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

using model chemistry: B2PLYP/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 B2PLYP/6-31G
 hartrees
Energy at 0K-334.974646
Energy at 298.15K 
HF Energy-334.897556
Nuclear repulsion energy56.991368
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 B2PLYP/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 2014 2014 325.45 92.73 0.15 0.26
2 Σ 525 525 167.33 23.73 0.72 0.84
3 Π 187 187 0.18 9.10 0.75 0.86
3 Π 187 187 0.18 9.10 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1456.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1456.1 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 B2PLYP/6-31G
B
0.18824

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 1.230
N2 0.000 0.000 -0.673
C3 0.000 0.000 -1.880

Atom - Atom Distances (Å)
  Al1 N2 C3
Al11.90323.1100
N21.90321.2068
C33.11001.2068

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 B2PLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.608      
2 N -0.634      
3 C 0.026      


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 3.013 3.013
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.808 0.000 0.000
y 0.000 -21.808 0.000
z 0.000 0.000 -32.545
Traceless
 xyz
x 5.369 0.000 0.000
y 0.000 5.369 0.000
z 0.000 0.000 -10.737
Polar
3z2-r2-21.474
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 6.268 0.000 0.000
y 0.000 6.268 0.000
z 0.000 0.000 9.091


<r2> (average value of r2) Å2
<r2> 59.910
(<r2>)1/2 7.740