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

using model chemistry: PBEPBEultrafine/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-517.160366
Energy at 298.15K 
HF Energy-517.160366
Nuclear repulsion energy50.086055
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/cc-pVTZ
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 3397 3374 0.82      
2 A1 1852 1840 2614.09      
3 A1 1089 1082 58.28      
4 A1 230 228 55.94      
5 E 3524 3500 17.83      
5 E 3524 3500 17.83      
6 E 1613 1602 22.45      
6 E 1613 1602 22.45      
7 E 920 913 29.00      
7 E 920 913 29.00      
8 E 259 257 14.76      
8 E 259 257 14.76      

Unscaled Zero Point Vibrational Energy (zpe) 9599.8 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 9533.6 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/cc-pVTZ
ABC
6.14342 0.15421 0.15421

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.839
Cl2 0.000 0.000 1.160
H3 0.000 0.953 -2.206
H4 0.825 -0.476 -2.206
H5 -0.825 -0.476 -2.206
H6 0.000 0.000 -0.223

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N12.99821.02111.02111.02111.6161
Cl22.99823.49793.49793.49791.3822
H31.02113.49791.65011.65012.2005
H41.02113.49791.65011.65012.2005
H51.02113.49791.65011.65012.2005
H61.61611.38222.20052.20052.2005

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 107.802
H3 N1 H5 107.802 H3 N1 H6 111.093
H4 N1 H5 107.802 H4 N1 H6 111.093
H5 N1 H6 111.093
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.306      
2 Cl -0.376      
3 H 0.161      
4 H 0.161      
5 H 0.161      
6 H 0.198      


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 -5.401 5.401
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.183 0.000 0.000
y 0.000 -20.183 0.000
z 0.000 0.000 -15.048
Traceless
 xyz
x -2.568 0.000 0.000
y 0.000 -2.568 0.000
z 0.000 0.000 5.135
Polar
3z2-r210.270
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 3.197 0.000 0.000
y 0.000 3.197 0.000
z 0.000 0.000 5.923


<r2> (average value of r2) Å2
<r2> 75.433
(<r2>)1/2 8.685