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

using model chemistry: BLYP/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 BLYP/3-21G
 hartrees
Energy at 0K-333.393264
Energy at 298.15K 
HF Energy-333.393264
Nuclear repulsion energy57.165425
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 BLYP/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 1984 1974 337.21 80.28 0.16 0.27
2 Σ 544 541 125.11 30.50 0.67 0.80
3 Π 160 159 1.80 8.10 0.75 0.86
3 Π 160 159 1.80 8.10 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1423.8 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 1415.9 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 BLYP/3-21G
B
0.18960

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 1.225
N2 0.000 0.000 -0.668
C3 0.000 0.000 -1.875

Atom - Atom Distances (Å)
  Al1 N2 C3
Al11.89333.1001
N21.89331.2068
C33.10011.2068

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 BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.485      
2 N -0.651      
3 C 0.165      


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 2.341 2.341
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.871 0.000 0.000
y 0.000 -21.871 0.000
z 0.000 0.000 -32.966
Traceless
 xyz
x 5.548 0.000 0.000
y 0.000 5.548 0.000
z 0.000 0.000 -11.095
Polar
3z2-r2-22.191
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 6.271 0.000 0.000
y 0.000 6.271 0.000
z 0.000 0.000 9.406


<r2> (average value of r2) Å2
<r2> 59.701
(<r2>)1/2 7.727