return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: BLYP/TZVP

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 BLYP/TZVP
 hartrees
Energy at 0K-335.282145
Energy at 298.15K 
HF Energy-335.282145
Nuclear repulsion energy53.926165
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 BLYP/TZVP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Σ 2157 2152 96.51 75.59 0.13 0.23
2 Σ 437 436 155.66 22.86 0.68 0.81
3 Π 144 144 4.25 8.83 0.75 0.86
3 Π 144 144 4.25 8.83 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1441.5 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 1437.9 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 BLYP/TZVP
B
0.16106

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/TZVP

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 1.345
C2 0.000 0.000 -0.714
N3 0.000 0.000 -1.886

Atom - Atom Distances (Å)
  Al1 C2 N3
Al12.05883.2304
C22.05881.1716
N33.23041.1716

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 BLYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.337      
2 C -0.288      
3 N -0.049      


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 3.674 3.674
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.993 0.000 0.000
y 0.000 -21.993 0.000
z 0.000 0.000 -31.940
Traceless
 xyz
x 4.974 0.000 0.000
y 0.000 4.974 0.000
z 0.000 0.000 -9.947
Polar
3z2-r2-19.895
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 6.408 0.000 0.000
y 0.000 6.408 0.000
z 0.000 0.000 9.919


<r2> (average value of r2) Å2
<r2> 67.264
(<r2>)1/2 8.201