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All results from a given calculation for Ga2H6 (digallane)

using model chemistry: TPSSh/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 TPSSh/3-21G*
 hartrees
Energy at 0K-3834.701495
Energy at 298.15K-3834.708706
HF Energy-3834.701495
Nuclear repulsion energy294.016390
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 TPSSh/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 1977 1909 0.00      
2 Ag 1492 1441 0.00      
3 Ag 714 689 0.00      
4 Ag 228 220 0.00      
5 Au 444 429 0.00      
6 B1g 1985 1917 0.00      
7 B1g 470 454 0.00      
8 B1u 1275 1231 211.74      
9 B1u 625 604 111.26      
10 B2g 1297 1253 0.00      
11 B2g 386 373 0.00      
12 B2u 1991 1923 344.02      
13 B2u 743 717 119.96      
14 B2u 189 182 3.30      
15 B3g 734 709 0.00      
16 B3u 1971 1903 130.72      
17 B3u 1323 1278 1036.43      
18 B3u 661 638 462.17      

Unscaled Zero Point Vibrational Energy (zpe) 9251.8 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 8934.5 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 TPSSh/3-21G*
ABC
1.51184 0.06630 0.06495

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 1.308 0.000 0.000
Ga2 -1.308 0.000 0.000
H3 0.000 0.000 1.208
H4 0.000 0.000 -1.208
H5 1.971 1.427 0.000
H6 1.971 -1.427 0.000
H7 -1.971 1.427 0.000
H8 -1.971 -1.427 0.000

Atom - Atom Distances (Å)
  Ga1 Ga2 H3 H4 H5 H6 H7 H8
Ga12.61501.78011.78011.57361.57363.57543.5754
Ga22.61501.78011.78013.57543.57541.57361.5736
H31.78011.78012.41592.71652.71652.71652.7165
H41.78011.78012.41592.71652.71652.71652.7165
H51.57363.57542.71652.71652.85413.94164.8664
H61.57363.57542.71652.71652.85414.86643.9416
H73.57541.57362.71652.71653.94164.86642.8541
H83.57541.57362.71652.71654.86643.94162.8541

picture of digallane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Ga1 Ga2 H3 42.733 Ga1 Ga2 H4 42.733
Ga1 Ga2 H7 114.929 Ga1 Ga2 H8 114.929
Ga1 H3 Ga2 94.533 Ga1 H4 Ga2 94.533
Ga2 Ga1 H3 42.733 Ga2 Ga1 H4 42.733
Ga2 Ga1 H5 114.929 Ga2 Ga1 H6 114.929
H3 Ga1 H4 85.467 H3 Ga1 H5 108.035
H3 Ga1 H6 108.035 H3 Ga2 H4 85.467
H3 Ga2 H7 108.035 H3 Ga2 H8 108.035
H4 Ga1 H5 108.035 H4 Ga1 H6 108.035
H4 Ga2 H7 108.035 H4 Ga2 H8 108.035
H5 Ga1 H6 130.142 H7 Ga2 H8 130.142
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ga -0.029      
2 Ga -0.029      
3 H -0.026      
4 H -0.026      
5 H 0.028      
6 H 0.028      
7 H 0.028      
8 H 0.028      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.978 0.000 0.000
y 0.000 7.856 0.000
z 0.000 0.000 6.256


<r2> (average value of r2) Å2
<r2> 156.969
(<r2>)1/2 12.529