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

using model chemistry: BLYP/6-31G*

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/6-31G*
 hartrees
Energy at 0K-517.312412
Energy at 298.15K 
HF Energy-517.312412
Nuclear repulsion energy49.577409
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/6-31G*
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 3352 3325 2.18      
2 A1 1816 1801 2307.05      
3 A1 1153 1143 32.44      
4 A1 247 245 44.10      
5 E 3482 3454 9.01      
5 E 3482 3454 9.01      
6 E 1668 1654 22.74      
6 E 1668 1654 22.74      
7 E 916 909 76.13      
7 E 916 909 76.13      
8 E 278 275 16.56      
8 E 278 275 16.56      

Unscaled Zero Point Vibrational Energy (zpe) 9627.5 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 9549.6 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/6-31G*
ABC
6.09934 0.15054 0.15054

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.861
Cl2 0.000 0.000 1.174
H3 0.000 0.956 -2.236
H4 0.828 -0.478 -2.236
H5 -0.828 -0.478 -2.236
H6 0.000 0.000 -0.219

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N13.03421.02731.02731.02731.6413
Cl23.03423.54143.54143.54141.3929
H31.02733.54141.65601.65602.2322
H41.02733.54141.65601.65602.2322
H51.02733.54141.65601.65602.2322
H61.64131.39292.23222.23222.2322

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 107.418
H3 N1 H5 107.418 H3 N1 H6 111.454
H4 N1 H5 107.418 H4 N1 H6 111.454
H5 N1 H6 111.454
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.834      
2 Cl -0.373      
3 H 0.328      
4 H 0.328      
5 H 0.328      
6 H 0.223      


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 -5.893 5.893
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.093 0.000 0.000
y 0.000 -20.093 0.000
z 0.000 0.000 -14.327
Traceless
 xyz
x -2.883 0.000 0.000
y 0.000 -2.883 0.000
z 0.000 0.000 5.767
Polar
3z2-r211.534
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 2.271 0.000 0.000
y 0.000 2.271 0.000
z 0.000 0.000 4.933


<r2> (average value of r2) Å2
<r2> 76.792
(<r2>)1/2 8.763