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

using model chemistry: wB97X-D/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 wB97X-D/TZVP
 hartrees
Energy at 0K-280.315774
Energy at 298.15K-280.314419
HF Energy-280.315774
Nuclear repulsion energy20.870049
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 wB97X-D/TZVP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Σ 624 596 81.25      

Unscaled Zero Point Vibrational Energy (zpe) 312.0 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 298.0 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 wB97X-D/TZVP
B
0.51888

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/TZVP

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 0.626
C2 0.000 0.000 -1.357

Atom - Atom Distances (Å)
  Al1 C2
Al11.9826
C21.9826

picture of Aluminum carbide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.312      
2 C -0.312      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 1.747 1.747
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.784 0.000 0.000
y 0.000 -17.784 0.000
z 0.000 0.000 -23.534
Traceless
 xyz
x 2.875 0.000 0.000
y 0.000 2.875 0.000
z 0.000 0.000 -5.750
Polar
3z2-r2-11.501
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.021 0.000 0.000
y 0.000 6.021 0.000
z 0.000 0.000 11.250


<r2> (average value of r2) Å2
<r2> 28.362
(<r2>)1/2 5.326