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

using model chemistry: B3LYP/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 B3LYP/6-31G**
 hartrees
Energy at 0K-280.335162
Energy at 298.15K-280.333810
HF Energy-280.335162
Nuclear repulsion energy20.903087
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/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 632 608 39.40      

Unscaled Zero Point Vibrational Energy (zpe) 316.1 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 303.7 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/6-31G**
B
0.52052

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 0.624
C2 0.000 0.000 -1.351

Atom - Atom Distances (Å)
  Al1 C2
Al11.9746
C21.9746

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/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.249      
2 C -0.249      


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 1.393 1.393
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.614 0.000 0.000
y 0.000 -17.614 0.000
z 0.000 0.000 -22.823
Traceless
 xyz
x 2.604 0.000 0.000
y 0.000 2.604 0.000
z 0.000 0.000 -5.209
Polar
3z2-r2-10.418
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 5.503 0.000 0.000
y 0.000 5.503 0.000
z 0.000 0.000 9.745


<r2> (average value of r2) Å2
<r2> 28.093
(<r2>)1/2 5.300