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

using model chemistry: B1B95/TZVP

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/TZVP
 hartrees
Energy at 0K-517.428348
Energy at 298.15K 
HF Energy-517.428348
Nuclear repulsion energy49.588473
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/TZVP
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 3516 3364 1.99      
2 A1 2178 2084 2115.82      
3 A1 1119 1070 142.03      
4 A1 196 187 35.66      
5 E 3647 3490 18.34      
5 E 3647 3490 18.34      
6 E 1668 1596 28.54      
6 E 1668 1596 28.54      
7 E 830 794 63.66      
7 E 830 794 63.66      
8 E 250 239 16.64      
8 E 250 239 16.64      

Unscaled Zero Point Vibrational Energy (zpe) 9898.7 cm-1
Scaled (by 0.9569) Zero Point Vibrational Energy (zpe) 9472.1 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/TZVP
ABC
6.25399 0.14750 0.14750

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/TZVP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.887
Cl2 0.000 0.000 1.183
H3 0.000 0.944 -2.248
H4 0.818 -0.472 -2.248
H5 -0.818 -0.472 -2.248
H6 0.000 0.000 -0.160

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N13.07051.01091.01091.01091.7271
Cl23.07053.55923.55923.55921.3434
H31.01093.55921.63541.63542.2918
H41.01093.55921.63541.63542.2918
H51.01093.55921.63541.63542.2918
H61.72711.34342.29182.29182.2918

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 107.968
H3 N1 H5 107.968 H3 N1 H6 110.935
H4 N1 H5 107.968 H4 N1 H6 110.935
H5 N1 H6 110.935
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.638      
2 Cl -0.336      
3 H 0.239      
4 H 0.239      
5 H 0.239      
6 H 0.258      


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 -5.088 5.088
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.027 0.000 0.000
y 0.000 -20.027 0.000
z 0.000 0.000 -15.260
Traceless
 xyz
x -2.384 0.000 0.000
y 0.000 -2.384 0.000
z 0.000 0.000 4.767
Polar
3z2-r29.534
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 2.551 0.000 0.000
y 0.000 2.551 0.000
z 0.000 0.000 5.010


<r2> (average value of r2) Å2
<r2> 78.116
(<r2>)1/2 8.838