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All results from a given calculation for NH3 (Ammonia)

using model chemistry: TPSSh/TZVP

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/TZVP
 hartrees
Energy at 0K-56.578955
Energy at 298.15K-56.581614
HF Energy-56.578955
Nuclear repulsion energy11.913271
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/TZVP
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 3453 3328 0.89 127.25 0.06 0.11
2 A1 1046 1008 187.93 2.74 0.00 0.00
3 E 3581 3451 0.18 52.46 0.75 0.86
3 E 3581 3451 0.18 52.46 0.75 0.86
4 E 1684 1623 19.93 8.47 0.75 0.86
4 E 1684 1623 19.92 8.47 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7514.6 cm-1
Scaled (by 0.9637) Zero Point Vibrational Energy (zpe) 7241.8 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/TZVP
ABC
9.93179 9.93179 6.26492

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.113
H2 0.000 0.943 -0.263
H3 0.817 -0.472 -0.263
H4 -0.817 -0.472 -0.263

Atom - Atom Distances (Å)
  N1 H2 H3 H4
N11.01561.01561.0156
H21.01561.63401.6340
H31.01561.63401.6340
H41.01561.63401.6340

picture of Ammonia state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 N1 H3 107.108 H2 N1 H4 107.108
H3 N1 H4 107.108
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.602      
2 H 0.201      
3 H 0.201      
4 H 0.201      


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 -1.770 1.770
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 1.584 0.000 0.000
y 0.000 1.584 0.000
z 0.000 0.000 1.376


<r2> (average value of r2) Å2
<r2> 7.480
(<r2>)1/2 2.735