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

using model chemistry: mPW1PW91/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-63.452047
Energy at 298.15K 
HF Energy-63.452047
Nuclear repulsion energy15.241487
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/cc-pVDZ
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 3514 3367 2.70 190.39 0.08 0.15
2 A1 1554 1489 15.59 12.48 0.62 0.77
3 A1 854 818 68.91 82.44 0.10 0.18
4 B1 367 351 91.39 126.15 0.75 0.86
5 B2 3584 3435 1.70 154.44 0.75 0.86
6 B2 382 366 110.34 0.31 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5126.9 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 4913.1 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/cc-pVDZ
ABC
12.93531 1.00106 0.92915

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -1.410
N2 0.000 0.000 0.330
H3 0.000 0.804 0.959
H4 0.000 -0.804 0.959

Atom - Atom Distances (Å)
  Li1 N2 H3 H4
Li11.73972.50182.5018
N21.73971.02111.0211
H32.50181.02111.6082
H42.50181.02111.6082

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 128.047 Li1 N2 H4 128.047
H3 N2 H4 103.905
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.308      
2 N -0.438      
3 H 0.065      
4 H 0.065      


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 -4.282 4.282
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.339 0.000 0.000
y 0.000 -8.905 0.000
z 0.000 0.000 -0.202
Traceless
 xyz
x -8.785 0.000 0.000
y 0.000 -2.135 0.000
z 0.000 0.000 10.920
Polar
3z2-r221.840
x2-y2-4.434
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.270 0.000 0.000
y 0.000 2.511 0.000
z 0.000 0.000 3.911


<r2> (average value of r2) Å2
<r2> 14.531
(<r2>)1/2 3.812