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All results from a given calculation for NH3 (Ammonia)

using model chemistry: LSDA/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at LSDA/6-31+G**
 hartrees
Energy at 0K-56.273265
Energy at 298.15K-56.275893
HF Energy-56.273265
Nuclear repulsion energy11.829487
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 LSDA/6-31+G**
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 3433 3382 1.75      
2 A1 910 896 273.78      
3 E 3593 3539 12.08      
3 E 3593 3539 12.09      
4 E 1598 1574 36.59      
4 E 1598 1574 36.59      

Unscaled Zero Point Vibrational Energy (zpe) 7363.1 cm-1
Scaled (by 0.985) Zero Point Vibrational Energy (zpe) 7252.6 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 LSDA/6-31+G**
ABC
9.91197 9.91197 6.06358

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-31+G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.106
H2 0.000 0.959 -0.247
H3 0.830 -0.479 -0.247
H4 -0.830 -0.479 -0.247

Atom - Atom Distances (Å)
  N1 H2 H3 H4
N11.02201.02201.0220
H21.02201.66091.6609
H31.02201.66091.6609
H41.02201.66091.6609

picture of Ammonia state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 N1 H3 108.698 H2 N1 H4 108.698
H3 N1 H4 108.698
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.952      
2 H 0.317      
3 H 0.317      
4 H 0.317      


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 -1.772 1.772
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -6.313 0.000 0.000
y 0.000 -6.313 0.000
z 0.000 0.000 -10.055
Traceless
 xyz
x 1.871 0.000 0.000
y 0.000 1.871 0.000
z 0.000 0.000 -3.742
Polar
3z2-r2-7.484
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 1.546 0.000 0.000
y 0.000 1.546 -0.000
z 0.000 -0.000 1.979


<r2> (average value of r2) Å2
<r2> 7.743
(<r2>)1/2 2.783