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

using model chemistry: mPW1PW91/TZVP

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/TZVP
 hartrees
Energy at 0K-63.472245
Energy at 298.15K 
HF Energy-63.472245
Nuclear repulsion energy15.312342
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/TZVP
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 3537 3374 3.10 163.14 0.11 0.20
2 A1 1569 1497 32.47 4.05 0.53 0.69
3 A1 830 792 132.39 11.46 0.10 0.19
4 B1 438 417 176.79 49.74 0.75 0.86
5 B2 3609 3443 4.67 110.89 0.75 0.86
6 B2 425 405 158.08 0.71 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5203.6 cm-1
Scaled (by 0.954) Zero Point Vibrational Energy (zpe) 4964.2 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 mPW1PW91/TZVP
ABC
13.06693 1.00428 0.93260

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -1.408
N2 0.000 0.000 0.331
H3 0.000 0.800 0.952
H4 0.000 -0.800 0.952

Atom - Atom Distances (Å)
  Li1 N2 H3 H4
Li11.73882.49152.4915
N21.73881.01261.0126
H32.49151.01261.6001
H42.49151.01261.6001

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 127.808 Li1 N2 H4 127.808
H3 N2 H4 104.385
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.610      
2 N -0.975      
3 H 0.182      
4 H 0.182      


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 -4.751 4.751
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.384 0.000 0.000
y 0.000 -8.452 0.000
z 0.000 0.000 0.300
Traceless
 xyz
x -8.307 0.000 0.000
y 0.000 -2.410 0.000
z 0.000 0.000 10.718
Polar
3z2-r221.435
x2-y2-3.931
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.857 0.000 0.000
y 0.000 2.078 0.000
z 0.000 0.000 3.254


<r2> (average value of r2) Å2
<r2> 14.080
(<r2>)1/2 3.752