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 AlGa (Aluminum Gallium)

using model chemistry: CCD/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 3Σ
2 1 yes C*V 1Σ

State 1 (3Σ)

Jump to S2C1
Energy calculated at CCD/6-311G*
 hartrees
Energy at 0K-2165.173711
Energy at 298.15K 
HF Energy-2165.065844
Nuclear repulsion energy81.611501
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 CCD/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 309 295 1.55      

Unscaled Zero Point Vibrational Energy (zpe) 154.5 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 147.6 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 CCD/6-311G*
B
0.12732

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-311G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 -1.841
Ga2 0.000 0.000 0.772

Atom - Atom Distances (Å)
  Al1 Ga2
Al12.6131
Ga22.6131

picture of Aluminum Gallium state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

State 2 (1Σ)

Jump to S1C1
Energy calculated at CCD/6-311G*
 hartrees
Energy at 0K-2165.169941
Energy at 298.15K 
HF Energy-2165.056792
Nuclear repulsion energy70.975019
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 CCD/6-311G*
Rotational Constants (cm-1) from geometry optimized at CCD/6-311G*
B
0.09629

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-311G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 -2.117
Ga2 0.000 0.000 0.888

Atom - Atom Distances (Å)
  Al1 Ga2
Al13.0047
Ga23.0047

picture of Aluminum Gallium state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability