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

using model chemistry: B3LYP/CEP-121G

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-121G
 hartrees
Energy at 0K-27.236902
Energy at 298.15K 
HF Energy-27.236902
Nuclear repulsion energy23.710747
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-121G
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 3421 3333 3.98      
2 A1 1272 1239 216.26      
3 A1 996 970 3921.95      
4 A1 443 432 0.30      
5 E 3585 3493 27.52      
5 E 3585 3493 27.50      
6 E 1706 1663 41.02      
6 E 1706 1663 41.01      
7 E 1392 1356 80.10      
7 E 1392 1356 80.09      
8 E 342 333 5.83      
8 E 341 333 5.83      

Unscaled Zero Point Vibrational Energy (zpe) 10089.5 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 9832.2 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-121G
ABC
5.92055 0.16723 0.16723

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.760
Cl2 0.000 0.000 1.120
H3 0.000 0.970 -2.077
H4 0.840 -0.485 -2.077
H5 -0.840 -0.485 -2.077
H6 0.000 0.000 -0.483

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N12.88001.02091.02091.02091.2770
Cl22.88003.34093.34093.34091.6030
H31.02093.34091.68081.68081.8661
H41.02093.34091.68081.68081.8661
H51.02093.34091.68081.68081.8661
H61.27701.60301.86611.86611.8661

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 110.821
H3 N1 H5 110.821 H3 N1 H6 108.085
H4 N1 H5 110.821 H4 N1 H6 108.085
H5 N1 H6 108.085
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.749      
2 Cl -0.488      
3 H 0.353      
4 H 0.353      
5 H 0.353      
6 H 0.178      


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 -8.358 8.358
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.569 0.000 0.000
y 0.000 -19.569 0.000
z 0.000 0.000 -14.720
Traceless
 xyz
x -2.424 0.000 0.000
y 0.000 -2.424 0.000
z 0.000 0.000 4.849
Polar
3z2-r29.697
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 2.059 0.000 0.000
y 0.000 2.059 0.000
z 0.000 0.000 5.473


<r2> (average value of r2) Å2
<r2> 51.483
(<r2>)1/2 7.175