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

using model chemistry: M06-2X/3-21G*

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 M06-2X/3-21G*
 hartrees
Energy at 0K-333.395042
Energy at 298.15K 
HF Energy-333.395042
Nuclear repulsion energy58.253022
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 M06-2X/3-21G*
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 2109 1998 410.37 78.76 0.17 0.29
2 Σ 605 573 160.98 16.51 0.71 0.83
3 Π 173 164 1.03 9.93 0.75 0.86
3 Π 173 164 1.03 9.93 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1530.2 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 1449.4 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 M06-2X/3-21G*
B
0.19737

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 1.200
N2 0.000 0.000 -0.649
C3 0.000 0.000 -1.842

Atom - Atom Distances (Å)
  Al1 N2 C3
Al11.84883.0415
N21.84881.1926
C33.04151.1926

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 M06-2X/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.444      
2 N -0.660      
3 C 0.216      


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 2.315 2.315
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.644 0.000 0.000
y 0.000 -21.644 0.000
z 0.000 0.000 -32.007
Traceless
 xyz
x 5.182 0.000 0.000
y 0.000 5.182 0.000
z 0.000 0.000 -10.363
Polar
3z2-r2-20.727
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 6.011 0.000 0.000
y 0.000 6.011 0.000
z 0.000 0.000 8.327


<r2> (average value of r2) Å2
<r2> 57.688
(<r2>)1/2 7.595