return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for LiNH2 (lithium amide)

using model chemistry: HF/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-63.079989
Energy at 298.15K 
HF Energy-63.079989
Nuclear repulsion energy15.452304
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 HF/Def2TZVPP
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 3703 3357 3.06 152.73 0.14 0.24
2 A1 1685 1527 32.38 5.43 0.53 0.69
3 A1 856 776 134.03 8.74 0.14 0.25
4 B1 471 427 181.38 17.69 0.75 0.86
5 B2 3762 3410 2.82 112.73 0.75 0.86
6 B2 416 377 129.62 0.16 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5446.0 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 4936.3 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 HF/Def2TZVPP
ABC
13.32601 1.01703 0.94492

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -1.399
N2 0.000 0.000 0.331
H3 0.000 0.792 0.941
H4 0.000 -0.792 0.941

Atom - Atom Distances (Å)
  Li1 N2 H3 H4
Li11.72952.47042.4704
N21.72951.00011.0001
H32.47041.00011.5844
H42.47041.00011.5844

picture of lithium amide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Li1 N2 H3 127.616 Li1 N2 H4 127.616
H3 N2 H4 104.767
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.720      
2 N -0.995      
3 H 0.137      
4 H 0.137      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -4.909 4.909
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.465 0.000 0.000
y 0.000 -8.352 0.000
z 0.000 0.000 0.296
Traceless
 xyz
x -8.437 0.000 0.000
y 0.000 -2.268 0.000
z 0.000 0.000 10.705
Polar
3z2-r221.411
x2-y2-4.113
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.367 0.000 0.000
y 0.000 2.271 0.000
z 0.000 0.000 3.013


<r2> (average value of r2) Å2
<r2> 13.934
(<r2>)1/2 3.733