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All results from a given calculation for AlCN (Aluminum monocyanide)

using model chemistry: PBE1PBE/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 1Σ
Energy calculated at PBE1PBE/6-31G(2df,p)
 hartrees
Energy at 0K-335.015312
Energy at 298.15K 
HF Energy-335.015312
Nuclear repulsion energy54.799655
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 PBE1PBE/6-31G(2df,p)
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 2280 2182 89.79 72.87 0.11 0.19
2 Σ 478 457 147.66 18.06 0.72 0.84
3 Π 142 136 8.85 9.38 0.75 0.86
3 Π 142 136 8.85 9.38 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1520.7 cm-1
Scaled (by 0.957) Zero Point Vibrational Energy (zpe) 1455.3 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 PBE1PBE/6-31G(2df,p)
B
0.16712

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G(2df,p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 1.319
C2 0.000 0.000 -0.693
N3 0.000 0.000 -1.856

Atom - Atom Distances (Å)
  Al1 C2 N3
Al12.01143.1745
C22.01141.1631
N33.17451.1631

picture of Aluminum monocyanide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Al1 C2 N3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.180      
2 C 0.021      
3 N -0.200      


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 2.953 2.953
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.603 0.000 0.000
y 0.000 -21.603 0.000
z 0.000 0.000 -31.878
Traceless
 xyz
x 5.137 0.000 0.000
y 0.000 5.137 0.000
z 0.000 0.000 -10.275
Polar
3z2-r2-20.550
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 6.623 0.000 0.000
y 0.000 6.623 0.000
z 0.000 0.000 9.054


<r2> (average value of r2) Å2
<r2> 65.225
(<r2>)1/2 8.076