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

using model chemistry: PBEPBE/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-517.132608
Energy at 298.15K 
HF Energy-517.132608
Nuclear repulsion energy50.324063
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/aug-cc-pVDZ
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 3381 3361 0.26      
2 A1 1665 1655 3048.63      
3 A1 1095 1088 32.86      
4 A1 243 241 82.47      
5 E 3518 3497 21.93      
5 E 3518 3497 21.92      
6 E 1581 1572 22.59      
6 E 1581 1572 22.59      
7 E 969 963 20.41      
7 E 969 963 20.41      
8 E 276 274 11.46      
8 E 276 274 11.47      

Unscaled Zero Point Vibrational Energy (zpe) 9536.6 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 9478.4 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/aug-cc-pVDZ
ABC
6.11727 0.15754 0.15754

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/aug-cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.814
Cl2 0.000 0.000 1.149
H3 0.000 0.955 -2.189
H4 0.827 -0.477 -2.189
H5 -0.827 -0.477 -2.189
H6 0.000 0.000 -0.262

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N12.96321.02541.02541.02541.5522
Cl22.96323.47123.47123.47121.4110
H31.02543.47121.65361.65362.1500
H41.02543.47121.65361.65362.1500
H51.02543.47121.65361.65362.1500
H61.55221.41102.15002.15002.1500

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 107.474
H3 N1 H5 107.474 H3 N1 H6 111.402
H4 N1 H5 107.474 H4 N1 H6 111.402
H5 N1 H6 111.402
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.052      
2 Cl -0.387      
3 H 0.018      
4 H 0.018      
5 H 0.018      
6 H 0.385      


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 -5.581 5.581
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.669 0.000 0.000
y 0.000 -20.669 0.000
z 0.000 0.000 -15.412
Traceless
 xyz
x -2.628 0.000 0.000
y 0.000 -2.628 0.000
z 0.000 0.000 5.257
Polar
3z2-r210.514
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 4.310 0.000 0.000
y 0.000 4.310 0.000
z 0.000 0.000 7.266


<r2> (average value of r2) Å2
<r2> 74.467
(<r2>)1/2 8.629