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

using model chemistry: QCISD(TQ)/6-311+G(3df,2p)

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)/6-311+G(3df,2p)
 hartrees
Energy at 0K-516.812009
Energy at 298.15K 
HF Energy-516.326739
Nuclear repulsion energy48.742940
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)/6-311+G(3df,2p)
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 3491 3491 0.00      
2 A1 2489 2489 0.00      
3 A1 1120 1120 0.00      
4 A1 175 175 0.00      
5 E 3617 3617 0.00      
5 E 3617 3617 0.00      
6 E 1674 1674 0.00      
6 E 1674 1674 0.00      
7 E 724 724 0.00      
7 E 724 724 0.00      
8 E 216 216 0.00      
8 E 216 216 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 9868.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9868.2 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 QCISD(TQ)/6-311+G(3df,2p)
ABC
6.27717 0.13928 0.13928

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(TQ)/6-311+G(3df,2p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.945
Cl2 0.000 0.000 1.216
H3 0.000 0.942 -2.320
H4 0.816 -0.471 -2.320
H5 -0.816 -0.471 -2.320
H6 0.000 0.000 -0.097

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N13.16081.01421.01421.01421.8482
Cl23.16083.65913.65913.65911.3126
H31.01423.65911.63241.63242.4145
H41.01423.65911.63241.63242.4145
H51.01423.65911.63241.63242.4145
H61.84821.31262.41452.41452.4145

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 107.169
H3 N1 H5 107.169 H3 N1 H6 111.685
H4 N1 H5 107.169 H4 N1 H6 111.685
H5 N1 H6 111.685
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability