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

using model chemistry: mPW1PW91/6-31+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 mPW1PW91/6-31+G**
 hartrees
Energy at 0K-63.457327
Energy at 298.15K 
HF Energy-63.457327
Nuclear repulsion energy15.245942
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 mPW1PW91/6-31+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 3555 3384 1.92 159.70 0.07 0.13
2 A1 1576 1500 38.37 12.15 0.05 0.10
3 A1 818 779 130.08 30.48 0.09 0.16
4 B1 423 403 167.60 129.36 0.75 0.86
5 B2 3638 3463 0.47 99.57 0.75 0.86
6 B2 437 416 155.33 0.47 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5223.3 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 4971.5 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 mPW1PW91/6-31+G**
ABC
12.93503 0.99268 0.92192

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -1.416
N2 0.000 0.000 0.334
H3 0.000 0.804 0.954
H4 0.000 -0.804 0.954

Atom - Atom Distances (Å)
  Li1 N2 H3 H4
Li11.75022.50242.5024
N21.75021.01511.0151
H32.50241.01511.6082
H42.50241.01511.6082

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 127.612 Li1 N2 H4 127.612
H3 N2 H4 104.776
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.408      
2 N -0.933      
3 H 0.262      
4 H 0.262      


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 -4.804 4.804
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.630 0.000 0.000
y 0.000 -8.766 0.000
z 0.000 0.000 0.310
Traceless
 xyz
x -9.402 0.000 0.000
y 0.000 -2.106 0.000
z 0.000 0.000 11.508
Polar
3z2-r223.016
x2-y2-4.864
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.753 0.000 0.000
y 0.000 2.217 0.000
z 0.000 0.000 3.802


<r2> (average value of r2) Å2
<r2> 14.507
(<r2>)1/2 3.809