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

using model chemistry: CISD/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 CISD/6-311+G(3df,2p)
 hartrees
Energy at 0K-334.622279
Energy at 298.15K 
HF Energy-334.276100
Nuclear repulsion energy58.550354
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 CISD/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 2180 2010 453.45      
2 Σ 561 518 198.53      
3 Π 115 106 2.66      
3 Π 115 106 2.66      

Unscaled Zero Point Vibrational Energy (zpe) 1486.2 cm-1
Scaled (by 0.9218) Zero Point Vibrational Energy (zpe) 1369.9 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 CISD/6-311+G(3df,2p)
B
0.19854

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 1.198
N2 0.000 0.000 -0.657
C3 0.000 0.000 -1.829

Atom - Atom Distances (Å)
  Al1 N2 C3
Al11.85523.0274
N21.85521.1723
C33.02741.1723

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