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

using model chemistry: HSEh1PBE/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 HSEh1PBE/cc-pVDZ
 hartrees
Energy at 0K-517.184072
Energy at 298.15K 
HF Energy-517.184072
Nuclear repulsion energy50.006597
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 HSEh1PBE/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 3488 3355 4.76      
2 A1 2077 1998 2548.76      
3 A1 1133 1090 69.06      
4 A1 232 224 46.84      
5 E 3624 3486 21.09      
5 E 3624 3486 21.08      
6 E 1651 1588 18.43      
6 E 1651 1588 18.42      
7 E 912 877 53.23      
7 E 912 877 53.23      
8 E 252 243 17.87      
8 E 252 243 17.87      

Unscaled Zero Point Vibrational Energy (zpe) 9904.1 cm-1
Scaled (by 0.9619) Zero Point Vibrational Energy (zpe) 9526.8 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 HSEh1PBE/cc-pVDZ
ABC
6.23299 0.15297 0.15297

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.844
Cl2 0.000 0.000 1.164
H3 0.000 0.946 -2.227
H4 0.819 -0.473 -2.227
H5 -0.819 -0.473 -2.227
H6 0.000 0.000 -0.203

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N13.00801.02061.02061.02061.6411
Cl23.00803.52093.52093.52091.3669
H31.02063.52091.63821.63822.2346
H41.02063.52091.63821.63822.2346
H51.02063.52091.63821.63822.2346
H61.64111.36692.23462.23462.2346

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 106.754
H3 N1 H5 106.754 H3 N1 H6 112.068
H4 N1 H5 106.754 H4 N1 H6 112.068
H5 N1 H6 112.068
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.199      
2 Cl -0.374      
3 H 0.121      
4 H 0.121      
5 H 0.121      
6 H 0.210      


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 -5.567 5.567
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.789 0.000 0.000
y 0.000 -19.789 0.000
z 0.000 0.000 -14.330
Traceless
 xyz
x -2.729 0.000 0.000
y 0.000 -2.729 0.000
z 0.000 0.000 5.459
Polar
3z2-r210.917
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 2.281 0.000 0.000
y 0.000 2.281 0.000
z 0.000 0.000 4.644


<r2> (average value of r2) Å2
<r2> 75.669
(<r2>)1/2 8.699