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

using model chemistry: B3PW91/cc-pV(T+d)Z

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/cc-pV(T+d)Z
 hartrees
Energy at 0K-280.300475
Energy at 298.15K-280.299127
HF Energy-280.300475
Nuclear repulsion energy20.969950
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/cc-pV(T+d)Z
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 635 612 49.98      

Unscaled Zero Point Vibrational Energy (zpe) 317.4 cm-1
Scaled (by 0.964) Zero Point Vibrational Energy (zpe) 305.9 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/cc-pV(T+d)Z
B
0.52385

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pV(T+d)Z

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 0.622
C2 0.000 0.000 -1.347

Atom - Atom Distances (Å)
  Al1 C2
Al11.9683
C21.9683

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/cc-pV(T+d)Z Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.262      
2 C -0.262      


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 1.730 1.730
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.857 0.000 0.000
y 0.000 -17.857 0.000
z 0.000 0.000 -22.785
Traceless
 xyz
x 2.464 0.000 0.000
y 0.000 2.464 0.000
z 0.000 0.000 -4.928
Polar
3z2-r2-9.856
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 6.417 0.000 0.000
y 0.000 6.417 0.000
z 0.000 0.000 10.873


<r2> (average value of r2) Å2
<r2> 28.084
(<r2>)1/2 5.299