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 GaP (Gallium monophosphide)

using model chemistry: CISD/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 3Σ
4 1 yes C*V 1Σ

State 1 (3Σ)

Jump to S2C1 S3C1 S4C1
Energy calculated at CISD/6-31G
 hartrees
Energy at 0K-2261.905873
Energy at 298.15K-2261.906293
HF Energy-2261.829287
Nuclear repulsion energy105.218815
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 CISD/6-31G
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 319 299 15.04      

Unscaled Zero Point Vibrational Energy (zpe) 159.5 cm-1
Scaled (by 0.9378) Zero Point Vibrational Energy (zpe) 149.6 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 CISD/6-31G
B
0.14423

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-31G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 0.763
P2 0.000 0.000 -1.576

Atom - Atom Distances (Å)
  Ga1 P2
Ga12.3386
P22.3386

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

State 2 (3Π)

Jump to S1C1 S3C1 S4C1
Energy calculated at CISD/6-31G
 hartrees
Energy at 0K-2261.905873
Energy at 298.15K-2261.906293
HF Energy-2261.829287
Nuclear repulsion energy105.218815
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 CISD/6-31G
Rotational Constants (cm-1) from geometry optimized at CISD/6-31G
B
0.14423

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-31G

Point Group is C∞v

Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

State 3 (1Π)

Jump to S1C1 S2C1 S4C1
Energy calculated at CISD/6-31G
 hartrees
Energy at 0K-2261.905873
Energy at 298.15K-2261.906293
HF Energy-2261.829287
Nuclear repulsion energy105.218815
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 CISD/6-31G
Rotational Constants (cm-1) from geometry optimized at CISD/6-31G
B
0.14423

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-31G

Point Group is C∞v

Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

State 4 (1Σ)

Jump to S1C1 S2C1 S3C1
Energy calculated at CISD/6-31G
 hartrees
Energy at 0K-2261.870761
Energy at 298.15K-2261.871294
HF Energy-2261.758056
Nuclear repulsion energy114.221310
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 CISD/6-31G
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 429 402 3.27      

Unscaled Zero Point Vibrational Energy (zpe) 214.4 cm-1
Scaled (by 0.9378) Zero Point Vibrational Energy (zpe) 201.0 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 CISD/6-31G
B
0.16997

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-31G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 0.702
P2 0.000 0.000 -1.452

Atom - Atom Distances (Å)
  Ga1 P2
Ga12.1543
P22.1543

picture of Gallium monophosphide state 4 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability