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All results from a given calculation for AlP (Aluminum monophosphide)

using model chemistry: QCISD/6-31+G**

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 3Π
3 1 yes C*V 1Σ

State 1 (3Σ)

Jump to S2C1 S3C1
Energy calculated at QCISD/6-31+G**
 hartrees
Energy at 0K-582.719579
Energy at 298.15K-582.719636
HF Energy-582.567870
Nuclear repulsion energy46.071186
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/6-31+G**
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 460 435 9.24      

Unscaled Zero Point Vibrational Energy (zpe) 230.0 cm-1
Scaled (by 0.9454) Zero Point Vibrational Energy (zpe) 217.5 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/6-31+G**
B
0.23303

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 -1.200
P2 0.000 0.000 1.040

Atom - Atom Distances (Å)
  Al1 P2
Al12.2398
P22.2398

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

State 2 (3Π)

Jump to S1C1 S3C1
Energy calculated at QCISD/6-31+G**
 hartrees
Energy at 0K-582.719579
Energy at 298.15K-582.719636
HF Energy-582.567870
Nuclear repulsion energy46.071186
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/6-31+G**
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 460 435 9.24      

Unscaled Zero Point Vibrational Energy (zpe) 230.0 cm-1
Scaled (by 0.9454) Zero Point Vibrational Energy (zpe) 217.5 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/6-31+G**
B
0.23303

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 -1.200
P2 0.000 0.000 1.040

Atom - Atom Distances (Å)
  Al1 P2
Al12.2398
P22.2398

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

State 3 (1Σ)

Jump to S1C1 S2C1
Energy calculated at QCISD/6-31+G**
 hartrees
Energy at 0K-582.695350
Energy at 298.15K-582.695470
HF Energy-582.498938
Nuclear repulsion energy48.841907
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/6-31+G**
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 544 514 0.97      

Unscaled Zero Point Vibrational Energy (zpe) 271.8 cm-1
Scaled (by 0.9454) Zero Point Vibrational Energy (zpe) 257.0 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 QCISD/6-31+G**
B
0.26190

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 -1.132
P2 0.000 0.000 0.981

Atom - Atom Distances (Å)
  Al1 P2
Al12.1127
P22.1127

picture of Aluminum monophosphide state 3 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability