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

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-517.292077
Energy at 298.15K 
HF Energy-517.292077
Nuclear repulsion energy50.182461
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 B3PW91/6-31G*
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 3490 3339 7.50      
2 A1 1896 1814 2513.87      
3 A1 1184 1133 79.03      
4 A1 248 237 52.43      
5 E 3632 3474 20.16      
5 E 3632 3474 20.16      
6 E 1707 1633 29.79      
6 E 1707 1633 29.79      
7 E 961 919 82.43      
7 E 961 919 82.43      
8 E 301 288 18.48      
8 E 301 288 18.48      

Unscaled Zero Point Vibrational Energy (zpe) 10008.5 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 9575.2 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 B3PW91/6-31G*
ABC
6.18587 0.15448 0.15448

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.838
Cl2 0.000 0.000 1.158
H3 0.000 0.949 -2.203
H4 0.822 -0.475 -2.203
H5 -0.822 -0.475 -2.203
H6 0.000 0.000 -0.217

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N12.99621.01721.01721.01721.6207
Cl22.99623.49283.49283.49281.3754
H31.01723.49281.64441.64442.2011
H41.01723.49281.64441.64442.2011
H51.01723.49281.64441.64442.2011
H61.62071.37542.20112.20112.2011

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 107.863
H3 N1 H5 107.863 H3 N1 H6 111.035
H4 N1 H5 107.863 H4 N1 H6 111.035
H5 N1 H6 111.035
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.947      
2 Cl -0.379      
3 H 0.361      
4 H 0.361      
5 H 0.361      
6 H 0.243      


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 -5.877 5.877
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.953 0.000 0.000
y 0.000 -19.953 0.000
z 0.000 0.000 -14.441
Traceless
 xyz
x -2.756 0.000 0.000
y 0.000 -2.756 0.000
z 0.000 0.000 5.512
Polar
3z2-r211.024
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 2.199 0.000 0.000
y 0.000 2.199 0.000
z 0.000 0.000 4.629


<r2> (average value of r2) Å2
<r2> 75.077
(<r2>)1/2 8.665