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

using model chemistry: HSEh1PBE/TZVP

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/TZVP
 hartrees
Energy at 0K-517.212599
Energy at 298.15K 
HF Energy-517.212599
Nuclear repulsion energy50.119346
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/TZVP
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 3509 3369 2.65      
2 A1 2019 1938 2535.35      
3 A1 1125 1080 133.29      
4 A1 217 209 52.15      
5 E 3642 3496 22.50      
5 E 3642 3496 22.49      
6 E 1664 1598 30.09      
6 E 1664 1598 30.09      
7 E 913 876 56.87      
7 E 913 876 56.87      
8 E 268 257 16.75      
8 E 268 257 16.76      

Unscaled Zero Point Vibrational Energy (zpe) 9921.1 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 9525.3 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 HSEh1PBE/TZVP
ABC
6.21178 0.15309 0.15309

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/TZVP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.849
Cl2 0.000 0.000 1.163
H3 0.000 0.947 -2.207
H4 0.820 -0.474 -2.207
H5 -0.820 -0.474 -2.207
H6 0.000 0.000 -0.200

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N13.01191.01291.01291.01291.6495
Cl23.01193.50083.50083.50081.3624
H31.01293.50081.64101.64102.2200
H41.01293.50081.64101.64102.2200
H51.01293.50081.64101.64102.2200
H61.64951.36242.22002.22002.2200

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 108.202
H3 N1 H5 108.202 H3 N1 H6 110.713
H4 N1 H5 108.202 H4 N1 H6 110.713
H5 N1 H6 110.713
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.622      
2 Cl -0.359      
3 H 0.242      
4 H 0.242      
5 H 0.242      
6 H 0.256      


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 -5.408 5.408
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.086 0.000 0.000
y 0.000 -20.086 0.000
z 0.000 0.000 -15.341
Traceless
 xyz
x -2.373 0.000 0.000
y 0.000 -2.373 0.000
z 0.000 0.000 4.745
Polar
3z2-r29.491
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 2.550 0.000 0.000
y 0.000 2.550 0.000
z 0.000 0.000 5.155


<r2> (average value of r2) Å2
<r2> 75.828
(<r2>)1/2 8.708