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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/daug-cc-pVDZ
 hartrees
Energy at 0K-517.133171
Energy at 298.15K 
HF Energy-517.133171
Nuclear repulsion energy50.296347
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/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 3379 3379 0.18      
2 A1 1676 1676 3022.62      
3 A1 1097 1097 34.93      
4 A1 242 242 80.79      
5 E 3516 3516 21.50      
5 E 3516 3516 21.49      
6 E 1584 1584 22.63      
6 E 1584 1584 22.62      
7 E 967 967 20.32      
7 E 967 967 20.32      
8 E 269 269 10.86      
8 E 269 269 10.86      

Unscaled Zero Point Vibrational Energy (zpe) 9533.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9533.7 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/daug-cc-pVDZ
ABC
6.11612 0.15725 0.15725

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.816
Cl2 0.000 0.000 1.150
H3 0.000 0.955 -2.190
H4 0.827 -0.477 -2.190
H5 -0.827 -0.477 -2.190
H6 0.000 0.000 -0.259

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N12.96611.02551.02551.02551.5570
Cl22.96613.47403.47403.47401.4091
H31.02553.47401.65371.65372.1543
H41.02553.47401.65371.65372.1543
H51.02553.47401.65371.65372.1543
H61.55701.40912.15432.15432.1543

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 107.478
H3 N1 H5 107.478 H3 N1 H6 111.397
H4 N1 H5 107.478 H4 N1 H6 111.397
H5 N1 H6 111.397
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -1.031      
2 Cl -0.073      
3 H 0.244      
4 H 0.244      
5 H 0.244      
6 H 0.373      


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 -5.544 5.544
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.675 0.000 0.000
y 0.000 -20.675 0.000
z 0.000 0.000 -15.410
Traceless
 xyz
x -2.633 0.000 0.000
y 0.000 -2.633 0.000
z 0.000 0.000 5.265
Polar
3z2-r210.531
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 4.694 0.000 0.000
y 0.000 4.694 0.000
z 0.000 0.000 7.452


<r2> (average value of r2) Å2
<r2> 74.580
(<r2>)1/2 8.636