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

using model chemistry: MP4=FULL/3-21G

19 10 17 12 22

States and conformations

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

Conformer 1 (D3H)

Jump to S1C2
Energy calculated at MP4=FULL/3-21G
 hartrees
Energy at 0K-76.509870
Energy at 298.15K 
HF Energy-76.305879
Nuclear repulsion energy22.896197
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 MP4=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 A1' 608 596        
2 A2" 85i 84i        
3 E' 748 732        
3 E' 747 732        
4 E' 174 170        
4 E' 174 170        

Unscaled Zero Point Vibrational Energy (zpe) 1182.9 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 1157.8 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 MP4=FULL/3-21G
ABC
0.48575 0.48575 0.24287

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/3-21G

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.000
Li2 0.000 1.816 0.000
Li3 1.573 -0.908 0.000
Li4 -1.573 -0.908 0.000

Atom - Atom Distances (Å)
  N1 Li2 Li3 Li4
N11.81591.81591.8159
Li21.81593.14533.1453
Li31.81593.14533.1453
Li41.81593.14533.1453

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 MP4=FULL/3-21G
 hartrees
Energy at 0K-76.510115
Energy at 298.15K-76.510919
HF Energy-76.304047
Nuclear repulsion energy22.904012
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 MP4=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 A1 624 611        
2 A1 116 114        
3 E 741 726        
3 E 741 726        
4 E 191 187        
4 E 191 187        

Unscaled Zero Point Vibrational Energy (zpe) 1302.2 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 1274.6 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 MP4=FULL/3-21G
ABC
0.48587 0.48587 0.25011

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/3-21G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.194
Li2 0.000 1.789 -0.151
Li3 1.550 -0.895 -0.151
Li4 -1.550 -0.895 -0.151

Atom - Atom Distances (Å)
  N1 Li2 Li3 Li4
N11.82231.82231.8223
Li21.82233.09953.0995
Li31.82233.09953.0995
Li41.82233.09953.0995

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 116.520 Li2 N1 Li4 116.520
Li3 N1 Li4 116.520
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability