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

using model chemistry: CISD/6-31G*

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/6-31G*
 hartrees
Energy at 0K-516.566034
Energy at 298.15K 
HF Energy-516.257273
Nuclear repulsion energy48.632324
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/6-31G*
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 3549 3286 3.45      
2 A1 2577 2386 1161.77      
3 A1 1240 1148 154.65      
4 A1 196 182 13.77      
5 E 3683 3410 8.24      
5 E 3683 3410 8.24      
6 E 1765 1634 27.62      
6 E 1765 1634 27.62      
7 E 741 686 103.41      
7 E 741 686 103.41      
8 E 248 230 23.47      
8 E 248 230 23.47      

Unscaled Zero Point Vibrational Energy (zpe) 10217.9 cm-1
Scaled (by 0.9258) Zero Point Vibrational Energy (zpe) 9459.7 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 CISD/6-31G*
ABC
6.28846 0.13832 0.13832

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.951
Cl2 0.000 0.000 1.220
H3 0.000 0.942 -2.330
H4 0.815 -0.471 -2.330
H5 -0.815 -0.471 -2.330
H6 0.000 0.000 -0.091

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N13.17151.01491.01491.01491.8603
Cl23.17153.67293.67293.67291.3111
H31.01493.67291.63091.63092.4290
H41.01493.67291.63091.63092.4290
H51.01493.67291.63091.63092.4290
H61.86031.31112.42902.42902.4290

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 106.927
H3 N1 H5 106.927 H3 N1 H6 111.909
H4 N1 H5 106.927 H4 N1 H6 111.909
H5 N1 H6 111.909
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability