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All results from a given calculation for AlNC (Aluminum isocyanide)

using model chemistry: PBE1PBE/6-31G**

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**
 hartrees
Energy at 0K-335.015939
Energy at 298.15K 
HF Energy-335.015939
Nuclear repulsion energy57.995696
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**
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 2142 2042 419.62 79.90 0.13 0.23
2 Σ 559 533 171.76 19.88 0.73 0.84
3 Π 106 101 1.62 8.44 0.75 0.86
3 Π 106 101 1.62 8.44 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1456.0 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 1387.7 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**
B
0.19502

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 1.208
N2 0.000 0.000 -0.660
C3 0.000 0.000 -1.848

Atom - Atom Distances (Å)
  Al1 N2 C3
Al11.86873.0560
N21.86871.1872
C33.05601.1872

picture of Aluminum isocyanide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Al1 N2 C3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.385      
2 N -0.399      
3 C 0.014      


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 2.508 2.508
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.655 0.000 0.000
y 0.000 -21.655 0.000
z 0.000 0.000 -31.576
Traceless
 xyz
x 4.960 0.000 0.000
y 0.000 4.960 0.000
z 0.000 0.000 -9.921
Polar
3z2-r2-19.841
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 6.428 0.000 0.000
y 0.000 6.428 0.000
z 0.000 0.000 8.894


<r2> (average value of r2) Å2
<r2> 58.107
(<r2>)1/2 7.623