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

using model chemistry: QCISD/daug-cc-pVTZ

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/daug-cc-pVTZ
 hartrees
Energy at 0K-334.664733
Energy at 298.15K 
HF Energy-334.262083
Nuclear repulsion energy54.487384
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/daug-cc-pVTZ
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 2221 2221 78.72      
2 Σ 465 465 161.81      
3 Π 160 160 7.21      
3 Π 160 160 7.21      

Unscaled Zero Point Vibrational Energy (zpe) 1503.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1503.2 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/daug-cc-pVTZ
B
0.16482

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/daug-cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 1.329
C2 0.000 0.000 -0.702
N3 0.000 0.000 -1.866

Atom - Atom Distances (Å)
  Al1 C2 N3
Al12.03053.1949
C22.03051.1645
N33.19491.1645

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