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

using model chemistry: TPSSh/STO-3G

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 TPSSh/STO-3G
 hartrees
Energy at 0K-331.140124
Energy at 298.15K 
HF Energy-331.140124
Nuclear repulsion energy54.040041
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 TPSSh/STO-3G
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 2264 2264 123.19 22.24 0.28 0.44
2 Σ 539 539 125.21 9.81 0.32 0.49
3 Π 169 169 0.59 2.29 0.75 0.86
3 Π 169 169 0.59 2.29 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1570.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1570.3 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 TPSSh/STO-3G
B
0.16404

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/STO-3G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 1.328
C2 0.000 0.000 -0.681
N3 0.000 0.000 -1.883

Atom - Atom Distances (Å)
  Al1 C2 N3
Al12.00953.2108
C22.00951.2013
N33.21081.2013

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 TPSSh/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.526      
2 C -0.270      
3 N -0.256      


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 4.644 4.644
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 2.169 0.000 0.000
y 0.000 2.169 0.000
z 0.000 0.000 4.387


<r2> (average value of r2) Å2
<r2> 62.898
(<r2>)1/2 7.931