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

using model chemistry: B1B95/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B1B95/6-31G
 hartrees
Energy at 0K-517.342925
Energy at 298.15K 
HF Energy-517.342925
Nuclear repulsion energy51.418697
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 B1B95/6-31G
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 3502 3340 17.07      
2 A1 1307 1247 222.49      
3 A1 981 936 3967.87      
4 A1 447 426 0.05      
5 E 3666 3496 56.20      
5 E 3666 3496 56.20      
6 E 1724 1644 47.84      
6 E 1724 1644 47.84      
7 E 1441 1375 104.24      
7 E 1441 1375 104.24      
8 E 388 370 7.81      
8 E 388 370 7.81      

Unscaled Zero Point Vibrational Energy (zpe) 10336.1 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 9857.5 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 B1B95/6-31G
ABC
5.97176 0.16905 0.16905

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.752
Cl2 0.000 0.000 1.114
H3 0.000 0.966 -2.062
H4 0.837 -0.483 -2.062
H5 -0.837 -0.483 -2.062
H6 0.000 0.000 -0.481

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N12.86531.01501.01501.01501.2711
Cl22.86533.31963.31963.31961.5942
H31.01503.31961.67361.67361.8535
H41.01503.31961.67361.67361.8535
H51.01503.31961.67361.67361.8535
H61.27111.59421.85351.85351.8535

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 111.069
H3 N1 H5 111.069 H3 N1 H6 107.821
H4 N1 H5 111.069 H4 N1 H6 107.821
H5 N1 H6 107.821
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.863      
2 Cl -0.501      
3 H 0.379      
4 H 0.379      
5 H 0.379      
6 H 0.226      


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 -8.567 8.567
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.931 0.000 0.000
y 0.000 -19.931 0.000
z 0.000 0.000 -14.717
Traceless
 xyz
x -2.607 0.000 0.000
y 0.000 -2.607 0.000
z 0.000 0.000 5.214
Polar
3z2-r210.428
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 1.697 0.000 0.000
y 0.000 1.697 0.000
z 0.000 0.000 4.514


<r2> (average value of r2) Å2
<r2> 69.714
(<r2>)1/2 8.350