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

using model chemistry: B2PLYP/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B2PLYP/6-31G**
 hartrees
Energy at 0K-517.145573
Energy at 298.15K 
HF Energy-517.037610
Nuclear repulsion energy49.717580
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/6-31G**
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 3519 3.58      
2 A1 2212 2212 2071.46      
3 A1 1167 1167 105.38      
4 A1 217 217 34.65      
5 E 3660 3660 13.27      
5 E 3660 3660 13.27      
6 E 1699 1699 23.62      
6 E 1699 1699 23.62      
7 E 875 875 78.40      
7 E 875 875 78.40      
8 E 275 275 19.91      
8 E 275 275 19.91      

Unscaled Zero Point Vibrational Energy (zpe) 10065.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10065.4 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/6-31G**
ABC
6.25136 0.14895 0.14895

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.875
Cl2 0.000 0.000 1.178
H3 0.000 0.944 -2.246
H4 0.818 -0.472 -2.246
H5 -0.818 -0.472 -2.246
H6 0.000 0.000 -0.163

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N13.05301.01451.01451.01451.7125
Cl23.05303.55143.55143.55141.3406
H31.01453.55141.63581.63582.2871
H41.01453.55141.63581.63582.2871
H51.01453.55141.63581.63582.2871
H61.71251.34062.28712.28712.2871

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 107.453
H3 N1 H5 107.453 H3 N1 H6 111.421
H4 N1 H5 107.453 H4 N1 H6 111.421
H5 N1 H6 111.421
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.742      
2 Cl -0.319      
3 H 0.283      
4 H 0.283      
5 H 0.283      
6 H 0.211      


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 -5.344 5.344
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.034 0.000 0.000
y 0.000 -20.034 0.000
z 0.000 0.000 -14.567
Traceless
 xyz
x -2.733 0.000 0.000
y 0.000 -2.733 0.000
z 0.000 0.000 5.466
Polar
3z2-r210.933
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 2.255 0.000 0.000
y 0.000 2.255 0.000
z 0.000 0.000 4.423


<r2> (average value of r2) Å2
<r2> 77.406
(<r2>)1/2 8.798