210.39      
18 B3u 727 704 652.71      

Unscaled Zero Point Vibrational Energy (zpe) 9023.4 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 8745.5 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/3-21G
ABC
1.52692 0.06354 0.06229

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/3-21G

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 1.335 0.000 0.000
Ga2 -1.335 0.000 0.000
H3 0.000 0.000 1.189
H4 0.000 0.000 -1.189
H5 2.035 1.425 0.000
H6 2.035 -1.425 0.000
H7 -2.035 1.425 0.000
H8 -2.035 -1.425 0.000

Atom - Atom Distances (Å)
  Ga1 Ga2 H3 H4 H5 H6 H7 H8
Ga12.67041.78791.78791.58781.58783.65903.6590
Ga22.67041.78791.78793.65903.65901.58781.5878
H31.78791.78792.37802.75422.75422.75422.7542
H41.78791.78792.37802.75422.75422.75422.7542
H51.58783.65902.75422.75422.85084.06954.9687
H61.58783.65902.75422.75422.85084.96874.0695
H73.65901.58782.75422.75424.06954.96872.8508
H83.65901.58782.75422.75424.96874.06952.8508

picture of digallane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Ga1 Ga2 H3 41.686 Ga1 Ga2 H4 41.686
Ga1 Ga2 H7 116.141 Ga1 Ga2 H8 116.141
Ga1 H3 Ga2 96.629 Ga1 H4 Ga2 96.629
Ga2 Ga1 H3 41.686 Ga2 Ga1 H4 41.686
Ga2 Ga1 H5 116.141 Ga2 Ga1 H6 116.141
H3 Ga1 H4 83.371 H3 Ga1 H5 109.210
H3 Ga1 H6 109.210 H3 Ga2 H4 83.371
H3 Ga2 H7 109.210 H3 Ga2 H8 109.210
H4 Ga1 H5 109.210 H4 Ga1 H6 109.210
H4 Ga2 H7 109.210 H4 Ga2 H8 109.210
H5 Ga1 H6 127.718 H7 Ga2 H8 127.718
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability