return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: QCISD(TQ)=FULL/aug-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 QCISD(TQ)=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-516.722384
Energy at 298.15K 
HF Energy-516.306301
Nuclear repulsion energy48.828950
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 QCISD(TQ)=FULL/aug-cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at QCISD(TQ)=FULL/aug-cc-pVDZ
ABC
6.22029 0.14152 0.14152

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(TQ)=FULL/aug-cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.925
Cl2 0.000 0.000 1.208
H3 0.000 0.947 -2.311
H4 0.820 -0.473 -2.311
H5 -0.820 -0.473 -2.311
H6 0.000 0.000 -0.124

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N13.13221.02241.02241.02241.8009
Cl23.13223.64343.64343.64341.3313
H31.02243.64341.63981.63982.3830
H41.02243.64341.63981.63982.3830
H51.02243.64341.63981.63982.3830
H61.80091.33132.38302.38302.3830

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 106.631
H3 N1 H5 106.631 H3 N1 H6 112.181
H4 N1 H5 106.631 H4 N1 H6 112.181
H5 N1 H6 112.181
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability