return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B3LYP/daug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3LYP/daug-cc-pVDZ
 hartrees
Energy at 0K-517.414518
Energy at 298.15K 
HF Energy-517.414518
Nuclear repulsion energy49.693225
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 B3LYP/daug-cc-pVDZ
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 3456 3456 0.30      
2 A1 2011 2011 2492.93      
3 A1 1119 1119 100.08      
4 A1 203 203 50.71      
5 E 3586 3586 18.59      
5 E 3586 3586 18.59      
6 E 1633 1633 22.39      
6 E 1633 1633 22.40      
7 E 875 875 27.20      
7 E 875 875 27.20      
8 E 257 257 13.04      
8 E 257 257 13.04      

Unscaled Zero Point Vibrational Energy (zpe) 9745.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9745.8 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 B3LYP/daug-cc-pVDZ
ABC
6.19998 0.14993 0.14993

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/daug-cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.867
Cl2 0.000 0.000 1.175
H3 0.000 0.948 -2.238
H4 0.821 -0.474 -2.238
H5 -0.821 -0.474 -2.238
H6 0.000 0.000 -0.192

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N13.04231.01821.01821.01821.6748
Cl23.04233.54223.54223.54221.3675
H31.01823.54221.64251.64252.2546
H41.01823.54221.64251.64252.2546
H51.01823.54221.64251.64252.2546
H61.67481.36752.25462.25462.2546

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 107.528
H3 N1 H5 107.528 H3 N1 H6 111.351
H4 N1 H5 107.528 H4 N1 H6 111.351
H5 N1 H6 111.351
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.775      
2 Cl 0.157      
3 H 0.147      
4 H 0.147      
5 H 0.147      
6 H 0.178      


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 -4.986 4.986
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.590 0.000 0.000
y 0.000 -20.590 0.000
z 0.000 0.000 -15.582
Traceless
 xyz
x -2.504 0.000 0.000
y 0.000 -2.504 0.000
z 0.000 0.000 5.008
Polar
3z2-r210.015
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 4.482 0.000 0.000
y 0.000 4.482 0.000
z 0.000 0.000 6.898


<r2> (average value of r2) Å2
<r2> 77.455
(<r2>)1/2 8.801