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

using model chemistry: G4

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 G4
 hartrees
Energy at 0K-335.096455
Energy at 298.15K-335.091609
HF Energy-335.264546
Nuclear repulsion energy54.696218
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 B3LYP/6-31G(2df,p)
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 2253 2174 92.80 73.34 0.11 0.20
2 Σ 472 455 146.55 18.41 0.71 0.83
3 Π 149 144 8.16 8.38 0.75 0.86
3 Π 149 144 8.16 8.38 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1511.4 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 1458.5 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 B3LYP/6-31G(2df,p)
B
0.16659

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 1.321
C2 0.000 0.000 -0.694
N3 0.000 0.000 -1.858

Atom - Atom Distances (Å)
  Al1 C2 N3
Al12.01483.1794
C22.01481.1646
N33.17941.1646

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 B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.178      
2 C -0.002      
3 N -0.176      


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 3.033 3.033
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 65.375
(<r2>)1/2 8.085