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

using model chemistry: MP2=FULL/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 MP2=FULL/3-21G*
 hartrees
Energy at 0K-332.687330
Energy at 298.15K 
HF Energy-332.449634
Nuclear repulsion energy57.572202
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 MP2=FULL/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 1958 1857 242.87 98.33 0.19 0.32
2 Σ 585 555 159.89 17.80 0.68 0.81
3 Π 135 128 3.37 10.31 0.75 0.86
3 Π 135 128 3.37 10.31 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1406.3 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 1333.2 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 MP2=FULL/3-21G*
B
0.19300

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 1.213
N2 0.000 0.000 -0.654
C3 0.000 0.000 -1.865

Atom - Atom Distances (Å)
  Al1 N2 C3
Al11.86623.0771
N21.86621.2109
C33.07711.2109

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