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

using model chemistry: B3LYP/CEP-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 B3LYP/CEP-31G*
 hartrees
Energy at 0K-7.461418
Energy at 298.15K-7.460054
HF Energy-7.461418
Nuclear repulsion energy3.183065
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 B3LYP/CEP-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 615 594 46.40      

Unscaled Zero Point Vibrational Energy (zpe) 307.6 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 297.0 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 B3LYP/CEP-31G*
B
0.50996

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 0.630
C2 0.000 0.000 -1.365

Atom - Atom Distances (Å)
  Al1 C2
Al11.9950
C21.9950

picture of Aluminum carbide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.211      
2 C -0.211      


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 1.818 1.818
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.401 0.000 0.000
y 0.000 -16.401 0.000
z 0.000 0.000 -21.954
Traceless
 xyz
x 2.776 0.000 0.000
y 0.000 2.776 0.000
z 0.000 0.000 -5.552
Polar
3z2-r2-11.105
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 5.827 0.000 0.000
y 0.000 5.827 0.000
z 0.000 0.000 10.487


<r2> (average value of r2) Å2
<r2> 20.043
(<r2>)1/2 4.477