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

using model chemistry: CCSD/6-31G*

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/6-31G*
 hartrees
Energy at 0K-334.550438
Energy at 298.15K 
HF Energy-334.223477
Nuclear repulsion energy57.819686
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/6-31G*
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 2140 2021 372.36      
2 Σ 561 530 176.88      
3 Π 129 122 0.83      
3 Π 129 122 0.83      

Unscaled Zero Point Vibrational Energy (zpe) 1479.6 cm-1
Scaled (by 0.9443) Zero Point Vibrational Energy (zpe) 1397.2 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/6-31G*
B
0.19387

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 1.212
N2 0.000 0.000 -0.662
C3 0.000 0.000 -1.853

Atom - Atom Distances (Å)
  Al1 N2 C3
Al11.87383.0652
N21.87381.1914
C33.06521.1914

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