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

using model chemistry: QCISD/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 QCISD/6-31+G**
 hartrees
Energy at 0K-334.563563
Energy at 298.15K 
HF Energy-334.230682
Nuclear repulsion energy57.635451
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/6-31+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 2106 1991 399.80      
2 Σ 544 515 195.34      
3 Π 166 157 0.60      
3 Π 166 157 0.60      

Unscaled Zero Point Vibrational Energy (zpe) 1490.5 cm-1
Scaled (by 0.9454) Zero Point Vibrational Energy (zpe) 1409.1 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/6-31+G**
B
0.19248

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 1.217
N2 0.000 0.000 -0.666
C3 0.000 0.000 -1.859

Atom - Atom Distances (Å)
  Al1 N2 C3
Al11.88293.0753
N21.88291.1925
C33.07531.1925

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