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

using model chemistry: PBEPBEultrafine/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at PBEPBEultrafine/Def2TZVPP
 hartrees
Energy at 0K-517.156190
Energy at 298.15K 
HF Energy-517.156190
Nuclear repulsion energy49.986674
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 PBEPBEultrafine/Def2TZVPP
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 3400 3400 0.67      
2 A1 1924 1924 2530.59      
3 A1 1084 1084 71.51      
4 A1 220 220 51.61      
5 E 3528 3528 17.86      
5 E 3528 3528 17.86      
6 E 1612 1612 22.90      
6 E 1612 1612 22.90      
7 E 897 897 27.84      
7 E 897 897 27.84      
8 E 252 252 15.61      
8 E 252 252 15.61      

Unscaled Zero Point Vibrational Energy (zpe) 9602.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9602.8 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 PBEPBEultrafine/Def2TZVPP
ABC
6.14607 0.15306 0.15306

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/Def2TZVPP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.847
Cl2 0.000 0.000 1.163
H3 0.000 0.952 -2.214
H4 0.825 -0.476 -2.214
H5 -0.825 -0.476 -2.214
H6 0.000 0.000 -0.210

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N13.01011.02091.02091.02091.6365
Cl23.01013.50933.50933.50931.3736
H31.02093.50931.64971.64972.2188
H41.02093.50931.64971.64972.2188
H51.02093.50931.64971.64972.2188
H61.63651.37362.21882.21882.2188

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 107.797
H3 N1 H5 107.797 H3 N1 H6 111.098
H4 N1 H5 107.797 H4 N1 H6 111.098
H5 N1 H6 111.098
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.398      
2 Cl -0.379      
3 H 0.180      
4 H 0.180      
5 H 0.180      
6 H 0.237      


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 -5.231 5.231
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.169 0.000 0.000
y 0.000 -20.169 0.000
z 0.000 0.000 -15.142
Traceless
 xyz
x -2.514 0.000 0.000
y 0.000 -2.514 0.000
z 0.000 0.000 5.027
Polar
3z2-r210.054
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 3.266 0.000 0.000
y 0.000 3.266 0.000
z 0.000 0.000 6.013


<r2> (average value of r2) Å2
<r2> 75.905
(<r2>)1/2 8.712