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

using model chemistry: PBEPBEultrafine/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes TD 2A1
Energy calculated at PBEPBEultrafine/cc-pVDZ
 hartrees
Energy at 0K-56.964309
Energy at 298.15K 
HF Energy-56.964309
Nuclear repulsion energy15.401740
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 PBEPBEultrafine/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 2600 2585 0.00 1690.59 0.00 0.00
2 E 1331 1323 0.00 680.80 0.75 0.86
2 E 1331 1323 0.00 680.80 0.75 0.86
3 T2 2159 2147 2050.61 3930.35 0.75 0.86
3 T2 2159 2147 2050.61 3930.35 0.75 0.86
3 T2 2159 2147 2050.61 3930.35 0.75 0.86
4 T2 899 894 257.49 1299.25 0.75 0.86
4 T2 899 894 257.49 1299.25 0.75 0.86
4 T2 899 894 257.49 1299.25 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7217.6 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 7175.7 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 PBEPBEultrafine/cc-pVDZ
ABC
5.29624 5.29624 5.29624

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

Point Group is Td

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.000
H2 0.628 0.628 0.628
H3 -0.628 -0.628 0.628
H4 -0.628 0.628 -0.628
H5 0.628 -0.628 -0.628

Atom - Atom Distances (Å)
  N1 H2 H3 H4 H5
N11.08831.08831.08831.0883
H21.08831.77711.77711.7771
H31.08831.77711.77711.7771
H41.08831.77711.77711.7771
H51.08831.77711.77711.7771

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 PBEPBEultrafine/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.243      
2 H -0.061      
3 H -0.061      
4 H -0.061      
5 H -0.061      


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
Primitive
 xyz
x -10.453 0.000 0.000
y 0.000 -10.453 0.000
z 0.000 0.000 -10.453
Traceless
 xyz
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000
Polar
3z2-r20.000
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 7.251 0.000 0.000
y 0.000 7.251 0.000
z 0.000 0.000 7.251


<r2> (average value of r2) Å2
<r2> 11.266
(<r2>)1/2 3.357