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

using model chemistry: MP3=FULL/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP3=FULL/TZVP
 hartrees
Energy at 0K-516.744501
Energy at 298.15K 
HF Energy-516.320101
Nuclear repulsion energy48.792634
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 MP3=FULL/TZVP
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 3547 3312 0.32      
2 A1 2584 2412 1292.71      
3 A1 1186 1108 147.90      
4 A1 178 166 16.88      
5 E 3672 3428 9.28      
5 E 3672 3428 9.28      
6 E 1670 1559 22.87      
6 E 1670 1559 22.87      
7 E 732 684 71.61      
7 E 732 684 71.61      
8 E 227 212 18.91      
8 E 227 212 18.91      

Unscaled Zero Point Vibrational Energy (zpe) 10047.6 cm-1
Scaled (by 0.9337) Zero Point Vibrational Energy (zpe) 9381.5 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 MP3=FULL/TZVP
ABC
6.33554 0.13933 0.13933

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/TZVP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.944
Cl2 0.000 0.000 1.216
H3 0.000 0.938 -2.322
H4 0.812 -0.469 -2.322
H5 -0.812 -0.469 -2.322
H6 0.000 0.000 -0.094

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N13.15981.01151.01151.01151.8496
Cl23.15983.66023.66023.66021.3101
H31.01153.66021.62491.62492.4173
H41.01153.66021.62491.62492.4173
H51.01153.66021.62491.62492.4173
H61.84961.31012.41732.41732.4173

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 106.877
H3 N1 H5 106.877 H3 N1 H6 111.955
H4 N1 H5 106.878 H4 N1 H6 111.955
H5 N1 H6 111.955
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability