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

using model chemistry: PBEPBE/daug-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 PBEPBE/daug-cc-pVTZ
 hartrees
Energy at 0K-517.164033
Energy at 298.15K 
HF Energy-517.164033
Nuclear repulsion energy50.214773
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 PBEPBE/daug-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 3394 3394 0.24      
2 A1 1788 1788 2829.09      
3 A1 1090 1090 62.82      
4 A1 228 228 67.83      
5 E 3519 3519 22.12      
5 E 3519 3519 22.12      
6 E 1609 1609 23.09      
6 E 1609 1609 23.08      
7 E 933 933 20.45      
7 E 933 933 20.45      
8 E 269 269 10.91      
8 E 269 269 10.90      

Unscaled Zero Point Vibrational Energy (zpe) 9580.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9580.1 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 PBEPBE/daug-cc-pVTZ
ABC
6.13153 0.15556 0.15556

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.830
Cl2 0.000 0.000 1.155
H3 0.000 0.954 -2.196
H4 0.826 -0.477 -2.196
H5 -0.826 -0.477 -2.196
H6 0.000 0.000 -0.234

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N12.98491.02121.02121.02121.5964
Cl22.98493.48333.48333.48331.3885
H31.02123.48331.65171.65172.1812
H41.02123.48331.65171.65172.1812
H51.02123.48331.65171.65172.1812
H61.59641.38852.18122.18122.1812

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 107.938
H3 N1 H5 107.938 H3 N1 H6 110.964
H4 N1 H5 107.938 H4 N1 H6 110.964
H5 N1 H6 110.964
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.049      
2 Cl -0.754      
3 H 0.123      
4 H 0.123      
5 H 0.123      
6 H 0.436      


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 -5.280 5.280
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.567 0.000 0.000
y 0.000 -20.567 0.000
z 0.000 0.000 -15.586
Traceless
 xyz
x -2.491 0.000 0.000
y 0.000 -2.491 0.000
z 0.000 0.000 4.981
Polar
3z2-r29.963
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 4.662 0.000 0.000
y 0.000 4.662 0.000
z 0.000 0.000 7.353


<r2> (average value of r2) Å2
<r2> 75.168
(<r2>)1/2 8.670