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

using model chemistry: PBE1PBE/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at PBE1PBE/6-31G(2df,p)
 hartrees
Energy at 0K-517.145026
Energy at 298.15K 
HF Energy-517.145026
Nuclear repulsion energy50.456604
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 PBE1PBE/6-31G(2df,p)
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 3521 3369 5.74      
2 A1 1972 1887 2771.23      
3 A1 1136 1087 80.96      
4 A1 231 221 61.59      
5 E 3659 3501 25.62      
5 E 3659 3501 25.62      
6 E 1664 1592 24.11      
6 E 1664 1592 24.11      
7 E 944 903 50.51      
7 E 944 903 50.51      
8 E 272 261 14.02      
8 E 272 261 14.02      

Unscaled Zero Point Vibrational Energy (zpe) 9968.5 cm-1
Scaled (by 0.957) Zero Point Vibrational Energy (zpe) 9539.8 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 PBE1PBE/6-31G(2df,p)
ABC
6.22986 0.15635 0.15635

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G(2df,p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.827
Cl2 0.000 0.000 1.151
H3 0.000 0.946 -2.191
H4 0.819 -0.473 -2.191
H5 -0.819 -0.473 -2.191
H6 0.000 0.000 -0.214

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N12.97781.01381.01381.01381.6124
Cl22.97783.47363.47363.47361.3654
H31.01383.47361.63861.63862.1916
H41.01383.47361.63861.63862.1916
H51.01383.47361.63861.63862.1916
H61.61241.36542.19162.19162.1916

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 107.825
H3 N1 H5 107.825 H3 N1 H6 111.071
H4 N1 H5 107.825 H4 N1 H6 111.071
H5 N1 H6 111.071
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.763      
2 Cl -0.471      
3 H 0.294      
4 H 0.294      
5 H 0.294      
6 H 0.352      


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 -5.501 5.501
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.896 0.000 0.000
y 0.000 -19.896 0.000
z 0.000 0.000 -14.474
Traceless
 xyz
x -2.711 0.000 0.000
y 0.000 -2.711 0.000
z 0.000 0.000 5.422
Polar
3z2-r210.844
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 2.899 0.000 0.000
y 0.000 2.899 0.000
z 0.000 0.000 5.037


<r2> (average value of r2) Å2
<r2> 74.318
(<r2>)1/2 8.621