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

using model chemistry: HSEh1PBE/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-517.225338
Energy at 298.15K 
HF Energy-517.225338
Nuclear repulsion energy50.120548
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/cc-pVTZ
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 3510 3373 1.97      
2 A1 2047 1967 2474.47      
3 A1 1114 1071 104.94      
4 A1 214 205 49.44      
5 E 3641 3499 21.23      
5 E 3641 3499 21.22      
6 E 1661 1596 24.07      
6 E 1661 1596 24.07      
7 E 892 857 35.46      
7 E 892 857 35.46      
8 E 258 248 15.67      
8 E 258 248 15.67      

Unscaled Zero Point Vibrational Energy (zpe) 9894.0 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 9509.1 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/cc-pVTZ
ABC
6.23876 0.15277 0.15277

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.851
Cl2 0.000 0.000 1.164
H3 0.000 0.945 -2.212
H4 0.819 -0.473 -2.212
H5 -0.819 -0.473 -2.212
H6 0.000 0.000 -0.192

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N13.01491.01171.01171.01171.6594
Cl23.01493.50523.50523.50521.3555
H31.01173.50521.63741.63742.2301
H41.01173.50521.63741.63742.2301
H51.01173.50521.63741.63742.2301
H61.65941.35552.23012.23012.2301

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 108.039
H3 N1 H5 108.039 H3 N1 H6 110.868
H4 N1 H5 108.039 H4 N1 H6 110.868
H5 N1 H6 110.868
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.340      
2 Cl -0.361      
3 H 0.163      
4 H 0.163      
5 H 0.163      
6 H 0.212      


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 -5.130 5.130
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.042 0.000 0.000
y 0.000 -20.042 0.000
z 0.000 0.000 -15.090
Traceless
 xyz
x -2.476 0.000 0.000
y 0.000 -2.476 0.000
z 0.000 0.000 4.952
Polar
3z2-r29.905
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 3.111 0.000 0.000
y 0.000 3.111 0.000
z 0.000 0.000 5.526


<r2> (average value of r2) Å2
<r2> 75.889
(<r2>)1/2 8.711