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

using model chemistry: MP2/CEP-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 MP2/CEP-31G
 hartrees
Energy at 0K-17.236094
Energy at 298.15K 
HF Energy-17.036180
Nuclear repulsion energy14.512691
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 MP2/CEP-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 1862 1799 295.91 114.28 0.17 0.30
2 Σ 453 437 222.62 25.06 0.75 0.86
3 Π 188 182 0.18 11.51 0.75 0.86
3 Π 188 182 0.18 11.51 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1345.0 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 1299.6 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 MP2/CEP-31G
B
0.17626

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 1.272
N2 0.000 0.000 -0.697
C3 0.000 0.000 -1.942

Atom - Atom Distances (Å)
  Al1 N2 C3
Al11.96873.2131
N21.96871.2445
C33.21311.2445

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