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

using model chemistry: PBE1PBE/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at PBE1PBE/6-311+G(3df,2p)
 hartrees
Energy at 0K-517.196513
Energy at 298.15K 
HF Energy-517.196513
Nuclear repulsion energy50.201306
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 PBE1PBE/6-311+G(3df,2p)
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 3522 3522 0.76      
2 A1 2039 2039 2589.48      
3 A1 1110 1110 116.78      
4 A1 203 203 55.14      
5 E 3651 3651 24.10      
5 E 3651 3651 24.10      
6 E 1657 1657 25.31      
6 E 1657 1657 25.31      
7 E 903 903 27.60      
7 E 903 903 27.60      
8 E 265 265 14.18      
8 E 265 265 14.17      

Unscaled Zero Point Vibrational Energy (zpe) 9913.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9913.7 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 PBE1PBE/6-311+G(3df,2p)
ABC
6.23234 0.15346 0.15346

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311+G(3df,2p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.847
Cl2 0.000 0.000 1.161
H3 0.000 0.946 -2.207
H4 0.819 -0.473 -2.207
H5 -0.819 -0.473 -2.207
H6 0.000 0.000 -0.192

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N13.00791.01201.01201.01201.6553
Cl23.00793.49823.49823.49821.3527
H31.01203.49821.63821.63822.2262
H41.01203.49821.63821.63832.2262
H51.01203.49821.63821.63832.2262
H61.65531.35272.22622.22622.2262

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 108.072
H3 N1 H5 108.072 H3 N1 H6 110.837
H4 N1 H5 108.072 H4 N1 H6 110.837
H5 N1 H6 110.837
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.469      
2 Cl -0.473      
3 H 0.173      
4 H 0.173      
5 H 0.173      
6 H 0.422      


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 -4.950 4.950
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.345 0.000 0.000
y 0.000 -20.345 0.000
z 0.000 0.000 -15.492
Traceless
 xyz
x -2.426 0.000 0.000
y 0.000 -2.426 0.000
z 0.000 0.000 4.852
Polar
3z2-r29.704
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 4.012 0.000 0.000
y 0.000 4.012 0.000
z 0.000 0.000 6.454


<r2> (average value of r2) Å2
<r2> 75.822
(<r2>)1/2 8.708