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All results from a given calculation for NH3 (Ammonia)

using model chemistry: B2PLYP=FULL/3-21G*

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=FULL/3-21G*
 hartrees
Energy at 0K-56.143100
Energy at 298.15K-56.145713
HF Energy-56.105745
Nuclear repulsion energy11.854977
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=FULL/3-21G*
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 3426 3426 0.61 106.91 0.11 0.20
2 A1 834 834 267.01 13.89 0.06 0.12
3 E 3579 3579 0.62 44.61 0.75 0.86
3 E 3579 3579 0.62 44.61 0.75 0.86
4 E 1771 1771 14.60 12.72 0.75 0.86
4 E 1771 1771 14.60 12.72 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7479.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7479.9 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=FULL/3-21G*
ABC
10.09377 10.09377 5.96507

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/3-21G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.096
H2 0.000 0.967 -0.225
H3 0.837 -0.483 -0.225
H4 -0.837 -0.483 -0.225

Atom - Atom Distances (Å)
  N1 H2 H3 H4
N11.01891.01891.0189
H21.01891.67461.6746
H31.01891.67461.6746
H41.01891.67461.6746

picture of Ammonia state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 N1 H3 110.525 H2 N1 H4 110.525
H3 N1 H4 110.525
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability