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All results from a given calculation for NH4 (Ammonium radical)

using model chemistry: TPSSh/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes TD 2A1
Energy calculated at TPSSh/cc-pVTZ
 hartrees
Energy at 0K-57.068644
Energy at 298.15K 
HF Energy-57.068644
Nuclear repulsion energy15.845293
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 TPSSh/cc-pVTZ
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 2797 2709 0.00 8364.58 0.00 0.00
2 E 1494 1447 0.00 3046.55 0.75 0.86
2 E 1494 1447 0.00 3046.55 0.75 0.86
3 T2 2472 2394 3349.96 14409.47 0.75 0.86
3 T2 2472 2394 3349.96 14409.47 0.75 0.86
3 T2 2472 2394 3349.96 14409.47 0.75 0.86
4 T2 1176 1139 22.56 2355.40 0.75 0.86
4 T2 1176 1139 22.56 2355.40 0.75 0.86
4 T2 1176 1139 22.56 2355.40 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8365.6 cm-1
Scaled (by 0.9683) Zero Point Vibrational Energy (zpe) 8100.4 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 TPSSh/cc-pVTZ
ABC
5.60568 5.60568 5.60568

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

Point Group is Td

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.000
H2 0.611 0.611 0.611
H3 -0.611 -0.611 0.611
H4 -0.611 0.611 -0.611
H5 0.611 -0.611 -0.611

Atom - Atom Distances (Å)
  N1 H2 H3 H4 H5
N11.05781.05781.05781.0578
H21.05781.72741.72741.7274
H31.05781.72741.72741.7274
H41.05781.72741.72741.7274
H51.05781.72741.72741.7274

picture of Ammonium radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 N1 H3 109.471 H2 N1 H4 109.471
H2 N1 H5 109.471 H3 N1 H4 109.471
H3 N1 H5 109.471 H4 N1 H5 109.471
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.438      
2 H -0.110      
3 H -0.110      
4 H -0.110      
5 H -0.110      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.946 0.000 0.000
y 0.000 12.946 0.000
z 0.000 0.000 12.946


<r2> (average value of r2) Å2
<r2> 11.730
(<r2>)1/2 3.425