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

using model chemistry: PBEPBE/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-335.054712
Energy at 298.15K 
HF Energy-335.054712
Nuclear repulsion energy57.838126
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/Def2TZVPP
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 2043 2018 398.23 82.76 0.14 0.24
2 Σ 528 522 168.69 22.33 0.66 0.80
3 Π 80 79 3.49 7.71 0.75 0.86
3 Π 80 79 3.49 7.71 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1365.4 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 1348.9 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/Def2TZVPP
B
0.19384

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/Def2TZVPP

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 1.212
N2 0.000 0.000 -0.664
C3 0.000 0.000 -1.852

Atom - Atom Distances (Å)
  Al1 N2 C3
Al11.87613.0645
N21.87611.1884
C33.06451.1884

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 PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.244      
2 N -0.056      
3 C -0.188      


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 3.135 3.135
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.229 0.000 0.000
y 0.000 -22.229 0.000
z 0.000 0.000 -31.725
Traceless
 xyz
x 4.748 0.000 0.000
y 0.000 4.748 0.000
z 0.000 0.000 -9.496
Polar
3z2-r2-18.992
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 7.152 0.000 0.000
y 0.000 7.152 0.000
z 0.000 0.000 9.620


<r2> (average value of r2) Å2
<r2> 58.636
(<r2>)1/2 7.657