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

using model chemistry: QCISD/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/aug-cc-pVDZ
 hartrees
Energy at 0K-516.702006
Energy at 298.15K 
HF Energy-516.306659
Nuclear repulsion energy48.570596
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/aug-cc-pVDZ
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 3464 3356 0.18      
2 A1 2484 2407 1489.27      
3 A1 1144 1108 115.51      
4 A1 172 167 21.13      
5 E 3599 3486 9.10      
5 E 3599 3486 9.10      
6 E 1657 1605 17.53      
6 E 1657 1605 17.53      
7 E 727 704 35.30      
7 E 727 704 35.30      
8 E 217 211 16.16      
8 E 217 211 16.16      

Unscaled Zero Point Vibrational Energy (zpe) 9832.3 cm-1
Scaled (by 0.9687) Zero Point Vibrational Energy (zpe) 9524.6 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/aug-cc-pVDZ
ABC
6.23419 0.13893 0.13893

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

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 1.218
H3 0.000 0.946 -2.330
H4 0.819 -0.473 -2.330
H5 -0.819 -0.473 -2.330
H6 0.000 0.000 -0.108

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N13.16261.02121.02121.02121.8365
Cl23.16263.67193.67193.67191.3261
H31.02123.67191.63801.63802.4148
H41.02123.67191.63801.63802.4148
H51.02123.67191.63801.63802.4148
H61.83651.32612.41482.41482.4148

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 106.644
H3 N1 H5 106.644 H3 N1 H6 112.169
H4 N1 H5 106.644 H4 N1 H6 112.169
H5 N1 H6 112.169
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability