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

using model chemistry: B2PLYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B2PLYP/STO-3G
 hartrees
Energy at 0K-511.333052
Energy at 298.15K 
HF Energy-511.308742
Nuclear repulsion energy51.134249
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 B2PLYP/STO-3G
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 3586 3586 0.34      
2 A1 2283 2283 3552.21      
3 A1 1361 1361 3.12      
4 A1 445 445 35.82      
5 E 3842 3842 5.67      
5 E 3842 3842 5.67      
6 E 1864 1864 8.31      
6 E 1864 1864 8.31      
7 E 1304 1304 113.22      
7 E 1304 1304 113.22      
8 E 392 392 19.00      
8 E 392 392 19.00      

Unscaled Zero Point Vibrational Energy (zpe) 11240.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11240.0 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 B2PLYP/STO-3G
ABC
5.92199 0.16823 0.16823

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/STO-3G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.742
Cl2 0.000 0.000 1.115
H3 0.000 0.970 -2.143
H4 0.840 -0.485 -2.143
H5 -0.840 -0.485 -2.143
H6 0.000 0.000 -0.331

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N12.85631.05011.05011.05011.4106
Cl22.85633.39923.39923.39921.4457
H31.05013.39921.68061.68062.0556
H41.05013.39921.68061.68062.0556
H51.05013.39921.68061.68062.0556
H61.41061.44572.05562.05562.0556

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 106.302
H3 N1 H5 106.302 H3 N1 H6 112.480
H4 N1 H5 106.302 H4 N1 H6 112.480
H5 N1 H6 112.480
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.399      
2 Cl -0.466      
3 H 0.217      
4 H 0.217      
5 H 0.217      
6 H 0.213      


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 -7.250 7.250
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.059 0.000 0.000
y 0.000 -18.059 0.000
z 0.000 0.000 -12.261
Traceless
 xyz
x -2.899 0.000 0.000
y 0.000 -2.899 0.000
z 0.000 0.000 5.798
Polar
3z2-r211.596
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 0.824 0.000 0.000
y 0.000 0.824 0.000
z 0.000 0.000 2.459


<r2> (average value of r2) Å2
<r2> 69.141
(<r2>)1/2 8.315