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

using model chemistry: PBEPBE/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at PBEPBE/6-311+G(3df,2p)
 hartrees
Energy at 0K-517.155820
Energy at 298.15K 
HF Energy-517.155820
Nuclear repulsion energy50.144533
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 PBEPBE/6-311+G(3df,2p)
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 3407 3379 0.16      
2 A1 1855 1840 2753.24      
3 A1 1086 1077 70.34      
4 A1 221 219 62.06      
5 E 3532 3503 21.34      
5 E 3532 3503 21.34      
6 E 1611 1598 24.13      
6 E 1611 1598 24.13      
7 E 925 917 22.66      
7 E 925 917 22.66      
8 E 268 266 12.48      
8 E 268 266 12.47      

Unscaled Zero Point Vibrational Energy (zpe) 9620.0 cm-1
Scaled (by 0.9918) Zero Point Vibrational Energy (zpe) 9541.1 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 PBEPBE/6-311+G(3df,2p)
ABC
6.13621 0.15465 0.15465

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311+G(3df,2p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.836
Cl2 0.000 0.000 1.158
H3 0.000 0.953 -2.202
H4 0.826 -0.477 -2.202
H5 -0.826 -0.477 -2.202
H6 0.000 0.000 -0.221

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N12.99411.02101.02101.02101.6151
Cl22.99413.49253.49253.49251.3789
H31.02103.49251.65101.65102.1984
H41.02103.49251.65101.65102.1984
H51.02103.49251.65101.65102.1984
H61.61511.37892.19842.19842.1984

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 107.901
H3 N1 H5 107.901 H3 N1 H6 110.999
H4 N1 H5 107.901 H4 N1 H6 110.999
H5 N1 H6 110.999
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.480      
2 Cl -0.482      
3 H 0.185      
4 H 0.185      
5 H 0.185      
6 H 0.407      


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 -5.194 5.194
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.576 0.000 0.000
y 0.000 -20.576 0.000
z 0.000 0.000 -15.605
Traceless
 xyz
x -2.486 0.000 0.000
y 0.000 -2.486 0.000
z 0.000 0.000 4.971
Polar
3z2-r29.943
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 4.199 0.000 0.000
y 0.000 4.199 0.000
z 0.000 0.000 7.062


<r2> (average value of r2) Å2
<r2> 75.531
(<r2>)1/2 8.691