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

using model chemistry: HSEh1PBE/3-21G

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/3-21G
 hartrees
Energy at 0K-514.653820
Energy at 298.15K 
HF Energy-514.653820
Nuclear repulsion energy50.997819
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/3-21G
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 3417 3292 17.51      
2 A1 1305 1258 1087.35      
3 A1 1244 1198 2620.48      
4 A1 434 418 35.42      
5 E 3555 3425 60.71      
5 E 3555 3425 60.70      
6 E 1729 1666 30.19      
6 E 1729 1666 30.19      
7 E 1454 1400 120.52      
7 E 1454 1400 120.51      
8 E 362 349 6.43      
8 E 362 349 6.43      

Unscaled Zero Point Vibrational Energy (zpe) 10300.5 cm-1
Scaled (by 0.9633) Zero Point Vibrational Energy (zpe) 9922.5 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/3-21G
ABC
5.86763 0.16653 0.16653

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.763
Cl2 0.000 0.000 1.123
H3 0.000 0.975 -2.079
H4 0.844 -0.487 -2.079
H5 -0.844 -0.487 -2.079
H6 0.000 0.000 -0.505

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N12.88581.02481.02481.02481.2585
Cl22.88583.34713.34713.34711.6273
H31.02483.34711.68841.68841.8520
H41.02483.34711.68841.68841.8520
H51.02483.34711.68841.68841.8520
H61.25851.62731.85201.85201.8520

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 110.928
H3 N1 H5 110.928 H3 N1 H6 107.972
H4 N1 H5 110.928 H4 N1 H6 107.972
H5 N1 H6 107.972
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.811      
2 Cl -0.588      
3 H 0.371      
4 H 0.371      
5 H 0.371      
6 H 0.286      


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 -9.032 9.032
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.918 0.000 0.000
y 0.000 -19.918 0.000
z 0.000 0.000 -14.084
Traceless
 xyz
x -2.917 0.000 0.000
y 0.000 -2.917 0.000
z 0.000 0.000 5.834
Polar
3z2-r211.668
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 1.492 0.000 0.000
y 0.000 1.491 0.000
z 0.000 0.000 4.151


<r2> (average value of r2) Å2
<r2> 70.488
(<r2>)1/2 8.396