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

using model chemistry: MP2/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A'
1 2 no C3V 1A1

Conformer 1 (D3H)

Jump to S1C2
Energy calculated at MP2/SDD
 hartrees
Energy at 0K-76.916025
Energy at 298.15K-76.916769
HF Energy-76.732629
Nuclear repulsion energy23.002666
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/SDD
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' 580 560 0.00      
2 A2" 72 70 92.91      
3 E' 782 755 10.20      
3 E' 782 755 10.20      
4 E' 199 192 9.91      
4 E' 199 192 9.91      

Unscaled Zero Point Vibrational Energy (zpe) 1306.5 cm-1
Scaled (by 0.9653) Zero Point Vibrational Energy (zpe) 1261.2 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/SDD
ABC
0.49006 0.49006 0.24503

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/SDD

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.000
Li2 0.000 1.808 0.000
Li3 1.566 -0.904 0.000
Li4 -1.566 -0.904 0.000

Atom - Atom Distances (Å)
  N1 Li2 Li3 Li4
N11.80791.80791.8079
Li21.80793.13143.1314
Li31.80793.13143.1314
Li41.80793.13143.1314

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

Conformer 2 (C3V)

Jump to S1C1
Energy calculated at MP2/SDD
 hartrees
Energy at 0K-76.916025
Energy at 298.15K-76.916768
HF Energy-76.732657
Nuclear repulsion energy23.007223
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/SDD
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 581 560 0.00      
2 A1 72 69 93.00      
3 E 782 755 10.23      
3 E 782 755 10.23      
4 E 199 192 9.93      
4 E 199 192 9.93      

Unscaled Zero Point Vibrational Energy (zpe) 1306.9 cm-1
Scaled (by 0.9653) Zero Point Vibrational Energy (zpe) 1261.5 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/SDD
ABC
0.49026 0.49026 0.24513

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/SDD

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -0.000
Li2 0.000 1.808 0.000
Li3 1.565 -0.904 0.000
Li4 -1.565 -0.904 0.000

Atom - Atom Distances (Å)
  N1 Li2 Li3 Li4
N11.80761.80761.8076
Li21.80763.13083.1308
Li31.80763.13083.1308
Li41.80763.13083.1308

picture of trilithium nitride state 1 conformation 2
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