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

using model chemistry: PBE1PBE/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-517.197603
Energy at 298.15K 
HF Energy-517.197603
Nuclear repulsion energy50.068105
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/Def2TZVPP
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 3514 3514 1.76      
2 A1 2082 2082 2431.77      
3 A1 1109 1109 114.49      
4 A1 203 203 48.56      
5 E 3645 3645 21.69      
5 E 3645 3645 21.69      
6 E 1658 1658 24.46      
6 E 1658 1658 24.46      
7 E 880 880 34.08      
7 E 880 880 34.08      
8 E 253 253 16.57      
8 E 253 253 16.57      

Unscaled Zero Point Vibrational Energy (zpe) 9891.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9891.6 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/Def2TZVPP
ABC
6.23927 0.15215 0.15215

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/Def2TZVPP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.855
Cl2 0.000 0.000 1.166
H3 0.000 0.945 -2.216
H4 0.819 -0.473 -2.216
H5 -0.819 -0.473 -2.216
H6 0.000 0.000 -0.184

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N13.02131.01191.01191.01191.6713
Cl23.02133.51183.51183.51181.3500
H31.01193.51181.63731.63732.2413
H41.01193.51181.63731.63732.2413
H51.01193.51181.63731.63732.2413
H61.67131.35002.24132.24132.2413

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 108.009
H3 N1 H5 108.009 H3 N1 H6 110.897
H4 N1 H5 108.009 H4 N1 H6 110.897
H5 N1 H6 110.897
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.430      
2 Cl -0.362      
3 H 0.183      
4 H 0.183      
5 H 0.183      
6 H 0.243      


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 -5.010 5.010
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.024 0.000 0.000
y 0.000 -20.024 0.000
z 0.000 0.000 -15.154
Traceless
 xyz
x -2.435 0.000 0.000
y 0.000 -2.435 0.000
z 0.000 0.000 4.870
Polar
3z2-r29.740
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 3.177 0.000 0.000
y 0.000 3.177 0.000
z 0.000 0.000 5.595


<r2> (average value of r2) Å2
<r2> 76.149
(<r2>)1/2 8.726