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

using model chemistry: B3LYPultrafine/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3LYPultrafine/6-31G(2df,p)
 hartrees
Energy at 0K-517.382406
Energy at 298.15K 
HF Energy-517.382406
Nuclear repulsion energy49.842141
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 B3LYPultrafine/6-31G(2df,p)
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 3478 3356 3.44      
2 A1 2048 1976 2389.48      
3 A1 1127 1088 77.49      
4 A1 212 205 45.61      
5 E 3604 3478 17.13      
5 E 3604 3478 17.13      
6 E 1665 1607 21.40      
6 E 1665 1607 21.40      
7 E 879 849 51.49      
7 E 879 849 51.49      
8 E 258 249 14.18      
8 E 258 249 14.18      

Unscaled Zero Point Vibrational Energy (zpe) 9838.8 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 9494.5 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 B3LYPultrafine/6-31G(2df,p)
ABC
6.21624 0.15071 0.15071

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G(2df,p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.863
Cl2 0.000 0.000 1.172
H3 0.000 0.947 -2.230
H4 0.820 -0.474 -2.230
H5 -0.820 -0.474 -2.230
H6 0.000 0.000 -0.185

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N13.03491.01581.01581.01581.6783
Cl23.03493.53153.53153.53151.3566
H31.01583.53151.64041.64042.2542
H41.01583.53151.64041.64042.2542
H51.01583.53151.64041.64042.2542
H61.67831.35662.25422.25422.2542

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 107.692
H3 N1 H5 107.692 H3 N1 H6 111.197
H4 N1 H5 107.692 H4 N1 H6 111.197
H5 N1 H6 111.197
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.693      
2 Cl -0.448      
3 H 0.270      
4 H 0.270      
5 H 0.270      
6 H 0.330      


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 -5.257 5.257
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.947 0.000 0.000
y 0.000 -19.947 0.000
z 0.000 0.000 -14.513
Traceless
 xyz
x -2.717 0.000 0.000
y 0.000 -2.717 0.000
z 0.000 0.000 5.434
Polar
3z2-r210.868
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 2.913 0.000 0.000
y 0.000 2.913 0.000
z 0.000 0.000 5.057


<r2> (average value of r2) Å2
<r2> 76.615
(<r2>)1/2 8.753