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All results from a given calculation for AlCN (Aluminum monocyanide)

using model chemistry: PBEPBE/6-31G

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 PBEPBE/6-31G
 hartrees
Energy at 0K-334.954786
Energy at 298.15K 
HF Energy-334.954786
Nuclear repulsion energy53.439357
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 PBEPBE/6-31G
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 2110 2081 88.05 73.02 0.12 0.21
2 Σ 443 437 137.56 28.10 0.72 0.83
3 Π 173 171 4.87 9.93 0.75 0.86
3 Π 173 171 4.87 9.93 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1449.9 cm-1
Scaled (by 0.9862) Zero Point Vibrational Energy (zpe) 1429.9 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 PBEPBE/6-31G
B
0.15902

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 1.352
C2 0.000 0.000 -0.709
N3 0.000 0.000 -1.903

Atom - Atom Distances (Å)
  Al1 C2 N3
Al12.06063.2547
C22.06061.1941
N33.25471.1941

picture of Aluminum monocyanide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Al1 C2 N3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.461      
2 C -0.154      
3 N -0.307      


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 2.977 2.977
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.613 0.000 0.000
y 0.000 -21.613 0.000
z 0.000 0.000 -32.874
Traceless
 xyz
x 5.631 0.000 0.000
y 0.000 5.631 0.000
z 0.000 0.000 -11.261
Polar
3z2-r2-22.522
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 6.168 0.000 0.000
y 0.000 6.168 0.000
z 0.000 0.000 9.772


<r2> (average value of r2) Å2
<r2> 67.961
(<r2>)1/2 8.244