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

using model chemistry: B3PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3PW91/6-31G**
 hartrees
Energy at 0K-517.306886
Energy at 298.15K 
HF Energy-517.306886
Nuclear repulsion energy50.294213
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 B3PW91/6-31G**
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 3507 3361 5.76      
2 A1 1950 1869 2595.44      
3 A1 1150 1102 90.84      
4 A1 240 230 55.65      
5 E 3650 3498 21.00      
5 E 3650 3498 21.00      
6 E 1674 1605 26.78      
6 E 1674 1605 26.78      
7 E 963 923 73.23      
7 E 963 923 73.23      
8 E 296 283 18.63      
8 E 296 283 18.63      

Unscaled Zero Point Vibrational Energy (zpe) 10005.6 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 9589.4 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 B3PW91/6-31G**
ABC
6.20199 0.15518 0.15518

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.834
Cl2 0.000 0.000 1.156
H3 0.000 0.948 -2.197
H4 0.821 -0.474 -2.197
H5 -0.821 -0.474 -2.197
H6 0.000 0.000 -0.215

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N12.98951.01541.01541.01541.6188
Cl22.98953.48443.48443.48441.3707
H31.01543.48441.64231.64232.1973
H41.01543.48441.64231.64232.1973
H51.01543.48441.64231.64232.1973
H61.61881.37072.19732.19732.1973

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 107.933
H3 N1 H5 107.933 H3 N1 H6 110.969
H4 N1 H5 107.933 H4 N1 H6 110.969
H5 N1 H6 110.969
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.767      
2 Cl -0.350      
3 H 0.302      
4 H 0.302      
5 H 0.302      
6 H 0.212      


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 -5.813 5.813
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.885 0.000 0.000
y 0.000 -19.885 0.000
z 0.000 0.000 -14.367
Traceless
 xyz
x -2.759 0.000 0.000
y 0.000 -2.759 0.000
z 0.000 0.000 5.518
Polar
3z2-r211.036
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 2.251 0.000 0.000
y 0.000 2.251 0.000
z 0.000 0.000 4.601


<r2> (average value of r2) Å2
<r2> 74.744
(<r2>)1/2 8.645