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

using model chemistry: B3LYP/SDD

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/SDD
 hartrees
Energy at 0K-335.252959
Energy at 298.15K 
HF Energy-335.252959
Nuclear repulsion energy57.414567
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/SDD
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 2037 1958 397.17 64.05 0.17 0.28
2 Σ 542 521 163.11 23.18 0.68 0.81
3 Π 226 218 0.74 9.67 0.75 0.86
3 Π 226 218 0.74 9.67 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1515.6 cm-1
Scaled (by 0.9613) Zero Point Vibrational Energy (zpe) 1456.9 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/SDD
B
0.19158

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/SDD

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 1.218
N2 0.000 0.000 -0.661
C3 0.000 0.000 -1.868

Atom - Atom Distances (Å)
  Al1 N2 C3
Al11.87883.0861
N21.87881.2073
C33.08611.2073

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/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.602      
2 N -0.473      
3 C -0.129      


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 3.105 3.105
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.672 0.000 0.000
y 0.000 -21.672 0.000
z 0.000 0.000 -32.730
Traceless
 xyz
x 5.529 0.000 0.000
y 0.000 5.529 0.000
z 0.000 0.000 -11.058
Polar
3z2-r2-22.117
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 6.242 0.000 0.000
y 0.000 6.242 0.000
z 0.000 0.000 8.954


<r2> (average value of r2) Å2
<r2> 59.119
(<r2>)1/2 7.689