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All results from a given calculation for AlCN (Aluminum monocyanide)

using model chemistry: QCISD/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 QCISD/6-31G**
 hartrees
Energy at 0K-334.545787
Energy at 298.15K 
HF Energy-334.205790
Nuclear repulsion energy54.352606
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/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 2228 2098 80.87      
2 Σ 478 450 143.46      
3 Π 169 159 6.85      
3 Π 169 159 6.85      

Unscaled Zero Point Vibrational Energy (zpe) 1522.4 cm-1
Scaled (by 0.9414) Zero Point Vibrational Energy (zpe) 1433.2 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 QCISD/6-31G**
B
0.16467

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 1.328
C2 0.000 0.000 -0.695
N3 0.000 0.000 -1.871

Atom - Atom Distances (Å)
  Al1 C2 N3
Al12.02293.1991
C22.02291.1762
N33.19911.1762

picture of Aluminum monocyanide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Al1 C2 N3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability