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

using model chemistry: B3PW91/aug-cc-pCVTZ

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 B3PW91/aug-cc-pCVTZ
 hartrees
Energy at 0K-335.231827
Energy at 298.15K 
HF Energy-335.231827
Nuclear repulsion energy58.317836
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 B3PW91/aug-cc-pCVTZ
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 2117 2117 445.19 88.76 0.10 0.18
2 Σ 544 544 184.57 16.60 0.69 0.81
3 Π 85 85 3.16 6.67 0.75 0.86
3 Π 85 85 3.16 6.67 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1415.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1415.0 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 B3PW91/aug-cc-pCVTZ
B
0.19697

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/aug-cc-pCVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 1.203
N2 0.000 0.000 -0.660
C3 0.000 0.000 -1.837

Atom - Atom Distances (Å)
  Al1 N2 C3
Al11.86253.0395
N21.86251.1770
C33.03951.1770

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 B3PW91/aug-cc-pCVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.254      
2 N -0.217      
3 C -0.038      


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 3.070 3.070
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.070 0.000 0.000
y 0.000 -22.070 0.000
z 0.000 0.000 -31.670
Traceless
 xyz
x 4.800 0.000 0.000
y 0.000 4.800 0.000
z 0.000 0.000 -9.600
Polar
3z2-r2-19.199
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 7.454 0.000 0.000
y 0.000 7.454 0.000
z 0.000 0.000 9.282


<r2> (average value of r2) Å2
<r2> 57.878
(<r2>)1/2 7.608