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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-31G(2df,p)
 hartrees
Energy at 0K-517.099900
Energy at 298.15K 
HF Energy-517.099900
Nuclear repulsion energy50.344038
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 PBEPBEultrafine/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 3406 3371 3.45      
2 A1 1796 1777 2823.84      
3 A1 1104 1092 35.01      
4 A1 255 252 62.17      
5 E 3540 3504 21.10      
5 E 3540 3504 21.10      
6 E 1618 1601 21.26      
6 E 1618 1601 21.26      
7 E 962 952 45.21      
7 E 962 952 45.21      
8 E 265 262 12.65      
8 E 265 262 12.65      

Unscaled Zero Point Vibrational Energy (zpe) 9664.6 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 9565.0 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 PBEPBEultrafine/6-31G(2df,p)
ABC
6.13273 0.15702 0.15702

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.819
Cl2 0.000 0.000 1.150
H3 0.000 0.953 -2.190
H4 0.826 -0.477 -2.190
H5 -0.826 -0.477 -2.190
H6 0.000 0.000 -0.243

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N12.96931.02291.02291.02291.5766
Cl22.96933.47323.47323.47321.3927
H31.02293.47321.65151.65152.1680
H41.02293.47321.65151.65152.1680
H51.02293.47321.65151.65152.1680
H61.57661.39272.16802.16802.1680

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 107.655
H3 N1 H5 107.655 H3 N1 H6 111.232
H4 N1 H5 107.655 H4 N1 H6 111.232
H5 N1 H6 111.232
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.690      
2 Cl -0.480      
3 H 0.279      
4 H 0.279      
5 H 0.279      
6 H 0.333      


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 -5.771 5.771
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.967 0.000 0.000
y 0.000 -19.967 0.000
z 0.000 0.000 -14.348
Traceless
 xyz
x -2.809 0.000 0.000
y 0.000 -2.809 0.000
z 0.000 0.000 5.618
Polar
3z2-r211.237
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 2.954 0.000 0.000
y 0.000 2.954 0.000
z 0.000 0.000 5.333


<r2> (average value of r2) Å2
<r2> 74.125
(<r2>)1/2 8.610