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

using model chemistry: B2PLYP/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 B2PLYP/cc-pVDZ
 hartrees
Energy at 0K-517.168656
Energy at 298.15K 
HF Energy-517.057773
Nuclear repulsion energy49.337256
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 B2PLYP/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 3471 3324 2.22      
2 A1 2283 2187 2026.53      
3 A1 1150 1101 76.33      
4 A1 212 203 30.53      
5 E 3602 3449 12.13      
5 E 3602 3449 12.13      
6 E 1667 1596 15.90      
6 E 1667 1596 15.90      
7 E 839 804 56.41      
7 E 839 804 56.41      
8 E 239 229 19.05      
8 E 239 229 19.05      

Unscaled Zero Point Vibrational Energy (zpe) 9904.5 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 9485.6 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 B2PLYP/cc-pVDZ
ABC
6.25667 0.14645 0.14645

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.887
Cl2 0.000 0.000 1.188
H3 0.000 0.944 -2.279
H4 0.818 -0.472 -2.279
H5 -0.818 -0.472 -2.279
H6 0.000 0.000 -0.157

Atom - Atom Distances (Å)
  N1 Cl2 H3 H4 H5 H6
N13.07571.02201.02201.02201.7297
Cl23.07573.59363.59363.59361.3460
H31.02203.59361.63511.63512.3220
H41.02203.59361.63511.63512.3220
H51.02203.59361.63511.63512.3220
H61.72971.34602.32202.32202.3220

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 106.240
H3 N1 H5 106.240 H3 N1 H6 112.536
H4 N1 H5 106.240 H4 N1 H6 112.536
H5 N1 H6 112.536
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.190      
2 Cl -0.334      
3 H 0.110      
4 H 0.110      
5 H 0.110      
6 H 0.195      


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 -5.182 5.182
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.913 0.000 0.000
y 0.000 -19.913 0.000
z 0.000 0.000 -14.421
Traceless
 xyz
x -2.746 0.000 0.000
y 0.000 -2.746 0.000
z 0.000 0.000 5.492
Polar
3z2-r210.984
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 2.288 0.000 0.000
y 0.000 2.288 0.000
z 0.000 0.000 4.537


<r2> (average value of r2) Å2
<r2> 78.515
(<r2>)1/2 8.861