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

using model chemistry: HF/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-334.245922
Energy at 298.15K 
HF Energy-334.245922
Nuclear repulsion energy58.131060
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/cc-pVDZ
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 2288 2078 567.82 75.69 0.15 0.26
2 Σ 556 505 210.02 13.26 0.74 0.85
3 Π 116 105 0.83 10.04 0.75 0.86
3 Π 116 105 0.83 10.04 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1538.3 cm-1
Scaled (by 0.908) Zero Point Vibrational Energy (zpe) 1396.8 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/cc-pVDZ
B
0.19504

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 1.210
N2 0.000 0.000 -0.670
C3 0.000 0.000 -1.840

Atom - Atom Distances (Å)
  Al1 N2 C3
Al11.88053.0507
N21.88051.1702
C33.05071.1702

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/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.498      
2 N -0.440      
3 C -0.058      


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 2.628 2.628
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.044 0.000 0.000
y 0.000 -22.044 0.000
z 0.000 0.000 -32.615
Traceless
 xyz
x 5.286 0.000 0.000
y 0.000 5.286 0.000
z 0.000 0.000 -10.572
Polar
3z2-r2-21.143
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 6.700 0.000 0.000
y 0.000 6.700 0.000
z 0.000 0.000 8.302


<r2> (average value of r2) Å2
<r2> 58.478
(<r2>)1/2 7.647