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

using model chemistry: BLYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at BLYP/cc-pVTZ
 hartrees
Energy at 0K-517.393788
Energy at 298.15K 
HF Energy-517.393788
Nuclear repulsion energy49.245485
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 BLYP/cc-pVTZ
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 3370 3360 0.15      
2 A1 2039 2033 2121.73      
3 A1 1089 1086 70.46      
4 A1 202 201 35.17      
5 E 3487 3477 11.26      
5 E 3487 3477 11.26      
6 E 1628 1623 20.68      
6 E 1628 1623 20.68      
7 E 827 824 31.83      
7 E 827 824 31.83      
8 E 244 243 15.68      
8 E 244 243 15.68      

Unscaled Zero Point Vibrational Energy (zpe) 9535.5 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 9506.9 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 BLYP/cc-pVTZ
ABC
6.15107 0.14610 0.14610

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.894
Cl2 0.000 0.000 1.190
H3 0.000 0.952 -2.264
H4 0.825 -0.476 -2.264
H5 -0.825 -0.476 -2.264
H6 0.000 0.000 -0.173

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N13.08361.02131.02131.02131.7212
Cl23.08363.58213.58213.58211.3624
H31.02133.58211.64901.64902.2974
H41.02133.58211.64901.64902.2974
H51.02133.58211.64901.64902.2974
H61.72121.36242.29742.29742.2974

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 107.671
H3 N1 H5 107.671 H3 N1 H6 111.217
H4 N1 H5 107.671 H4 N1 H6 111.217
H5 N1 H6 111.217
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.343      
2 Cl -0.337      
3 H 0.163      
4 H 0.163      
5 H 0.163      
6 H 0.191      


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 -5.004 5.004
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.323 0.000 0.000
y 0.000 -20.323 0.000
z 0.000 0.000 -15.222
Traceless
 xyz
x -2.551 0.000 0.000
y 0.000 -2.551 0.000
z 0.000 0.000 5.102
Polar
3z2-r210.203
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 3.212 0.000 0.000
y 0.000 3.212 0.000
z 0.000 0.000 5.896


<r2> (average value of r2) Å2
<r2> 78.921
(<r2>)1/2 8.884