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

using model chemistry: HF/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-516.329750
Energy at 298.15K 
HF Energy-516.329750
Nuclear repulsion energy47.362699
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/Def2TZVPP
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 3689 3344 0.53 113.70 0.02 0.04
2 A1 2861 2593 786.93 282.62 0.35 0.52
3 A1 1172 1062 188.72 0.55 0.46 0.63
4 A1 135 122 6.96 0.45 0.39 0.56
5 E 3812 3455 12.56 45.41 0.75 0.86
5 E 3812 3455 12.56 45.41 0.75 0.86
6 E 1789 1621 22.89 3.51 0.75 0.86
6 E 1789 1621 22.89 3.51 0.75 0.86
7 E 591 535 62.05 1.80 0.75 0.86
7 E 591 535 62.05 1.80 0.75 0.86
8 E 195 177 18.48 1.25 0.75 0.86
8 E 195 177 18.48 1.25 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10314.6 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 9349.1 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/Def2TZVPP
ABC
6.40556 0.12469 0.12469

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -2.070
Cl2 0.000 0.000 1.281
H3 0.000 0.933 -2.428
H4 0.808 -0.466 -2.428
H5 -0.808 -0.466 -2.428
H6 0.000 0.000 -0.003

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N13.35140.99900.99900.99902.0676
Cl23.35143.82423.82423.82421.2838
H30.99903.82421.61591.61592.5982
H40.99903.82421.61591.61592.5982
H50.99903.82421.61591.61592.5982
H62.06761.28382.59822.59822.5982

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 107.948
H3 N1 H5 107.948 H3 N1 H6 110.955
H4 N1 H5 107.948 H4 N1 H6 110.955
H5 N1 H6 110.955
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.497      
2 Cl -0.248      
3 H 0.174      
4 H 0.174      
5 H 0.174      
6 H 0.222      


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 -3.904 3.904
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.084 0.000 0.000
y 0.000 -20.084 0.000
z 0.000 0.000 -15.181
Traceless
 xyz
x -2.452 0.000 0.000
y 0.000 -2.452 0.000
z 0.000 0.000 4.904
Polar
3z2-r29.808
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 3.064 0.000 0.000
y 0.000 3.064 0.000
z 0.000 0.000 4.532


<r2> (average value of r2) Å2
<r2> 89.717
(<r2>)1/2 9.472