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

using model chemistry: QCISD/Def2TZVPP

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 QCISD/Def2TZVPP
 hartrees
Energy at 0K-334.665720
Energy at 298.15K 
HF Energy-334.280608
Nuclear repulsion energy58.281276
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 QCISD/Def2TZVPP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Σ 2110 2110 400.56      
2 Σ 556 556 188.64      
3 Π 108 108 2.62      
3 Π 108 108 2.62      

Unscaled Zero Point Vibrational Energy (zpe) 1441.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1441.1 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 QCISD/Def2TZVPP
B
0.19691

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/Def2TZVPP

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 -0.658
C3 0.000 0.000 -1.838

Atom - Atom Distances (Å)
  Al1 N2 C3
Al11.86023.0411
N21.86021.1809
C33.04111.1809

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