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

using model chemistry: B3LYP/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3LYP/SDD
 hartrees
Energy at 0K-517.349705
Energy at 298.15K 
HF Energy-517.349705
Nuclear repulsion energy51.074300
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/SDD
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 3461 3327 8.68      
2 A1 1251 1203 123.84      
3 A1 969 931 3528.66      
4 A1 409 393 39.71      
5 E 3627 3487 36.30      
5 E 3627 3487 36.30      
6 E 1695 1629 47.16      
6 E 1695 1629 47.16      
7 E 1325 1274 103.89      
7 E 1325 1274 103.89      
8 E 342 328 7.32      
8 E 342 328 7.32      

Unscaled Zero Point Vibrational Energy (zpe) 10033.2 cm-1
Scaled (by 0.9613) Zero Point Vibrational Energy (zpe) 9644.9 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/SDD
ABC
5.90855 0.16648 0.16648

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/SDD

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.766
Cl2 0.000 0.000 1.121
H3 0.000 0.971 -2.084
H4 0.841 -0.486 -2.084
H5 -0.841 -0.486 -2.084
H6 0.000 0.000 -0.437

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N12.88731.02211.02211.02211.3291
Cl22.88733.34933.34933.34931.5582
H31.02213.34931.68251.68251.9122
H41.02213.34931.68251.68251.9122
H51.02213.34931.68251.68251.9122
H61.32911.55821.91221.91221.9122

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 110.781
H3 N1 H5 110.781 H3 N1 H6 108.127
H4 N1 H5 110.781 H4 N1 H6 108.127
H5 N1 H6 108.127
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.817      
2 Cl -0.485      
3 H 0.356      
4 H 0.356      
5 H 0.356      
6 H 0.233      


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 -7.767 7.767
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.624 0.000 0.000
y 0.000 -19.624 0.000
z 0.000 0.000 -15.143
Traceless
 xyz
x -2.241 0.000 0.000
y 0.000 -2.241 0.000
z 0.000 0.000 4.481
Polar
3z2-r28.963
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 1.630 0.000 0.000
y 0.000 1.630 0.000
z 0.000 0.000 5.037


<r2> (average value of r2) Å2
<r2> 70.580
(<r2>)1/2 8.401