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

using model chemistry: B3LYP/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 B3LYP/3-21G*
 hartrees
Energy at 0K-333.470112
Energy at 298.15K 
HF Energy-333.470112
Nuclear repulsion energy54.757528
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/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 2238 2153 101.54 54.24 0.12 0.21
2 Σ 500 481 132.89 19.03 0.72 0.84
3 Π 301 290 6.39 10.40 0.75 0.86
3 Π 301 290 6.39 10.40 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1670.2 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 1606.7 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/3-21G*
B
0.16753

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 1.316
C2 0.000 0.000 -0.684
N3 0.000 0.000 -1.857

Atom - Atom Distances (Å)
  Al1 C2 N3
Al12.00043.1733
C22.00041.1729
N33.17331.1729

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/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.394      
2 C 0.016      
3 N -0.410      


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 2.548 2.548
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.582 0.000 0.000
y 0.000 -21.582 0.000
z 0.000 0.000 -32.710
Traceless
 xyz
x 5.564 0.000 0.000
y 0.000 5.564 0.000
z 0.000 0.000 -11.129
Polar
3z2-r2-22.258
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 6.119 0.000 0.000
y 0.000 6.119 0.000
z 0.000 0.000 8.484


<r2> (average value of r2) Å2
<r2> 65.269
(<r2>)1/2 8.079