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

using model chemistry: MP2/CEP-121G*

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-121G*
 hartrees
Energy at 0K-17.410481
Energy at 298.15K 
HF Energy-17.078629
Nuclear repulsion energy14.419365
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-121G*
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 1996 1901 129.48 54.82 0.09 0.17
2 Σ 463 441 158.42 17.92 0.72 0.83
3 Π 163 156 4.50 8.35 0.75 0.86
3 Π 163 156 4.50 8.35 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1392.5 cm-1
Scaled (by 0.9528) Zero Point Vibrational Energy (zpe) 1326.7 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 MP2/CEP-121G*
B
0.16148

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 1.340
C2 0.000 0.000 -0.696
N3 0.000 0.000 -1.892

Atom - Atom Distances (Å)
  Al1 C2 N3
Al12.03623.2327
C22.03621.1965
N33.23271.1965

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