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

using model chemistry: PBE1PBE/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBE1PBE/3-21G*
 hartrees
Energy at 0K-63.023113
Energy at 298.15K 
HF Energy-63.023113
Nuclear repulsion energy15.303938
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 PBE1PBE/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 3383 3247 10.66 206.69 0.07 0.14
2 A1 1635 1569 10.62 38.02 0.56 0.72
3 A1 932 894 40.59 228.24 0.12 0.21
4 B1 519 498 203.95 225.46 0.75 0.86
5 B2 3470 3331 17.80 171.68 0.75 0.86
6 B2 463 444 164.82 0.46 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5200.7 cm-1
Scaled (by 0.9598) Zero Point Vibrational Energy (zpe) 4991.6 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 PBE1PBE/3-21G*
ABC
12.40495 1.03408 0.95451

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -1.387
N2 0.000 0.000 0.325
H3 0.000 0.821 0.944
H4 0.000 -0.821 0.944

Atom - Atom Distances (Å)
  Li1 N2 H3 H4
Li11.71182.47112.4711
N21.71181.02831.0283
H32.47111.02831.6422
H42.47111.02831.6422

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 127.010 Li1 N2 H4 127.010
H3 N2 H4 105.981
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.343      
2 N -0.842      
3 H 0.249      
4 H 0.249      


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 -3.149 3.149
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.973 0.000 0.000
y 0.000 -8.757 0.000
z 0.000 0.000 -1.609
Traceless
 xyz
x -8.791 0.000 0.000
y 0.000 -0.966 0.000
z 0.000 0.000 9.756
Polar
3z2-r219.512
x2-y2-5.217
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.100 0.000 0.000
y 0.000 1.810 0.000
z 0.000 0.000 4.214


<r2> (average value of r2) Å2
<r2> 14.707
(<r2>)1/2 3.835