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

using model chemistry: B3LYP/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 B3LYP/6-31G(2df,p)
 hartrees
Energy at 0K-335.276475
Energy at 298.15K 
HF Energy-335.276475
Nuclear repulsion energy58.384935
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 B3LYP/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 2111 2037 415.33 76.58 0.11 0.20
2 Σ 567 547 158.22 18.44 0.72 0.84
3 Π 88 85 3.17 7.95 0.75 0.86
3 Π 88 85 3.17 7.95 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1427.0 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 1377.1 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 B3LYP/6-31G(2df,p)
B
0.19791

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 1.199
N2 0.000 0.000 -0.653
C3 0.000 0.000 -1.836

Atom - Atom Distances (Å)
  Al1 N2 C3
Al11.85143.0351
N21.85141.1838
C33.03511.1838

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 B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.233      
2 N -0.036      
3 C -0.196      


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 2.590 2.590
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.865 0.000 0.000
y 0.000 -21.865 0.000
z 0.000 0.000 -31.420
Traceless
 xyz
x 4.777 0.000 0.000
y 0.000 4.777 0.000
z 0.000 0.000 -9.555
Polar
3z2-r2-19.109
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 6.698 0.000 0.000
y 0.000 6.698 0.000
z 0.000 0.000 8.858


<r2> (average value of r2) Å2
<r2> 57.542
(<r2>)1/2 7.586