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

using model chemistry: B3LYP/CEP-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 B3LYP/CEP-31G*
 hartrees
Energy at 0K-27.251183
Energy at 298.15K 
HF Energy-27.251183
Nuclear repulsion energy23.030874
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 B3LYP/CEP-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 3465 3346 5.20      
2 A1 1865 1801 2579.36      
3 A1 1189 1149 86.74      
4 A1 230 222 55.95      
5 E 3602 3478 13.02      
5 E 3602 3478 13.00      
6 E 1685 1627 26.48      
6 E 1685 1627 26.47      
7 E 968 934 80.59      
7 E 968 934 80.59      
8 E 293 283 20.06      
8 E 293 283 20.06      

Unscaled Zero Point Vibrational Energy (zpe) 9922.7 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 9582.3 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 B3LYP/CEP-31G*
ABC
6.11189 0.15290 0.15290

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.846
Cl2 0.000 0.000 1.165
H3 0.000 0.955 -2.219
H4 0.827 -0.478 -2.219
H5 -0.827 -0.478 -2.219
H6 0.000 0.000 -0.222

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N13.01021.02561.02561.02561.6238
Cl23.01023.51613.51613.51611.3863
H31.02563.51611.65431.65432.2141
H41.02563.51611.65431.65432.2141
H51.02563.51611.65431.65432.2141
H61.62381.38632.21412.21412.2141

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 107.510
H3 N1 H5 107.510 H3 N1 H6 111.368
H4 N1 H5 107.510 H4 N1 H6 111.368
H5 N1 H6 111.368
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.815      
2 Cl -0.389      
3 H 0.312      
4 H 0.312      
5 H 0.312      
6 H 0.269      


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 -5.673 5.673
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.477 0.000 0.000
y 0.000 -19.477 0.000
z 0.000 0.000 -14.069
Traceless
 xyz
x -2.704 0.000 0.000
y 0.000 -2.704 0.000
z 0.000 0.000 5.408
Polar
3z2-r210.815
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 2.096 0.000 0.000
y 0.000 2.096 0.000
z 0.000 0.000 4.887


<r2> (average value of r2) Å2
<r2> 55.125
(<r2>)1/2 7.425