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

using model chemistry: G3B3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at G3B3
 hartrees
Energy at 0K-517.172652
Energy at 298.15K-517.167307
HF Energy-517.364772
Nuclear repulsion energy49.801020
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 B3LYP/6-31G*
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 3464 3326 4.90      
2 A1 1974 1895 2263.78      
3 A1 1183 1136 77.91      
4 A1 238 229 41.92      
5 E 3597 3454 13.53      
5 E 3597 3454 13.53      
6 E 1708 1640 26.27      
6 E 1708 1640 26.27      
7 E 911 875 83.74      
7 E 911 875 83.74      
8 E 285 273 17.87      
8 E 285 273 17.87      

Unscaled Zero Point Vibrational Energy (zpe) 9929.7 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 9535.5 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 B3LYP/6-31G*
ABC
6.18681 0.15090 0.15090

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.861
Cl2 0.000 0.000 1.171
H3 0.000 0.949 -2.230
H4 0.822 -0.475 -2.230
H5 -0.822 -0.475 -2.230
H6 0.000 0.000 -0.197

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N13.03231.01861.01861.01861.6640
Cl23.03233.53163.53163.53161.3683
H31.01863.53161.64431.64432.2439
H41.01863.53161.64431.64432.2439
H51.01863.53161.64431.64432.2439
H61.66401.36832.24392.24392.2439

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 107.616
H3 N1 H5 107.616 H3 N1 H6 111.269
H4 N1 H5 107.616 H4 N1 H6 111.269
H5 N1 H6 111.269
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.898      
2 Cl -0.369      
3 H 0.342      
4 H 0.342      
5 H 0.342      
6 H 0.241      


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 -5.689 5.689
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 76.586
(<r2>)1/2 8.751