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

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G**
 hartrees
Energy at 0K-517.126359
Energy at 298.15K 
HF Energy-517.126359
Nuclear repulsion energy50.336301
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 PBE1PBE/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 3511 3346 8.29      
2 A1 1902 1813 2578.12      
3 A1 1192 1136 81.10      
4 A1 252 240 55.23      
5 E 3654 3483 22.85      
5 E 3654 3483 22.85      
6 E 1711 1631 30.43      
6 E 1711 1631 30.43      
7 E 969 924 83.30      
7 E 969 924 83.30      
8 E 300 286 18.05      
8 E 300 286 18.05      

Unscaled Zero Point Vibrational Energy (zpe) 10062.8 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 9590.8 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 PBE1PBE/6-31G**
ABC
6.19849 0.15575 0.15575

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.830
Cl2 0.000 0.000 1.154
H3 0.000 0.948 -2.195
H4 0.821 -0.474 -2.195
H5 -0.821 -0.474 -2.195
H6 0.000 0.000 -0.220

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N12.98351.01631.01631.01631.6098
Cl22.98353.48043.48043.48041.3737
H31.01633.48041.64271.64272.1909
H41.01633.48041.64271.64272.1909
H51.01633.48041.64271.64272.1909
H61.60981.37372.19092.19092.1909

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 107.838
H3 N1 H5 107.838 H3 N1 H6 111.059
H4 N1 H5 107.838 H4 N1 H6 111.059
H5 N1 H6 111.059
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.958      
2 Cl -0.380      
3 H 0.364      
4 H 0.364      
5 H 0.364      
6 H 0.246      


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 -5.891 5.891
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.997 0.000 0.000
y 0.000 -19.997 0.000
z 0.000 0.000 -14.541
Traceless
 xyz
x -2.728 0.000 0.000
y 0.000 -2.728 0.000
z 0.000 0.000 5.457
Polar
3z2-r210.913
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 2.194 0.000 0.000
y 0.000 2.194 0.000
z 0.000 0.000 4.594


<r2> (average value of r2) Å2
<r2> 74.619
(<r2>)1/2 8.638