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

using model chemistry: HF/CEP-121G*

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/CEP-121G*
 hartrees
Energy at 0K-17.084496
Energy at 298.15K 
HF Energy-17.084496
Nuclear repulsion energy14.818065
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/CEP-121G*
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 2444 2208 46.74 77.73 0.11 0.20
2 Σ 464 419 186.39 15.22 0.75 0.86
3 Π 201 182 7.39 13.97 0.75 0.86
3 Π 201 182 7.39 13.97 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1654.9 cm-1
Scaled (by 0.9034) Zero Point Vibrational Energy (zpe) 1495.1 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 HF/CEP-121G*
B
0.16430

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 1.333
C2 0.000 0.000 -0.716
N3 0.000 0.000 -1.862

Atom - Atom Distances (Å)
  Al1 C2 N3
Al12.04883.1949
C22.04881.1461
N33.19491.1461

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 HF/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.366      
2 C -0.332      
3 N -0.034      


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 3.665 3.665
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.343 0.000 0.000
y 0.000 -20.343 0.000
z 0.000 0.000 -32.145
Traceless
 xyz
x 5.901 0.000 0.000
y 0.000 5.901 0.000
z 0.000 0.000 -11.803
Polar
3z2-r2-23.605
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 6.801 0.000 0.000
y 0.000 6.801 0.000
z 0.000 0.000 8.935


<r2> (average value of r2) Å2
<r2> 39.877
(<r2>)1/2 6.315