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

using model chemistry: B1B95/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B1B95/3-21G
 hartrees
Energy at 0K-514.975766
Energy at 298.15K 
HF Energy-514.975766
Nuclear repulsion energy51.352337
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 B1B95/3-21G
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 3436 3287 11.13      
2 A1 1241 1187 2904.96      
3 A1 1181 1130 629.49      
4 A1 384 367 82.56      
5 E 3584 3429 34.32      
5 E 3584 3429 34.31      
6 E 1732 1657 34.31      
6 E 1732 1657 34.31      
7 E 1275 1220 94.25      
7 E 1275 1220 94.25      
8 E 360 345 11.58      
8 E 360 345 11.58      

Unscaled Zero Point Vibrational Energy (zpe) 10071.4 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 9635.3 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 B1B95/3-21G
ABC
5.90527 0.16761 0.16761

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.765
Cl2 0.000 0.000 1.114
H3 0.000 0.972 -2.078
H4 0.842 -0.486 -2.078
H5 -0.842 -0.486 -2.078
H6 0.000 0.000 -0.347

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N12.87971.02081.02081.02081.4188
Cl22.87973.33723.33723.33721.4609
H31.02083.33721.68301.68301.9857
H41.02083.33721.68301.68301.9857
H51.02083.33721.68301.68301.9857
H61.41881.46091.98571.98571.9857

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 111.040
H3 N1 H5 111.040 H3 N1 H6 107.853
H4 N1 H5 111.040 H4 N1 H6 107.853
H5 N1 H6 107.853
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.806      
2 Cl -0.519      
3 H 0.345      
4 H 0.345      
5 H 0.345      
6 H 0.291      


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 -7.228 7.228
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.705 0.000 0.000
y 0.000 -19.705 0.000
z 0.000 0.000 -14.207
Traceless
 xyz
x -2.749 0.000 0.000
y 0.000 -2.749 0.000
z 0.000 0.000 5.498
Polar
3z2-r210.997
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 1.932 0.000 0.000
y 0.000 1.932 0.000
z 0.000 0.000 4.143


<r2> (average value of r2) Å2
<r2> 69.997
(<r2>)1/2 8.366