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

using model chemistry: LSDA/6-31G(2df,p)

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 LSDA/6-31G(2df,p)
 hartrees
Energy at 0K-279.273801
Energy at 298.15K-279.272466
HF Energy-279.273801
Nuclear repulsion energy21.232533
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 LSDA/6-31G(2df,p)
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 663 653 18.34      

Unscaled Zero Point Vibrational Energy (zpe) 331.5 cm-1
Scaled (by 0.984) Zero Point Vibrational Energy (zpe) 326.2 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 LSDA/6-31G(2df,p)
B
0.53706

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-31G(2df,p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 0.614
C2 0.000 0.000 -1.330

Atom - Atom Distances (Å)
  Al1 C2
Al11.9440
C21.9440

picture of Aluminum carbide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.085      
2 C -0.085      


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 1.424 1.424
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.837 0.000 0.000
y 0.000 -17.837 0.000
z 0.000 0.000 -21.882
Traceless
 xyz
x 2.022 0.000 0.000
y 0.000 2.022 0.000
z 0.000 0.000 -4.045
Polar
3z2-r2-8.089
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 5.856 0.000 0.000
y 0.000 5.856 0.000
z 0.000 0.000 9.897


<r2> (average value of r2) Å2
<r2> 27.497
(<r2>)1/2 5.244