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

using model chemistry: BLYP/3-21G*

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 BLYP/3-21G*
 hartrees
Energy at 0K-333.442775
Energy at 298.15K 
HF Energy-333.442775
Nuclear repulsion energy57.538544
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 BLYP/3-21G*
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 1978 1965 341.00 75.07 0.15 0.26
2 Σ 566 562 129.44 26.55 0.66 0.79
3 Π 154 153 2.23 8.28 0.75 0.86
3 Π 154 153 2.23 8.28 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1425.6 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 1416.3 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 BLYP/3-21G*
B
0.19255

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 1.215
N2 0.000 0.000 -0.657
C3 0.000 0.000 -1.865

Atom - Atom Distances (Å)
  Al1 N2 C3
Al11.87183.0792
N21.87181.2074
C33.07921.2074

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 BLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.383      
2 N -0.570      
3 C 0.187      


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 2.263 2.263
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.874 0.000 0.000
y 0.000 -21.874 0.000
z 0.000 0.000 -32.370
Traceless
 xyz
x 5.248 0.000 0.000
y 0.000 5.248 0.000
z 0.000 0.000 -10.496
Polar
3z2-r2-20.991
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 6.221 0.000 0.000
y 0.000 6.221 0.000
z 0.000 0.000 9.101


<r2> (average value of r2) Å2
<r2> 58.911
(<r2>)1/2 7.675