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

using model chemistry: PBE1PBE/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-63.389484
Energy at 298.15K 
HF Energy-63.389484
Nuclear repulsion energy15.243342
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/6-31+G**
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 3552 3393 1.58 164.14 0.06 0.12
2 A1 1570 1500 38.73 12.56 0.04 0.07
3 A1 821 784 129.33 32.47 0.09 0.16
4 B1 422 403 165.45 131.05 0.75 0.86
5 B2 3636 3474 0.30 98.24 0.75 0.86
6 B2 434 415 154.86 0.47 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5217.6 cm-1
Scaled (by 0.9553) Zero Point Vibrational Energy (zpe) 4984.4 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 PBE1PBE/6-31+G**
ABC
12.91449 0.99359 0.92261

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -1.415
N2 0.000 0.000 0.334
H3 0.000 0.805 0.954
H4 0.000 -0.805 0.954

Atom - Atom Distances (Å)
  Li1 N2 H3 H4
Li11.74912.50222.5022
N21.74911.01591.0159
H32.50221.01591.6095
H42.50221.01591.6095

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 104.769
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.406      
2 N -0.931      
3 H 0.263      
4 H 0.263      


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 -4.781 4.781
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.689 0.000 0.000
y 0.000 -8.796 0.000
z 0.000 0.000 0.256
Traceless
 xyz
x -9.420 0.000 0.000
y 0.000 -2.080 0.000
z 0.000 0.000 11.499
Polar
3z2-r222.998
x2-y2-4.893
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.808 0.000 0.000
y 0.000 2.228 0.000
z 0.000 0.000 3.847


<r2> (average value of r2) Å2
<r2> 14.533
(<r2>)1/2 3.812