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

using model chemistry: wB97X-D/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at wB97X-D/TZVP
 hartrees
Energy at 0K-517.392526
Energy at 298.15K 
HF Energy-517.392526
Nuclear repulsion energy49.571186
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 wB97X-D/TZVP
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 3519 3360 1.69      
2 A1 2112 2017 2191.75      
3 A1 1117 1067 161.62      
4 A1 194 185 41.31      
5 E 3650 3486 17.77      
5 E 3650 3486 17.82      
6 E 1669 1594 29.33      
6 E 1669 1594 29.36      
7 E 838 800 67.35      
7 E 838 800 67.34      
8 E 246 235 16.04      
8 E 246 235 16.05      

Unscaled Zero Point Vibrational Energy (zpe) 9873.9 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 9429.5 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 wB97X-D/TZVP
ABC
6.22009 0.14761 0.14761

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/TZVP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.887
Cl2 0.000 0.000 1.183
H3 0.000 0.947 -2.245
H4 0.820 -0.473 -2.245
H5 -0.820 -0.473 -2.245
H6 0.000 0.000 -0.164

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N13.06981.01221.01221.01221.7227
Cl23.06983.55633.55633.55631.3471
H31.01223.55631.63991.63992.2860
H41.01223.55631.63991.63992.2860
H51.01223.55631.63991.63992.2860
H61.72271.34712.28602.28602.2860

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 108.197
H3 N1 H5 108.197 H3 N1 H6 110.717
H4 N1 H5 108.197 H4 N1 H6 110.717
H5 N1 H6 110.717
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.646      
2 Cl -0.330      
3 H 0.242      
4 H 0.242      
5 H 0.242      
6 H 0.251      


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 -5.152 5.152
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.032 0.000 0.000
y 0.000 -20.032 0.000
z 0.000 0.000 -15.300
Traceless
 xyz
x -2.366 0.000 0.000
y 0.000 -2.366 0.000
z 0.000 0.000 4.732
Polar
3z2-r29.464
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 2.545 0.000 0.000
y 0.000 2.545 0.000
z 0.000 0.000 4.978


<r2> (average value of r2) Å2
<r2> 78.074
(<r2>)1/2 8.836