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

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-31G
 hartrees
Energy at 0K-517.127437
Energy at 298.15K 
HF Energy-517.127437
Nuclear repulsion energy51.410404
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/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 3497 3345 16.81      
2 A1 1310 1253 224.26      
3 A1 1046 1000 3857.96      
4 A1 448 429 6.13      
5 E 3660 3501 57.81      
5 E 3660 3501 57.80      
6 E 1724 1649 47.76      
6 E 1724 1649 47.77      
7 E 1448 1385 101.47      
7 E 1448 1385 101.46      
8 E 383 366 8.04      
8 E 383 366 8.04      

Unscaled Zero Point Vibrational Energy (zpe) 10364.9 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 9915.1 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/6-31G
ABC
5.95476 0.16916 0.16916

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.751
Cl2 0.000 0.000 1.113
H3 0.000 0.968 -2.062
H4 0.838 -0.484 -2.062
H5 -0.838 -0.484 -2.062
H6 0.000 0.000 -0.486

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N12.86401.01641.01641.01641.2647
Cl22.86403.31933.31933.31931.5993
H31.01643.31931.67601.67601.8492
H41.01643.31931.67601.67601.8492
H51.01643.31931.67601.67601.8492
H61.26471.59931.84921.84921.8492

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 111.067
H3 N1 H5 111.067 H3 N1 H6 107.824
H4 N1 H5 111.067 H4 N1 H6 107.824
H5 N1 H6 107.824
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.874      
2 Cl -0.502      
3 H 0.385      
4 H 0.385      
5 H 0.385      
6 H 0.222      


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 -8.615 8.615
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.014 0.000 0.000
y 0.000 -20.014 0.000
z 0.000 0.000 -14.731
Traceless
 xyz
x -2.642 0.000 0.000
y 0.000 -2.642 0.000
z 0.000 0.000 5.283
Polar
3z2-r210.567
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 1.704 0.000 0.000
y 0.000 1.703 0.000
z 0.000 0.000 4.534


<r2> (average value of r2) Å2
<r2> 69.726
(<r2>)1/2 8.350