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

using model chemistry: CCD/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 CCD/3-21G*
 hartrees
Energy at 0K-514.156116
Energy at 298.15K 
HF Energy-513.875791
Nuclear repulsion energy50.444324
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 CCD/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 3393 3245 3.66      
2 A1 1736 1660 2651.00      
3 A1 1197 1145 210.65      
4 A1 258 247 84.56      
5 E 3528 3374 7.52      
5 E 3528 3374 7.52      
6 E 1771 1694 24.80      
6 E 1771 1694 24.80      
7 E 1097 1049 98.60      
7 E 1097 1049 98.60      
8 E 336 321 17.26      
8 E 336 321 17.26      

Unscaled Zero Point Vibrational Energy (zpe) 10022.9 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 9586.9 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 CCD/3-21G*
ABC
5.93006 0.15781 0.15781

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.824
Cl2 0.000 0.000 1.145
H3 0.000 0.970 -2.155
H4 0.840 -0.485 -2.155
H5 -0.840 -0.485 -2.155
H6 0.000 0.000 -0.231

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N12.96901.02481.02481.02481.5930
Cl22.96903.44003.44003.44001.3761
H31.02483.44001.67951.67952.1549
H41.02483.44001.67951.67952.1549
H51.02483.44001.67951.67952.1549
H61.59301.37612.15492.15492.1549

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 110.061
H3 N1 H5 110.061 H3 N1 H6 108.875
H4 N1 H5 110.061 H4 N1 H6 108.875
H5 N1 H6 108.875
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability