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

using model chemistry: B3PW91/aug-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 B3PW91/aug-cc-pVTZ
 hartrees
Energy at 0K-517.371078
Energy at 298.15K 
HF Energy-517.371078
Nuclear repulsion energy50.120337
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 B3PW91/aug-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 3492 3370 0.75      
2 A1 1988 1918 2615.76      
3 A1 1111 1072 107.78      
4 A1 207 199 56.85      
5 E 3620 3494 22.72      
5 E 3620 3494 22.72      
6 E 1654 1596 23.48      
6 E 1654 1596 23.48      
7 E 902 871 26.31      
7 E 902 871 26.31      
8 E 269 260 12.76      
8 E 269 260 12.76      

Unscaled Zero Point Vibrational Energy (zpe) 9843.2 cm-1
Scaled (by 0.9651) Zero Point Vibrational Energy (zpe) 9499.7 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 B3PW91/aug-cc-pVTZ
ABC
6.22181 0.15303 0.15303

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/aug-cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.849
Cl2 0.000 0.000 1.163
H3 0.000 0.947 -2.209
H4 0.820 -0.473 -2.209
H5 -0.820 -0.473 -2.209
H6 0.000 0.000 -0.198

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N13.01231.01261.01261.01261.6512
Cl23.01233.50223.50223.50221.3611
H31.01263.50221.63961.63962.2224
H41.01263.50221.63961.63962.2224
H51.01263.50221.63961.63962.2224
H61.65121.36112.22242.22242.2224

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 108.114
H3 N1 H5 108.114 H3 N1 H6 110.797
H4 N1 H5 108.114 H4 N1 H6 110.797
H5 N1 H6 110.797
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.093      
2 Cl -0.367      
3 H 0.071      
4 H 0.071      
5 H 0.071      
6 H 0.248      


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 -5.002 5.002
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.260 0.000 0.000
y 0.000 -20.260 0.000
z 0.000 0.000 -15.418
Traceless
 xyz
x -2.421 0.000 0.000
y 0.000 -2.421 0.000
z 0.000 0.000 4.843
Polar
3z2-r29.685
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 4.296 0.000 0.000
y 0.000 4.296 0.000
z 0.000 0.000 6.703


<r2> (average value of r2) Å2
<r2> 75.944
(<r2>)1/2 8.715