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

using model chemistry: HF/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at HF/6-31+G**
 hartrees
Energy at 0K-516.279987
Energy at 298.15K 
HF Energy-516.279987
Nuclear repulsion energy47.971535
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 HF/6-31+G**
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 3707 3351 1.39 115.16 0.02 0.03
2 A1 2822 2552 947.21 379.42 0.32 0.48
3 A1 1193 1079 242.65 0.88 0.72 0.84
4 A1 162 147 8.40 0.81 0.27 0.43
5 E 3846 3477 17.32 51.24 0.75 0.86
5 E 3846 3477 17.32 51.24 0.75 0.86
6 E 1798 1626 32.62 5.03 0.75 0.86
6 E 1798 1626 32.62 5.03 0.75 0.86
7 E 666 602 97.83 0.44 0.75 0.86
7 E 666 602 97.83 0.44 0.75 0.86
8 E 235 212 18.60 0.73 0.75 0.86
8 E 235 212 18.60 0.73 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10486.3 cm-1
Scaled (by 0.9042) Zero Point Vibrational Energy (zpe) 9481.7 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 HF/6-31+G**
ABC
6.35539 0.13038 0.13038

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -2.022
Cl2 0.000 0.000 1.254
H3 0.000 0.937 -2.376
H4 0.811 -0.468 -2.376
H5 -0.811 -0.468 -2.376
H6 0.000 0.000 -0.036

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N13.27551.00141.00141.00141.9857
Cl23.27553.74853.74853.74851.2897
H31.00143.74851.62231.62232.5204
H41.00143.74851.62231.62232.5204
H51.00143.74851.62231.62232.5204
H61.98571.28972.52042.52042.5204

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 108.203
H3 N1 H5 108.203 H3 N1 H6 110.712
H4 N1 H5 108.203 H4 N1 H6 110.712
H5 N1 H6 110.712
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.933      
2 Cl -0.252      
3 H 0.316      
4 H 0.316      
5 H 0.316      
6 H 0.238      


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 -4.342 4.342
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.347 0.000 0.000
y 0.000 -20.347 0.000
z 0.000 0.000 -15.682
Traceless
 xyz
x -2.332 0.000 0.000
y 0.000 -2.332 0.000
z 0.000 0.000 4.665
Polar
3z2-r29.329
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 2.676 0.000 0.000
y 0.000 2.676 0.000
z 0.000 0.000 4.320


<r2> (average value of r2) Å2
<r2> 86.639
(<r2>)1/2 9.308