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All results from a given calculation for AlC (Aluminum carbide)

using model chemistry: CCSD(T)/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 4Σ
Energy calculated at CCSD(T)/TZVP
 hartrees
Energy at 0K-279.801295
Energy at 298.15K-279.799954
HF Energy-279.659239
Nuclear repulsion energy20.842281
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 CCSD(T)/TZVP
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 649 624        

Unscaled Zero Point Vibrational Energy (zpe) 324.4 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 312.2 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 CCSD(T)/TZVP
B
0.51760

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/TZVP

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 0.625
C2 0.000 0.000 -1.355

Atom - Atom Distances (Å)
  Al1 C2
Al11.9802
C21.9802

picture of Aluminum carbide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability