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

using model chemistry: B2PLYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP/STO-3G
 hartrees
Energy at 0K-62.506343
Energy at 298.15K 
HF Energy-62.477836
Nuclear repulsion energy15.409645
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 B2PLYP/STO-3G
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 3608 3608 20.26 200.81 0.01 0.02
2 A1 1827 1827 2.03 25.04 0.75 0.86
3 A1 1026 1026 23.07 78.53 0.08 0.14
4 B1 681 681 18.49 31.90 0.75 0.86
5 B2 3753 3753 6.88 87.21 0.75 0.86
6 B2 398 398 194.85 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5646.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5646.7 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 B2PLYP/STO-3G
ABC
12.61675 1.09077 1.00397

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -1.349
N2 0.000 0.000 0.303
H3 0.000 0.814 0.964
H4 0.000 -0.814 0.964

Atom - Atom Distances (Å)
  Li1 N2 H3 H4
Li11.65152.45242.4524
N21.65151.04921.0492
H32.45241.04921.6283
H42.45241.04921.6283

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 129.104 Li1 N2 H4 129.104
H3 N2 H4 101.791
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.104      
2 N -0.385      
3 H 0.140      
4 H 0.140      


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 -1.360 1.360
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.671 0.000 0.000
y 0.000 -8.380 0.000
z 0.000 0.000 -2.466
Traceless
 xyz
x -7.248 0.000 0.000
y 0.000 -0.811 0.000
z 0.000 0.000 8.060
Polar
3z2-r216.119
x2-y2-4.292
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.792 0.000 0.000
y 0.000 1.452 0.000
z 0.000 0.000 3.500


<r2> (average value of r2) Å2
<r2> 14.175
(<r2>)1/2 3.765