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All results from a given calculation for NH3 (Ammonia)

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 C3V 1A1
Energy calculated at TPSSh/cc-pVTZ
 hartrees
Energy at 0K-56.579689
Energy at 298.15K-56.582356
HF Energy-56.579689
Nuclear repulsion energy11.912658
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 3438 3329 3.78 132.12 0.04 0.08
2 A1 1095 1060 131.48 4.63 0.08 0.14
3 E 3555 3443 0.00 46.37 0.75 0.86
3 E 3555 3443 0.00 46.36 0.75 0.86
4 E 1687 1633 14.61 4.78 0.75 0.86
4 E 1687 1633 14.62 4.78 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7508.4 cm-1
Scaled (by 0.9683) Zero Point Vibrational Energy (zpe) 7270.4 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
9.84007 9.84007 6.35482

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.118
H2 0.000 0.937 -0.276
H3 0.811 -0.468 -0.276
H4 -0.811 -0.468 -0.276

Atom - Atom Distances (Å)
  N1 H2 H3 H4
N11.01631.01631.0163
H21.01631.62241.6224
H31.01631.62241.6224
H41.01631.62241.6224

picture of Ammonia state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 N1 H3 105.909 H2 N1 H4 105.909
H3 N1 H4 105.909
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 -0.432      
2 H 0.144      
3 H 0.144      
4 H 0.144      


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 -1.589 1.589
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 1.733 0.000 0.000
y 0.000 1.733 0.000
z 0.000 0.000 1.518


<r2> (average value of r2) Å2
<r2> 7.407
(<r2>)1/2 2.721