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

using model chemistry: HF/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 HF/cc-pVDZ
 hartrees
Energy at 0K-516.298574
Energy at 298.15K 
HF Energy-516.298574
Nuclear repulsion energy47.832244
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 HF/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 3678 3340 3.21 110.38 0.03 0.05
2 A1 2790 2534 1040.26 320.74 0.37 0.54
3 A1 1234 1120 150.31 0.68 0.00 0.00
4 A1 165 149 10.10 0.26 0.43 0.60
5 E 3802 3452 10.67 61.65 0.75 0.86
5 E 3802 3452 10.67 61.65 0.75 0.86
6 E 1789 1625 18.92 7.34 0.75 0.86
6 E 1789 1625 18.92 7.34 0.75 0.86
7 E 675 613 83.11 2.73 0.75 0.86
7 E 675 613 83.11 2.73 0.75 0.86
8 E 222 202 19.09 3.95 0.75 0.86
8 E 222 202 19.09 3.95 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10421.2 cm-1
Scaled (by 0.908) Zero Point Vibrational Energy (zpe) 9462.4 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 HF/cc-pVDZ
ABC
6.41028 0.13027 0.13027

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -2.016
Cl2 0.000 0.000 1.256
H3 0.000 0.933 -2.398
H4 0.808 -0.466 -2.398
H5 -0.808 -0.466 -2.398
H6 0.000 0.000 -0.046

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N13.27141.00801.00801.00801.9695
Cl23.27143.77093.77093.77091.3019
H31.00803.77091.61541.61542.5301
H41.00803.77091.61541.61542.5301
H51.00803.77091.61541.61542.5301
H61.96951.30192.53012.53012.5301

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 106.507
H3 N1 H5 106.507 H3 N1 H6 112.294
H4 N1 H5 106.507 H4 N1 H6 112.294
H5 N1 H6 112.294
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.255      
2 Cl -0.290      
3 H 0.109      
4 H 0.109      
5 H 0.109      
6 H 0.218      


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 -4.492 4.492
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.916 0.000 0.000
y 0.000 -19.916 0.000
z 0.000 0.000 -14.422
Traceless
 xyz
x -2.747 0.000 0.000
y 0.000 -2.747 0.000
z 0.000 0.000 5.494
Polar
3z2-r210.988
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 2.227 0.000 0.000
y 0.000 2.227 0.000
z 0.000 0.000 3.861


<r2> (average value of r2) Å2
<r2> 86.405
(<r2>)1/2 9.295