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

using model chemistry: HF/6-311G*

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/6-311G*
 hartrees
Energy at 0K-516.301380
Energy at 298.15K 
HF Energy-516.301380
Nuclear repulsion energy48.363898
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/6-311G*
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 3716 3361 2.31 98.30 0.04 0.08
2 A1 2668 2413 1022.93 415.15 0.40 0.58
3 A1 1273 1151 208.27 0.20 0.75 0.86
4 A1 182 164 10.61 0.88 0.33 0.49
5 E 3833 3466 6.25 59.34 0.75 0.86
5 E 3833 3466 6.25 59.34 0.75 0.86
6 E 1867 1689 35.72 7.42 0.75 0.86
6 E 1867 1689 35.72 7.42 0.75 0.86
7 E 718 650 104.23 3.67 0.75 0.86
7 E 718 650 104.23 3.67 0.75 0.86
8 E 251 227 18.71 3.66 0.75 0.86
8 E 251 227 18.71 3.66 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10587.8 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 9575.6 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/6-311G*
ABC
6.42205 0.13398 0.13398

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G*

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 1.238
H3 0.000 0.932 -2.352
H4 0.807 -0.466 -2.352
H5 -0.807 -0.466 -2.352
H6 0.000 0.000 -0.063

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N13.22820.99960.99960.99961.9274
Cl23.22823.70913.70913.70911.3008
H30.99963.70911.61391.61392.4718
H40.99963.70911.61391.61392.4718
H50.99963.70911.61391.61392.4718
H61.92741.30082.47182.47182.4718

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 107.657
H3 N1 H5 107.657 H3 N1 H6 111.230
H4 N1 H5 107.657 H4 N1 H6 111.230
H5 N1 H6 111.230
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -1.052      
2 Cl -0.395      
3 H 0.369      
4 H 0.369      
5 H 0.369      
6 H 0.342      


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 -4.719 4.719
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.517 0.000 0.000
y 0.000 -20.517 0.000
z 0.000 0.000 -15.353
Traceless
 xyz
x -2.582 0.000 0.000
y 0.000 -2.582 0.000
z 0.000 0.000 5.164
Polar
3z2-r210.328
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 2.264 0.000 0.000
y 0.000 2.264 0.000
z 0.000 0.000 3.965


<r2> (average value of r2) Å2
<r2> 84.727
(<r2>)1/2 9.205