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

using model chemistry: BLYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at BLYP/3-21G
 hartrees
Energy at 0K-514.805634
Energy at 298.15K 
HF Energy-514.805634
Nuclear repulsion energy50.319486
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 BLYP/3-21G
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 3270 3252 4.07      
2 A1 1225 1218 1153.97      
3 A1 1160 1153 2043.06      
4 A1 411 409 4.97      
5 E 3403 3384 29.60      
5 E 3403 3384 29.60      
6 E 1686 1677 23.91      
6 E 1686 1677 23.91      
7 E 1340 1332 97.99      
7 E 1340 1332 97.99      
8 E 339 337 7.46      
8 E 339 337 7.46      

Unscaled Zero Point Vibrational Energy (zpe) 9800.1 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 9746.2 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 BLYP/3-21G
ABC
5.77677 0.16161 0.16161

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.791
Cl2 0.000 0.000 1.139
H3 0.000 0.982 -2.117
H4 0.851 -0.491 -2.117
H5 -0.851 -0.491 -2.117
H6 0.000 0.000 -0.475

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N12.92931.03521.03521.03521.3151
Cl22.92933.40083.40083.40081.6143
H31.03523.40081.70161.70161.9131
H41.03523.40081.70161.70161.9131
H51.03523.40081.70161.70161.9131
H61.31511.61431.91311.91311.9131

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 110.539
H3 N1 H5 110.539 H3 N1 H6 108.381
H4 N1 H5 110.539 H4 N1 H6 108.381
H5 N1 H6 108.381
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.691      
2 Cl -0.545      
3 H 0.332      
4 H 0.332      
5 H 0.332      
6 H 0.239      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -8.615 8.615
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.959 0.000 0.000
y 0.000 -19.959 0.000
z 0.000 0.000 -13.910
Traceless
 xyz
x -3.024 0.000 0.000
y 0.000 -3.024 0.000
z 0.000 0.000 6.049
Polar
3z2-r212.098
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.571 0.000 0.000
y 0.000 1.571 0.000
z 0.000 0.000 4.485


<r2> (average value of r2) Å2
<r2> 72.262
(<r2>)1/2 8.501