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 AlP (Aluminum monophosphide)

using model chemistry: B2PLYP/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 3Π
3 1 yes C*V 1Σ

State 1 (3Σ)

Jump to S2C1 S3C1
Energy calculated at B2PLYP/6-311G**
 hartrees
Energy at 0K-583.452305
Energy at 298.15K-583.452373
HF Energy-583.406524
Nuclear repulsion energy46.540398
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 B2PLYP/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 471 471 9.39      

Unscaled Zero Point Vibrational Energy (zpe) 235.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 235.2 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 B2PLYP/6-311G**
B
0.23780

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 -1.188
P2 0.000 0.000 1.029

Atom - Atom Distances (Å)
  Al1 P2
Al12.2172
P22.2172

picture of Aluminum monophosphide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.317      
2 P -0.317      


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 -2.719 2.719
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.637 0.000 0.000
y 0.000 -29.297 0.000
z 0.000 0.000 -26.148
Traceless
 xyz
x 3.085 0.000 0.000
y 0.000 -3.905 0.000
z 0.000 0.000 0.819
Polar
3z2-r21.639
x2-y24.660
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.664 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 15.093


<r2> (average value of r2) Å2
<r2> 50.909
(<r2>)1/2 7.135

State 2 (3Π)

Jump to S1C1 S3C1
Energy calculated at B2PLYP/6-311G**
 hartrees
Energy at 0K-583.452305
Energy at 298.15K-583.452373
HF Energy-583.406524
Nuclear repulsion energy46.540398
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 B2PLYP/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 471 471 9.39      

Unscaled Zero Point Vibrational Energy (zpe) 235.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 235.2 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 B2PLYP/6-311G**
B
0.23780

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 -1.188
P2 0.000 0.000 1.029

Atom - Atom Distances (Å)
  Al1 P2
Al12.2172
P22.2172

picture of Aluminum monophosphide state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.317      
2 P -0.317      


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 -2.719 2.719
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.637 0.000 0.000
y 0.000 -29.297 0.000
z 0.000 0.000 -26.148
Traceless
 xyz
x 3.085 0.000 0.000
y 0.000 -3.905 0.000
z 0.000 0.000 0.819
Polar
3z2-r21.639
x2-y24.660
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.664 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 15.093


<r2> (average value of r2) Å2
<r2> 50.909
(<r2>)1/2 7.135

State 3 (1Σ)

Jump to S1C1 S2C1
Energy calculated at B2PLYP/6-311G**
 hartrees
Energy at 0K-583.428772
Energy at 298.15K-583.428926
HF Energy-583.363171
Nuclear repulsion energy49.652593
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 B2PLYP/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 594 594 3.83      

Unscaled Zero Point Vibrational Energy (zpe) 296.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 296.8 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 B2PLYP/6-311G**
B
0.27067

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 -1.113
P2 0.000 0.000 0.965

Atom - Atom Distances (Å)
  Al1 P2
Al12.0782
P22.0782

picture of Aluminum monophosphide state 3 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.338      
2 P -0.338      


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 -3.856 3.856
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.818 0.000 0.000
y 0.000 -28.818 0.000
z 0.000 0.000 -17.817
Traceless
 xyz
x -5.500 0.000 0.000
y 0.000 -5.500 0.000
z 0.000 0.000 11.001
Polar
3z2-r222.002
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.664 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 15.093


<r2> (average value of r2) Å2
<r2> 45.788
(<r2>)1/2 6.767