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All results from a given calculation for AlNC (Aluminum isocyanide)

using model chemistry: B2PLYP/aug-cc-pVDZ

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 B2PLYP/aug-cc-pVDZ
 hartrees
Energy at 0K-335.077164
Energy at 298.15K 
HF Energy-334.967839
Nuclear repulsion energy57.134968
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 B2PLYP/aug-cc-pVDZ
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 2057 2057 380.06 95.81 0.12 0.21
2 Σ 510 510 198.75 18.34 0.64 0.78
3 Π 80 80 2.12 6.18 0.75 0.86
3 Π 80 80 2.12 6.18 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1364.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1364.0 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 B2PLYP/aug-cc-pVDZ
B
0.18864

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/aug-cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 1.230
N2 0.000 0.000 -0.679
C3 0.000 0.000 -1.873

Atom - Atom Distances (Å)
  Al1 N2 C3
Al11.90923.1033
N21.90921.1942
C33.10331.1942

picture of Aluminum isocyanide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Al1 N2 C3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.539      
2 N -0.235      
3 C -0.304      


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 3.533 3.533
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.496 0.000 0.000
y 0.000 -22.496 0.000
z 0.000 0.000 -32.220
Traceless
 xyz
x 4.862 0.000 0.000
y 0.000 4.862 0.000
z 0.000 0.000 -9.724
Polar
3z2-r2-19.448
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 7.324 0.000 0.000
y 0.000 7.324 0.000
z 0.000 0.000 9.633


<r2> (average value of r2) Å2
<r2> 60.032
(<r2>)1/2 7.748