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

using model chemistry: HF/CEP-31G*

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/CEP-31G*
 hartrees
Energy at 0K-11.034351
Energy at 298.15K 
HF Energy-11.034351
Nuclear repulsion energy7.452110
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/CEP-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 3698 3321 12.66 170.81 0.20 0.33
2 A1 1717 1542 12.51 16.95 0.48 0.65
3 A1 782 702 115.22 8.35 0.12 0.22
4 B1 449 404 189.20 37.88 0.75 0.86
5 B2 3762 3378 10.92 159.74 0.75 0.86
6 B2 399 358 194.46 0.15 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5403.4 cm-1
Scaled (by 0.898) Zero Point Vibrational Energy (zpe) 4852.2 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 HF/CEP-31G*
ABC
13.14986 0.94538 0.88197

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -1.451
N2 0.000 0.000 0.345
H3 0.000 0.797 0.968
H4 0.000 -0.797 0.968

Atom - Atom Distances (Å)
  Li1 N2 H3 H4
Li11.79652.54672.5467
N21.79651.01141.0114
H32.54671.01141.5950
H42.54671.01141.5950

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 127.955 Li1 N2 H4 127.955
H3 N2 H4 104.089
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.395      
2 N -0.885      
3 H 0.245      
4 H 0.245      


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 -4.978 4.978
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.882 0.000 0.000
y 0.000 -8.489 0.000
z 0.000 0.000 1.231
Traceless
 xyz
x -9.252 0.000 0.000
y 0.000 -2.664 0.000
z 0.000 0.000 11.916
Polar
3z2-r223.832
x2-y2-4.392
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.338 0.000 0.000
y 0.000 2.180 0.000
z 0.000 0.000 3.264


<r2> (average value of r2) Å2
<r2> 10.040
(<r2>)1/2 3.169