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

using model chemistry: B1B95/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 B1B95/STO-3G
 hartrees
Energy at 0K-511.641535
Energy at 298.15K 
HF Energy-511.641535
Nuclear repulsion energy51.233751
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 B1B95/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 3584 3164 0.70      
2 A1 2255 1991 3334.30      
3 A1 1322 1167 9.63      
4 A1 453 400 21.70      
5 E 3838 3389 10.20      
5 E 3838 3389 10.20      
6 E 1837 1622 10.42      
6 E 1837 1622 10.42      
7 E 1311 1158 113.96      
7 E 1311 1158 113.96      
8 E 390 344 19.47      
8 E 390 344 19.47      

Unscaled Zero Point Vibrational Energy (zpe) 11182.4 cm-1
Scaled (by 0.883) Zero Point Vibrational Energy (zpe) 9874.0 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 B1B95/STO-3G
ABC
5.91201 0.16911 0.16911

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/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 1.112
H3 0.000 0.971 -2.131
H4 0.841 -0.486 -2.131
H5 -0.841 -0.486 -2.131
H6 0.000 0.000 -0.344

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N12.85001.04771.04771.04771.3941
Cl22.85003.38553.38553.38551.4559
H31.04773.38551.68201.68202.0341
H41.04773.38551.68201.68202.0341
H51.04773.38551.68201.68202.0341
H61.39411.45592.03412.03412.0341

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 106.782
H3 N1 H5 106.782 H3 N1 H6 112.043
H4 N1 H5 106.782 H4 N1 H6 112.043
H5 N1 H6 112.043
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.421      
2 Cl -0.480      
3 H 0.230      
4 H 0.230      
5 H 0.230      
6 H 0.212      


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 -7.449 7.449
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.968 0.000 0.000
y 0.000 -17.968 0.000
z 0.000 0.000 -12.078
Traceless
 xyz
x -2.945 0.000 0.000
y 0.000 -2.945 0.000
z 0.000 0.000 5.889
Polar
3z2-r211.779
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 0.821 0.000 0.000
y 0.000 0.821 0.000
z 0.000 0.000 2.409


<r2> (average value of r2) Å2
<r2> 68.737
(<r2>)1/2 8.291