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

using model chemistry: CISD/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at CISD/cc-pVTZ
 hartrees
Energy at 0K-516.760166
Energy at 298.15K 
HF Energy-516.334573
Nuclear repulsion energy48.759409
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 CISD/cc-pVTZ
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 3592 3340 1.03      
2 A1 2625 2440 1293.62      
3 A1 1154 1073 141.92      
4 A1 168 156 15.89      
5 E 3720 3459 14.37      
5 E 3720 3459 14.37      
6 E 1721 1600 20.70      
6 E 1721 1600 20.70      
7 E 711 661 47.54      
7 E 711 661 47.54      
8 E 214 199 19.44      
8 E 214 199 19.44      

Unscaled Zero Point Vibrational Energy (zpe) 10135.6 cm-1
Scaled (by 0.9298) Zero Point Vibrational Energy (zpe) 9424.1 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 CISD/cc-pVTZ
ABC
6.37100 0.13813 0.13813

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.956
Cl2 0.000 0.000 1.220
H3 0.000 0.935 -2.325
H4 0.810 -0.468 -2.325
H5 -0.810 -0.468 -2.325
H6 0.000 0.000 -0.081

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N13.17611.00571.00571.00571.8747
Cl23.17613.66653.66653.66651.3013
H31.00573.66651.62031.62032.4310
H41.00573.66651.62031.62032.4310
H51.00573.66651.62031.62032.4310
H61.87471.30132.43102.43102.4310

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 107.335
H3 N1 H5 107.335 H3 N1 H6 111.531
H4 N1 H5 107.335 H4 N1 H6 111.531
H5 N1 H6 111.531
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability