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

using model chemistry: MP2=FULL/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP2=FULL/STO-3G
 hartrees
Energy at 0K-510.690728
Energy at 298.15K 
HF Energy-510.619149
Nuclear repulsion energy51.168984
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 MP2=FULL/STO-3G
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 3617 3215 0.18      
2 A1 2287 2032 3985.21      
3 A1 1417 1260 1.86      
4 A1 431 383 67.77      
5 E 3878 3448 3.21      
5 E 3878 3448 3.21      
6 E 1897 1686 5.83      
6 E 1897 1686 5.83      
7 E 1318 1172 117.85      
7 E 1318 1172 117.85      
8 E 397 353 18.31      
8 E 397 353 18.31      

Unscaled Zero Point Vibrational Energy (zpe) 11366.4 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 10103.5 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 MP2=FULL/STO-3G
ABC
5.97075 0.16841 0.16841

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.738
Cl2 0.000 0.000 1.114
H3 0.000 0.966 -2.153
H4 0.837 -0.483 -2.153
H5 -0.837 -0.483 -2.153
H6 0.000 0.000 -0.317

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N12.85221.05181.05181.05181.4206
Cl22.85223.40753.40753.40751.4316
H31.05183.40751.67381.67382.0748
H41.05183.40751.67381.67382.0748
H51.05183.40751.67381.67382.0748
H61.42061.43162.07482.07482.0748

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 105.431
H3 N1 H5 105.431 H3 N1 H6 113.260
H4 N1 H5 105.431 H4 N1 H6 113.260
H5 N1 H6 113.260
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability