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-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 B3LYP/daug-cc-pVTZ
 hartrees
Energy at 0K-517.446892
Energy at 298.15K 
HF Energy-517.446892
Nuclear repulsion energy49.504119
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-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 3470 3470 0.26      
2 A1 2128 2128 2206.88      
3 A1 1105 1105 119.34      
4 A1 190 190 38.68      
5 E 3591 3591 18.87      
5 E 3591 3591 18.87      
6 E 1659 1659 22.52      
6 E 1659 1659 22.52      
7 E 826 826 27.14      
7 E 826 826 27.14      
8 E 250 250 13.27      
8 E 250 250 13.27      

Unscaled Zero Point Vibrational Energy (zpe) 9771.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9771.1 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 B3LYP/daug-cc-pVTZ
ABC
6.22006 0.14710 0.14710

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.890
Cl2 0.000 0.000 1.185
H3 0.000 0.947 -2.251
H4 0.820 -0.473 -2.251
H5 -0.820 -0.473 -2.251
H6 0.000 0.000 -0.162

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N13.07481.01331.01331.01331.7281
Cl23.07483.56383.56383.56381.3467
H31.01333.56381.63991.63992.2936
H41.01333.56381.63991.63992.2936
H51.01333.56381.63991.63992.2936
H61.72811.34672.29362.29362.2936

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 108.036
H3 N1 H5 108.036 H3 N1 H6 110.871
H4 N1 H5 108.036 H4 N1 H6 110.871
H5 N1 H6 110.871
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.163      
2 Cl -0.722      
3 H 0.141      
4 H 0.141      
5 H 0.141      
6 H 0.461      


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 -4.697 4.697
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.489 0.000 0.000
y 0.000 -20.489 0.000
z 0.000 0.000 -15.740
Traceless
 xyz
x -2.374 0.000 0.000
y 0.000 -2.374 0.000
z 0.000 0.000 4.748
Polar
3z2-r29.497
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 4.463 0.000 0.000
y 0.000 4.463 0.000
z 0.000 0.000 6.781


<r2> (average value of r2) Å2
<r2> 78.592
(<r2>)1/2 8.865