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

using model chemistry: B2PLYP/6-311+G(3df,2p)

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 B2PLYP/6-311+G(3df,2p)
 hartrees
Energy at 0K-335.119157
Energy at 298.15K 
HF Energy-334.993900
Nuclear repulsion energy58.158355
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 B2PLYP/6-311+G(3df,2p)
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 2077 2077 383.75 91.86 0.11 0.20
2 Σ 540 540 189.30 15.80 0.69 0.82
3 Π 100 100 2.94 6.86 0.75 0.86
3 Π 100 100 2.94 6.86 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1408.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1408.4 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 B2PLYP/6-311+G(3df,2p)
B
0.19596

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311+G(3df,2p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 1.206
N2 0.000 0.000 -0.661
C3 0.000 0.000 -1.842

Atom - Atom Distances (Å)
  Al1 N2 C3
Al11.86633.0477
N21.86631.1814
C33.04771.1814

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 B2PLYP/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.440      
2 N -0.514      
3 C 0.074      


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 3.226 3.226
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.330 0.000 0.000
y 0.000 -22.330 0.000
z 0.000 0.000 -32.155
Traceless
 xyz
x 4.912 0.000 0.000
y 0.000 4.912 0.000
z 0.000 0.000 -9.824
Polar
3z2-r2-19.648
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 7.396 0.000 0.000
y 0.000 7.396 0.000
z 0.000 0.000 9.295


<r2> (average value of r2) Å2
<r2> 58.308
(<r2>)1/2 7.636