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

using model chemistry: CCSD/6-31+G**

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 CCSD/6-31+G**
 hartrees
Energy at 0K-334.562052
Energy at 298.15K 
HF Energy-334.230906
Nuclear repulsion energy57.675018
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 CCSD/6-31+G**
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 2132 1991 409.83      
2 Σ 545 509 196.81      
3 Π 166 155 0.60      
3 Π 166 155 0.60      

Unscaled Zero Point Vibrational Energy (zpe) 1504.4 cm-1
Scaled (by 0.9338) Zero Point Vibrational Energy (zpe) 1404.8 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 CCSD/6-31+G**
B
0.19266

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-31+G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 1.216
N2 0.000 0.000 -0.667
C3 0.000 0.000 -1.857

Atom - Atom Distances (Å)
  Al1 N2 C3
Al11.88313.0734
N21.88311.1903
C33.07341.1903

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