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

using model chemistry: B3PW91/STO-3G

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/STO-3G
 hartrees
Energy at 0K-511.558089
Energy at 298.15K 
HF Energy-511.558089
Nuclear repulsion energy51.167817
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/STO-3G
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 3564 3154 0.35      
2 A1 2302 2037 3245.66      
3 A1 1319 1167 10.02      
4 A1 457 405 19.27      
5 E 3819 3379 8.53      
5 E 3819 3379 8.52      
6 E 1835 1624 10.15      
6 E 1835 1624 10.15      
7 E 1312 1161 109.08      
7 E 1312 1161 109.08      
8 E 390 345 20.31      
8 E 390 345 20.31      

Unscaled Zero Point Vibrational Energy (zpe) 11175.8 cm-1
Scaled (by 0.885) Zero Point Vibrational Energy (zpe) 9890.6 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 B3PW91/STO-3G
ABC
5.88955 0.16880 0.16880

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/STO-3G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.739
Cl2 0.000 0.000 1.113
H3 0.000 0.973 -2.134
H4 0.843 -0.486 -2.134
H5 -0.843 -0.486 -2.134
H6 0.000 0.000 -0.345

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N12.85221.05021.05021.05021.3937
Cl22.85223.39013.39013.39011.4586
H31.05023.39011.68531.68532.0364
H41.05023.39011.68531.68532.0364
H51.05023.39011.68531.68532.0364
H61.39371.45862.03642.03642.0364

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 106.710
H3 N1 H5 106.710 H3 N1 H6 112.108
H4 N1 H5 106.710 H4 N1 H6 112.108
H5 N1 H6 112.108
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.414      
2 Cl -0.477      
3 H 0.229      
4 H 0.229      
5 H 0.229      
6 H 0.204      


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 -7.451 7.451
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.971 0.000 0.000
y 0.000 -17.971 0.000
z 0.000 0.000 -12.002
Traceless
 xyz
x -2.984 0.000 0.000
y 0.000 -2.984 0.000
z 0.000 0.000 5.969
Polar
3z2-r211.938
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 0.819 0.000 0.000
y 0.000 0.819 0.000
z 0.000 0.000 2.423


<r2> (average value of r2) Å2
<r2> 68.843
(<r2>)1/2 8.297