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

using model chemistry: B97D3/3-21G

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 B97D3/3-21G
 hartrees
Energy at 0K-278.748209
Energy at 298.15K-278.746833
HF Energy-278.748209
Nuclear repulsion energy 
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 B97D3/3-21G
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 589 579 26.12      

Unscaled Zero Point Vibrational Energy (zpe) 294.7 cm-1
Scaled (by 0.983) Zero Point Vibrational Energy (zpe) 289.7 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 B97D3/3-21G
B
0.48306

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/3-21G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 0.647
C2 0.000 0.000 -1.402

Atom - Atom Distances (Å)
  Al1 C2
Al12.0498
C22.0498

picture of Aluminum carbide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.379      
2 C -0.379      


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 1.378 1.378
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.074 0.000 0.000
y 0.000 -18.074 0.000
z 0.000 0.000 -23.866
Traceless
 xyz
x 2.896 0.000 0.000
y 0.000 2.896 0.000
z 0.000 0.000 -5.792
Polar
3z2-r2-11.584
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 5.614 0.000 0.000
y 0.000 5.614 0.000
z 0.000 0.000 9.884


<r2> (average value of r2) Å2
<r2> 29.743
(<r2>)1/2 5.454