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

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-31G(2df,p)
 hartrees
Energy at 0K-517.167162
Energy at 298.15K 
HF Energy-517.167162
Nuclear repulsion energy50.366137
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 HSEh1PBE/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 3519 3370 5.48      
2 A1 1992 1907 2695.73      
3 A1 1133 1085 82.52      
4 A1 230 220 57.19      
5 E 3657 3502 24.61      
5 E 3657 3502 24.60      
6 E 1664 1594 23.80      
6 E 1664 1594 23.80      
7 E 931 892 50.59      
7 E 931 892 50.59      
8 E 269 257 14.13      
8 E 269 257 14.13      

Unscaled Zero Point Vibrational Energy (zpe) 9957.5 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 9536.3 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 HSEh1PBE/6-31G(2df,p)
ABC
6.23178 0.15543 0.15543

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G(2df,p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.833
Cl2 0.000 0.000 1.155
H3 0.000 0.946 -2.197
H4 0.819 -0.473 -2.197
H5 -0.819 -0.473 -2.197
H6 0.000 0.000 -0.208

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N12.98711.01361.01361.01361.6241
Cl22.98713.48233.48233.48231.3630
H31.01363.48231.63831.63832.2019
H41.01363.48231.63831.63832.2019
H51.01363.48231.63831.63832.2019
H61.62411.36302.20192.20192.2019

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 107.833
H3 N1 H5 107.833 H3 N1 H6 111.064
H4 N1 H5 107.833 H4 N1 H6 111.064
H5 N1 H6 111.064
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.759      
2 Cl -0.467      
3 H 0.293      
4 H 0.293      
5 H 0.293      
6 H 0.348      


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 -5.452 5.452
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.897 0.000 0.000
y 0.000 -19.897 0.000
z 0.000 0.000 -14.476
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-r210.843
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 5.036


<r2> (average value of r2) Å2
<r2> 74.672
(<r2>)1/2 8.641