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

using model chemistry: HF/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at HF/6-31G**
 hartrees
Energy at 0K-516.275399
Energy at 298.15K 
HF Energy-516.275399
Nuclear repulsion energy48.378711
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 HF/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 3705 3344 3.95 106.93 0.04 0.07
2 A1 2759 2490 1079.22 364.32 0.37 0.54
3 A1 1217 1099 202.86 1.13 0.02 0.04
4 A1 179 162 10.42 0.47 0.41 0.59
5 E 3842 3468 11.31 58.81 0.75 0.86
5 E 3842 3468 11.31 58.81 0.75 0.86
6 E 1805 1629 27.63 9.94 0.75 0.86
6 E 1805 1629 27.63 9.94 0.75 0.86
7 E 702 634 98.87 1.60 0.75 0.86
7 E 702 634 98.87 1.60 0.75 0.86
8 E 244 221 21.56 5.25 0.75 0.86
8 E 244 221 21.56 5.25 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10523.5 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 9498.5 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 HF/6-31G**
ABC
6.38224 0.13407 0.13407

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.990
Cl2 0.000 0.000 1.237
H3 0.000 0.935 -2.350
H4 0.809 -0.467 -2.350
H5 -0.809 -0.467 -2.350
H6 0.000 0.000 -0.057

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N13.22751.00141.00141.00141.9335
Cl23.22753.70683.70683.70681.2940
H31.00143.70681.61891.61892.4762
H41.00143.70681.61891.61892.4762
H51.00143.70681.61891.61892.4762
H61.93351.29402.47622.47622.4762

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 107.858
H3 N1 H5 107.858 H3 N1 H6 111.040
H4 N1 H5 107.858 H4 N1 H6 111.040
H5 N1 H6 111.040
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.821      
2 Cl -0.282      
3 H 0.291      
4 H 0.291      
5 H 0.291      
6 H 0.230      


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 -4.615 4.615
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.046 0.000 0.000
y 0.000 -20.046 0.000
z 0.000 0.000 -14.733
Traceless
 xyz
x -2.657 0.000 0.000
y 0.000 -2.657 0.000
z 0.000 0.000 5.313
Polar
3z2-r210.627
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 2.210 0.000 0.000
y 0.000 2.210 0.000
z 0.000 0.000 3.755


<r2> (average value of r2) Å2
<r2> 84.352
(<r2>)1/2 9.184