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

using model chemistry: QCISD/6-311G**

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/6-311G**
 hartrees
Energy at 0K-334.595411
Energy at 298.15K 
HF Energy-334.243469
Nuclear repulsion energy54.480533
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/6-311G**
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 2209 2108 84.02      
2 Σ 475 453 148.14      
3 Π 169 161 4.81      
3 Π 169 161 4.81      

Unscaled Zero Point Vibrational Energy (zpe) 1511.1 cm-1
Scaled (by 0.9541) Zero Point Vibrational Energy (zpe) 1441.7 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/6-311G**
B
0.16519

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-311G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 1.326
C2 0.000 0.000 -0.696
N3 0.000 0.000 -1.867

Atom - Atom Distances (Å)
  Al1 C2 N3
Al12.02293.1930
C22.02291.1701
N33.19301.1701

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