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

using model chemistry: B2PLYP/3-21G*

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 B2PLYP/3-21G*
 hartrees
Energy at 0K-278.667204
Energy at 298.15K-278.665865
HF Energy-278.640476
Nuclear repulsion energy20.872712
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 B2PLYP/3-21G*
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 659 659 56.98      

Unscaled Zero Point Vibrational Energy (zpe) 329.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 329.3 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 B2PLYP/3-21G*
B
0.51901

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/3-21G*

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 -1.353

Atom - Atom Distances (Å)
  Al1 C2
Al11.9775
C21.9775

picture of Aluminum carbide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.313      
2 C -0.313      


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 1.065 1.065
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.878 0.000 0.000
y 0.000 -17.878 0.000
z 0.000 0.000 -23.304
Traceless
 xyz
x 2.713 0.000 0.000
y 0.000 2.713 0.000
z 0.000 0.000 -5.426
Polar
3z2-r2-10.852
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 5.572 0.000 0.000
y 0.000 5.572 0.000
z 0.000 0.000 9.144


<r2> (average value of r2) Å2
<r2> 28.350
(<r2>)1/2 5.324