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

using model chemistry: CID/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at CID/3-21G
 hartrees
Energy at 0K-513.953623
Energy at 298.15K 
HF Energy-513.778269
Nuclear repulsion energy50.428084
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 CID/3-21G
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 3430 3196 24.87      
2 A1 1584 1476 3944.21      
3 A1 1431 1333 72.43      
4 A1 388 362 154.42      
5 E 3543 3300 64.81      
5 E 3543 3300 64.81      
6 E 1784 1662 11.68      
6 E 1784 1662 11.68      
7 E 1615 1504 143.96      
7 E 1615 1504 143.96      
8 E 364 340 2.95      
8 E 364 340 2.95      

Unscaled Zero Point Vibrational Energy (zpe) 10722.3 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 9988.9 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 CID/3-21G
ABC
5.89367 0.16162 0.16162

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/3-21G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.784
Cl2 0.000 0.000 1.143
H3 0.000 0.973 -2.108
H4 0.842 -0.486 -2.108
H5 -0.842 -0.486 -2.108
H6 0.000 0.000 -0.620

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N12.92721.02511.02511.02511.1637
Cl22.92723.39313.39313.39311.7634
H31.02513.39311.68471.68471.7771
H41.02513.39311.68471.68471.7771
H51.02513.39311.68471.68471.7771
H61.16371.76341.77711.77711.7771

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 110.520
H3 N1 H5 110.520 H3 N1 H6 108.401
H4 N1 H5 110.520 H4 N1 H6 108.401
H5 N1 H6 108.401
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability