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

using model chemistry: QCISD/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 QCISD/cc-pVDZ
 hartrees
Energy at 0K-334.572163
Energy at 298.15K 
HF Energy-334.244023
Nuclear repulsion energy57.191021
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 QCISD/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 2081 1997 368.51      
2 Σ 534 512 180.84      
3 Π 101 97 1.60      
3 Π 101 97 1.60      

Unscaled Zero Point Vibrational Energy (zpe) 1408.3 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 1351.2 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 QCISD/cc-pVDZ
B
0.18936

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 1.227
N2 0.000 0.000 -0.674
C3 0.000 0.000 -1.873

Atom - Atom Distances (Å)
  Al1 N2 C3
Al11.90063.0995
N21.90061.1990
C33.09951.1990

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