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/SDD

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/SDD
 hartrees
Energy at 0K-63.045717
Energy at 298.15K 
HF Energy-63.045717
Nuclear repulsion energy15.324371
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/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 3676 3310 15.54 161.54 0.21 0.34
2 A1 1725 1553 51.86 9.52 0.50 0.67
3 A1 857 772 102.31 10.61 0.08 0.14
4 B1 639 575 372.76 29.21 0.75 0.86
5 B2 3766 3391 6.19 143.40 0.75 0.86
6 B2 496 447 194.13 0.13 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5580.1 cm-1
Scaled (by 0.9004) Zero Point Vibrational Energy (zpe) 5024.4 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/SDD
ABC
12.68521 1.00461 0.93089

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -1.408
N2 0.000 0.000 0.336
H3 0.000 0.812 0.934
H4 0.000 -0.812 0.934

Atom - Atom Distances (Å)
  Li1 N2 H3 H4
Li11.74412.47902.4790
N21.74411.00851.0085
H32.47901.00851.6239
H42.47901.00851.6239

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 126.377 Li1 N2 H4 126.377
H3 N2 H4 107.246
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.680      
2 N -1.227      
3 H 0.273      
4 H 0.273      


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 -4.736 4.736
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.793 0.000 0.000
y 0.000 -8.322 0.000
z 0.000 0.000 0.390
Traceless
 xyz
x -8.827 0.000 0.000
y 0.000 -2.121 0.000
z 0.000 0.000 10.947
Polar
3z2-r221.895
x2-y2-4.471
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.743 0.000 0.000
y 0.000 1.884 0.000
z 0.000 0.000 2.877


<r2> (average value of r2) Å2
<r2> 14.117
(<r2>)1/2 3.757