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

using model chemistry: PBE1PBE/6-311G*

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/6-311G*
 hartrees
Energy at 0K-517.173176
Energy at 298.15K 
HF Energy-517.173176
Nuclear repulsion energy50.544879
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/6-311G*
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 3528 3381 5.24      
2 A1 1698 1627 2938.48      
3 A1 1187 1138 64.69      
4 A1 243 233 86.84      
5 E 3658 3506 18.55      
5 E 3658 3506 18.55      
6 E 1730 1658 37.71      
6 E 1730 1658 37.71      
7 E 1022 979 67.96      
7 E 1022 979 67.97      
8 E 310 297 15.88      
8 E 310 297 15.88      

Unscaled Zero Point Vibrational Energy (zpe) 10047.2 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 9630.2 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/6-311G*
ABC
6.20560 0.15779 0.15779

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.818
Cl2 0.000 0.000 1.147
H3 0.000 0.948 -2.175
H4 0.821 -0.474 -2.175
H5 -0.821 -0.474 -2.175
H6 0.000 0.000 -0.246

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N12.96481.01281.01281.01281.5716
Cl22.96483.45423.45423.45421.3932
H31.01283.45421.64181.64182.1487
H41.01283.45421.64181.64182.1487
H51.01283.45421.64181.64182.1487
H61.57161.39322.14872.14872.1487

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 108.292
H3 N1 H5 108.292 H3 N1 H6 110.626
H4 N1 H5 108.292 H4 N1 H6 110.626
H5 N1 H6 110.626
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -1.006      
2 Cl -0.463      
3 H 0.381      
4 H 0.381      
5 H 0.381      
6 H 0.327      


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 -6.097 6.097
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.556 0.000 0.000
y 0.000 -20.556 0.000
z 0.000 0.000 -15.383
Traceless
 xyz
x -2.586 0.000 0.000
y 0.000 -2.586 0.000
z 0.000 0.000 5.172
Polar
3z2-r210.345
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 2.347 0.000 0.000
y 0.000 2.347 0.000
z 0.000 0.000 5.103


<r2> (average value of r2) Å2
<r2> 74.201
(<r2>)1/2 8.614