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All results from a given calculation for NH4Cl (Ammonium chloride)

using model chemistry: wB97X-D/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at wB97X-D/CEP-121G
 hartrees
Energy at 0K-27.238118
Energy at 298.15K 
HF Energy-27.238118
Nuclear repulsion energy23.836713
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 wB97X-D/CEP-121G
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 3468 3468 7.83      
2 A1 1318 1318 277.68      
3 A1 1225 1225 4419.41      
4 A1 473 473 3.48      
5 E 3643 3643 37.48      
5 E 3643 3643 37.49      
6 E 1718 1718 40.16      
6 E 1718 1718 40.22      
7 E 1479 1479 89.43      
7 E 1479 1479 89.39      
8 E 373 373 7.17      
8 E 373 373 7.17      

Unscaled Zero Point Vibrational Energy (zpe) 10454.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10454.8 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 wB97X-D/CEP-121G
ABC
5.94993 0.16898 0.16898

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/CEP-121G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.750
Cl2 0.000 0.000 1.115
H3 0.000 0.968 -2.064
H4 0.838 -0.484 -2.064
H5 -0.838 -0.484 -2.064
H6 0.000 0.000 -0.511

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N12.86441.01791.01791.01791.2383
Cl22.86443.32333.32333.32331.6261
H31.01793.32331.67671.67671.8301
H41.01793.32331.67671.67671.8301
H51.01793.32331.67671.67671.8301
H61.23831.62611.83011.83011.8301

picture of Ammonium chloride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 H6 Cl2 180.000 H3 N1 H4 110.886
H3 N1 H5 110.886 H3 N1 H6 108.017
H4 N1 H5 110.886 H4 N1 H6 108.017
H5 N1 H6 108.017
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.780      
2 Cl -0.525      
3 H 0.369      
4 H 0.369      
5 H 0.369      
6 H 0.197      


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 -8.860 8.860
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.449 0.000 0.000
y 0.000 -19.449 0.000
z 0.000 0.000 -14.371
Traceless
 xyz
x -2.539 0.000 0.000
y 0.000 -2.539 0.000
z 0.000 0.000 5.078
Polar
3z2-r210.155
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.967 0.000 0.000
y 0.000 1.968 0.000
z 0.000 0.000 5.161


<r2> (average value of r2) Å2
<r2> 50.953
(<r2>)1/2 7.138