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

using model chemistry: mPW1PW91/daug-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 mPW1PW91/daug-cc-pVTZ
 hartrees
Energy at 0K-517.433275
Energy at 298.15K 
HF Energy-517.433275
Nuclear repulsion energy50.213616
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 mPW1PW91/daug-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 3515 3515 0.95      
2 A1 2003 2003 2614.16      
3 A1 1115 1115 115.26      
4 A1 206 206 57.55      
5 E 3644 3644 23.86      
5 E 3644 3644 23.86      
6 E 1662 1662 24.00      
6 E 1662 1662 23.99      
7 E 904 904 25.92      
7 E 904 904 25.91      
8 E 268 268 12.83      
8 E 268 268 12.82      

Unscaled Zero Point Vibrational Energy (zpe) 9896.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9896.1 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 mPW1PW91/daug-cc-pVTZ
ABC
6.23867 0.15361 0.15361

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/daug-cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.846
Cl2 0.000 0.000 1.161
H3 0.000 0.945 -2.204
H4 0.819 -0.473 -2.204
H5 -0.819 -0.473 -2.204
H6 0.000 0.000 -0.197

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N13.00671.01091.01091.01091.6486
Cl23.00673.49523.49523.49521.3581
H31.01093.49521.63741.63742.2183
H41.01093.49521.63741.63742.2183
H51.01093.49521.63741.63742.2183
H61.64861.35812.21832.21832.2183

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 108.163
H3 N1 H5 108.163 H3 N1 H6 110.749
H4 N1 H5 108.163 H4 N1 H6 110.749
H5 N1 H6 110.749
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.020      
2 Cl -0.919      
3 H 0.085      
4 H 0.085      
5 H 0.085      
6 H 0.682      


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 -4.981 4.981
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.256 0.000 0.000
y 0.000 -20.256 0.000
z 0.000 0.000 -15.442
Traceless
 xyz
x -2.407 0.000 0.000
y 0.000 -2.407 0.000
z 0.000 0.000 4.815
Polar
3z2-r29.629
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 4.358 0.000 0.000
y 0.000 4.358 -0.000
z 0.000 -0.000 6.655


<r2> (average value of r2) Å2
<r2> 75.703
(<r2>)1/2 8.701