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

using model chemistry: QCISD/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-334.566022
Energy at 298.15K 
HF Energy-334.226727
Nuclear repulsion energy53.847249
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/cc-pVDZ
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 2203 2114 78.67      
2 Σ 456 437 144.98      
3 Π 169 162 4.38      
3 Π 169 162 4.38      

Unscaled Zero Point Vibrational Energy (zpe) 1498.0 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 1437.2 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/cc-pVDZ
B
0.16111

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 1.344
C2 0.000 0.000 -0.708
N3 0.000 0.000 -1.888

Atom - Atom Distances (Å)
  Al1 C2 N3
Al12.05173.2320
C22.05171.1803
N33.23201.1803

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