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All results from a given calculation for AlNC (Aluminum isocyanide)

using model chemistry: HF/CEP-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 1Σ
Energy calculated at HF/CEP-31G*
 hartrees
Energy at 0K-17.092753
Energy at 298.15K 
HF Energy-17.092753
Nuclear repulsion energy15.259524
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 HF/CEP-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 2265 2034 590.10 62.81 0.17 0.29
2 Σ 537 482 198.99 11.34 0.74 0.85
3 Π 89 80 0.11 10.71 0.75 0.86
3 Π 89 80 0.11 10.71 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1489.9 cm-1
Scaled (by 0.898) Zero Point Vibrational Energy (zpe) 1337.9 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 HF/CEP-31G*
B
0.19517

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 1.208
N2 0.000 0.000 -0.661
C3 0.000 0.000 -1.846

Atom - Atom Distances (Å)
  Al1 N2 C3
Al11.86963.0541
N21.86961.1845
C33.05411.1845

picture of Aluminum isocyanide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Al1 N2 C3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.392      
2 N -0.051      
3 C -0.341      


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 2.536 2.536
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.565 0.000 0.000
y 0.000 -20.565 0.000
z 0.000 0.000 -31.342
Traceless
 xyz
x 5.388 0.000 0.000
y 0.000 5.388 0.000
z 0.000 0.000 -10.777
Polar
3z2-r2-21.554
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 6.953 0.000 0.000
y 0.000 6.953 0.000
z 0.000 0.000 8.279


<r2> (average value of r2) Å2
<r2> 35.285
(<r2>)1/2 5.940