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

using model chemistry: HSEh1PBE/3-21G*

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/3-21G*
 hartrees
Energy at 0K-514.761767
Energy at 298.15K 
HF Energy-514.761767
Nuclear repulsion energy51.418578
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/3-21G*
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 3429 3292 12.00      
2 A1 1217 1168 2670.37      
3 A1 1197 1149 921.68      
4 A1 410 394 51.66      
5 E 3576 3433 38.63      
5 E 3576 3433 38.62      
6 E 1730 1661 34.65      
6 E 1730 1661 34.66      
7 E 1309 1256 93.38      
7 E 1309 1256 93.38      
8 E 363 349 11.14      
8 E 363 349 11.14      

Unscaled Zero Point Vibrational Energy (zpe) 10104.2 cm-1
Scaled (by 0.9599) Zero Point Vibrational Energy (zpe) 9699.0 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/3-21G*
ABC
5.88082 0.16872 0.16872

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.758
Cl2 0.000 0.000 1.111
H3 0.000 0.974 -2.072
H4 0.843 -0.487 -2.072
H5 -0.843 -0.487 -2.072
H6 0.000 0.000 -0.366

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N12.86931.02291.02291.02291.3920
Cl22.86933.32853.32853.32851.4774
H31.02293.32851.68651.68651.9639
H41.02293.32851.68651.68651.9639
H51.02293.32851.68651.68651.9639
H61.39201.47741.96391.96391.9639

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 111.044
H3 N1 H5 111.044 H3 N1 H6 107.849
H4 N1 H5 111.044 H4 N1 H6 107.849
H5 N1 H6 107.849
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.813      
2 Cl -0.530      
3 H 0.351      
4 H 0.351      
5 H 0.351      
6 H 0.291      


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 -7.434 7.434
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.797 0.000 0.000
y 0.000 -19.797 0.000
z 0.000 0.000 -14.218
Traceless
 xyz
x -2.790 0.000 0.000
y 0.000 -2.790 0.000
z 0.000 0.000 5.580
Polar
3z2-r211.159
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 1.926 0.000 0.000
y 0.000 1.926 0.000
z 0.000 0.000 4.165


<r2> (average value of r2) Å2
<r2> 69.685
(<r2>)1/2 8.348