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

using model chemistry: PBEPBEultrafine/aug-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/aug-cc-pVDZ
 hartrees
Energy at 0K-517.132612
Energy at 298.15K 
HF Energy-517.132612
Nuclear repulsion energy50.328501
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/aug-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 3381 3360 0.27      
2 A1 1674 1664 3058.64      
3 A1 1093 1087 34.74      
4 A1 243 242 82.15      
5 E 3519 3497 22.09      
5 E 3519 3497 22.09      
6 E 1581 1571 22.63      
6 E 1581 1571 22.63      
7 E 973 967 20.30      
7 E 973 967 20.30      
8 E 277 275 11.45      
8 E 277 275 11.45      

Unscaled Zero Point Vibrational Energy (zpe) 9544.9 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 9486.7 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/aug-cc-pVDZ
ABC
6.11530 0.15760 0.15760

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.814
Cl2 0.000 0.000 1.149
H3 0.000 0.955 -2.188
H4 0.827 -0.477 -2.188
H5 -0.827 -0.477 -2.188
H6 0.000 0.000 -0.264

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N12.96271.02541.02541.02541.5506
Cl22.96273.47033.47033.47031.4121
H31.02543.47031.65391.65392.1482
H41.02543.47031.65391.65392.1482
H51.02543.47031.65391.65392.1482
H61.55061.41212.14822.14822.1482

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 107.504
H3 N1 H5 107.504 H3 N1 H6 111.374
H4 N1 H5 107.504 H4 N1 H6 111.374
H5 N1 H6 111.374
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.052      
2 Cl -0.388      
3 H 0.018      
4 H 0.018      
5 H 0.018      
6 H 0.386      


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 -5.591 5.591
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.669 0.000 0.000
y 0.000 -20.669 0.000
z 0.000 0.000 -15.414
Traceless
 xyz
x -2.628 0.000 0.000
y 0.000 -2.628 0.000
z 0.000 0.000 5.255
Polar
3z2-r210.510
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 4.311 0.000 0.000
y 0.000 4.311 0.000
z 0.000 0.000 7.271


<r2> (average value of r2) Å2
<r2> 74.442
(<r2>)1/2 8.628