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

using model chemistry: ROHF/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 ROHF/6-31G*
 hartrees
Energy at 0K-279.630286
Energy at 298.15K-279.628950
HF Energy-279.630286
Nuclear repulsion energy20.947257
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 ROHF/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 667 594 178.84      

Unscaled Zero Point Vibrational Energy (zpe) 333.7 cm-1
Scaled (by 0.8904) Zero Point Vibrational Energy (zpe) 297.1 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 ROHF/6-31G*
B
0.52272

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 0.622
C2 0.000 0.000 -1.348

Atom - Atom Distances (Å)
  Al1 C2
Al11.9705
C21.9705

picture of Aluminum carbide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.370      
2 C -0.370      


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 0.612 0.612
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.598 0.000 0.000
y 0.000 -17.598 0.000
z 0.000 0.000 -24.427
Traceless
 xyz
x 3.414 0.000 0.000
y 0.000 3.414 0.000
z 0.000 0.000 -6.829
Polar
3z2-r2-13.657
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 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 28.352
(<r2>)1/2 5.325