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All results from a given calculation for NH3 (Ammonia)

using model chemistry: HF/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at HF/6-31G**
 hartrees
Energy at 0K-56.195545
Energy at 298.15K-56.198219
HF Energy-56.195545
Nuclear repulsion energy12.086772
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 HF/6-31G**
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 3705 3344 0.15 118.28 0.07 0.13
2 A1 1142 1031 217.11 8.76 0.13 0.23
3 E 3843 3468 0.75 55.92 0.75 0.86
3 E 3843 3468 0.75 55.92 0.75 0.86
4 E 1811 1634 20.71 9.95 0.75 0.86
4 E 1811 1634 20.71 9.95 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8076.9 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 7290.2 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 HF/6-31G**
ABC
10.25949 10.25949 6.41353

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.109
H2 0.000 0.932 -0.255
H3 0.807 -0.466 -0.255
H4 -0.807 -0.466 -0.255

Atom - Atom Distances (Å)
  N1 H2 H3 H4
N11.00081.00081.0008
H21.00081.61491.6149
H31.00081.61491.6149
H41.00081.61491.6149

picture of Ammonia state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 N1 H3 107.573 H2 N1 H4 107.573
H3 N1 H4 107.573
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.792      
2 H 0.264      
3 H 0.264      
4 H 0.264      


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 -1.839 1.839
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -6.028 0.000 0.000
y 0.000 -6.028 0.000
z 0.000 0.000 -8.822
Traceless
 xyz
x 1.397 0.000 0.000
y 0.000 1.397 0.000
z 0.000 0.000 -2.794
Polar
3z2-r2-5.588
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 1.362 0.000 0.000
y 0.000 1.362 0.000
z 0.000 0.000 0.816


<r2> (average value of r2) Å2
<r2> 7.232
(<r2>)1/2 2.689