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

using model chemistry: B3PW91/6-31+G**

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 B3PW91/6-31+G**
 hartrees
Energy at 0K-280.269671
Energy at 298.15K-280.268318
HF Energy-280.269671
Nuclear repulsion energy20.861488
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 B3PW91/6-31+G**
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 629 604 55.74      

Unscaled Zero Point Vibrational Energy (zpe) 314.4 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 301.8 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 B3PW91/6-31+G**
B
0.51845

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31+G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 0.625
C2 0.000 0.000 -1.354

Atom - Atom Distances (Å)
  Al1 C2
Al11.9786
C21.9786

picture of Aluminum carbide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.283      
2 C -0.283      


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 1.882 1.882
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.909 0.000 0.000
y 0.000 -17.909 0.000
z 0.000 0.000 -23.422
Traceless
 xyz
x 2.756 0.000 0.000
y 0.000 2.756 0.000
z 0.000 0.000 -5.513
Polar
3z2-r2-11.026
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 5.962 0.000 0.000
y 0.000 5.962 0.000
z 0.000 0.000 11.548


<r2> (average value of r2) Å2
<r2> 28.405
(<r2>)1/2 5.330