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

using model chemistry: LSDA/6-31G*

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*
 hartrees
Energy at 0K-279.270704
Energy at 298.15K-279.269361
HF Energy-279.270704
Nuclear repulsion energy21.101321
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*
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 653 640 21.42      

Unscaled Zero Point Vibrational Energy (zpe) 326.3 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 320.2 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*
B
0.53044

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-31G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 0.618
C2 0.000 0.000 -1.338

Atom - Atom Distances (Å)
  Al1 C2
Al11.9561
C21.9561

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* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.190      
2 C -0.190      


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 1.368 1.368
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.700 0.000 0.000
y 0.000 -17.700 0.000
z 0.000 0.000 -22.336
Traceless
 xyz
x 2.318 0.000 0.000
y 0.000 2.318 0.000
z 0.000 0.000 -4.636
Polar
3z2-r2-9.272
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 5.394 0.000 0.000
y 0.000 5.394 0.000
z 0.000 0.000 9.775


<r2> (average value of r2) Å2
<r2> 27.728
(<r2>)1/2 5.266