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All results from a given calculation for Li3N (trilithium nitride)

using model chemistry: QCISD/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A'
Energy calculated at QCISD/6-31G
 hartrees
Energy at 0K-76.899910
Energy at 298.15K 
HF Energy-76.718689
Nuclear repulsion energy22.936321
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/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 A1' 587 566 0.00      
2 A2" 160 154 169.68      
3 E' 697 671 3345.75      
3 E' 697 671 3346.32      
4 E' 222i 214i 3898.25      
4 E' 222i 214i 3899.16      

Unscaled Zero Point Vibrational Energy (zpe) 848.2 cm-1
Scaled (by 0.9636) Zero Point Vibrational Energy (zpe) 817.3 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/6-31G
ABC
0.48724 0.48724 0.24362

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.000
Li2 0.000 1.813 0.000
Li3 1.570 -0.907 0.000
Li4 -1.570 -0.907 0.000

Atom - Atom Distances (Å)
  N1 Li2 Li3 Li4
N11.81321.81321.8132
Li21.81323.14053.1405
Li31.81323.14053.1405
Li41.81323.14053.1405

picture of trilithium nitride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Li2 N1 Li3 120.000 Li2 N1 Li4 120.000
Li3 N1 Li4 120.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability