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

using model chemistry: mPW1PW91/6-31G**

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 mPW1PW91/6-31G**
 hartrees
Energy at 0K-335.209193
Energy at 298.15K 
HF Energy-335.209193
Nuclear repulsion energy54.535205
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 mPW1PW91/6-31G**
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 2291 2180 86.01 69.29 0.13 0.22
2 Σ 471 448 153.38 19.83 0.73 0.85
3 Π 174 165 8.33 10.74 0.75 0.86
3 Π 174 165 8.33 10.74 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1554.4 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 1479.0 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 mPW1PW91/6-31G**
B
0.16532

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 1.326
C2 0.000 0.000 -0.698
N3 0.000 0.000 -1.865

Atom - Atom Distances (Å)
  Al1 C2 N3
Al12.02483.1909
C22.02481.1662
N33.19091.1662

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 mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.340      
2 C 0.004      
3 N -0.344      


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 3.022 3.022
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.420 0.000 0.000
y 0.000 -21.420 0.000
z 0.000 0.000 -32.272
Traceless
 xyz
x 5.426 0.000 0.000
y 0.000 5.426 0.000
z 0.000 0.000 -10.851
Polar
3z2-r2-21.702
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 6.214 0.000 0.000
y 0.000 6.214 0.000
z 0.000 0.000 9.045


<r2> (average value of r2) Å2
<r2> 65.771
(<r2>)1/2 8.110