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

using model chemistry: B3PW91/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/6-311G**
 hartrees
Energy at 0K-63.466292
Energy at 298.15K 
HF Energy-63.466292
Nuclear repulsion energy15.341226
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 B3PW91/6-311G**
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 3509 3379 4.15 180.73 0.15 0.27
2 A1 1554 1497 23.73 26.67 0.35 0.52
3 A1 841 810 83.68 108.88 0.10 0.19
4 B1 416 401 112.38 137.87 0.75 0.86
5 B2 3579 3447 5.14 145.21 0.75 0.86
6 B2 383 369 128.77 0.44 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5140.6 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 4950.9 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 B3PW91/6-311G**
ABC
12.99439 1.01759 0.94369

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -1.398
N2 0.000 0.000 0.328
H3 0.000 0.802 0.951
H4 0.000 -0.802 0.951

Atom - Atom Distances (Å)
  Li1 N2 H3 H4
Li11.72582.48212.4821
N21.72581.01581.0158
H32.48211.01581.6045
H42.48211.01581.6045

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 127.837 Li1 N2 H4 127.837
H3 N2 H4 104.326
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.429      
2 N -0.762      
3 H 0.167      
4 H 0.167      


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 -4.159 4.159
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.204 0.000 0.000
y 0.000 -8.694 0.000
z 0.000 0.000 -0.570
Traceless
 xyz
x -8.573 0.000 0.000
y 0.000 -1.806 0.000
z 0.000 0.000 10.379
Polar
3z2-r220.758
x2-y2-4.511
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.405 0.000 0.000
y 0.000 2.262 0.000
z 0.000 0.000 4.100


<r2> (average value of r2) Å2
<r2> 14.389
(<r2>)1/2 3.793