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

using model chemistry: B3PW91/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/cc-pVTZ
 hartrees
Energy at 0K-517.368593
Energy at 298.15K 
HF Energy-517.368593
Nuclear repulsion energy50.015208
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/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 3494 3360 1.81      
2 A1 2045 1966 2459.85      
3 A1 1110 1067 101.51      
4 A1 209 201 49.37      
5 E 3624 3485 19.84      
5 E 3624 3485 19.84      
6 E 1658 1594 23.48      
6 E 1658 1594 23.48      
7 E 889 855 35.24      
7 E 889 855 35.24      
8 E 263 252 15.82      
8 E 263 252 15.82      

Unscaled Zero Point Vibrational Energy (zpe) 9861.4 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 9482.7 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/cc-pVTZ
ABC
6.22834 0.15194 0.15194

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.857
Cl2 0.000 0.000 1.167
H3 0.000 0.946 -2.217
H4 0.819 -0.473 -2.217
H5 -0.819 -0.473 -2.217
H6 0.000 0.000 -0.190

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N13.02341.01251.01251.01251.6666
Cl23.02343.51383.51383.51381.3568
H31.01253.51381.63881.63882.2371
H41.01253.51381.63881.63882.2371
H51.01253.51381.63881.63882.2371
H61.66661.35682.23712.23712.2371

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 108.046
H3 N1 H5 108.046 H3 N1 H6 110.862
H4 N1 H5 108.045 H4 N1 H6 110.862
H5 N1 H6 110.862
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.320      
2 Cl -0.359      
3 H 0.156      
4 H 0.156      
5 H 0.156      
6 H 0.210      


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 -5.126 5.126
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.999 0.000 0.000
y 0.000 -19.999 0.000
z 0.000 0.000 -15.040
Traceless
 xyz
x -2.479 0.000 0.000
y 0.000 -2.479 0.000
z 0.000 0.000 4.958
Polar
3z2-r29.917
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 3.114 0.000 0.000
y 0.000 3.114 0.000
z 0.000 0.000 5.553


<r2> (average value of r2) Å2
<r2> 76.202
(<r2>)1/2 8.729