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All results from a given calculation for NH3 (Ammonia)

using model chemistry: SVWN/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 SVWN/6-31G*
 hartrees
Energy at 0K-56.254075
Energy at 298.15K-56.256730
HF Energy-56.254075
Nuclear repulsion energy11.809226
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 SVWN/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 3390 3326 0.29 115.32 0.07 0.12
2 A1 1042 1022 177.07 14.72 0.15 0.25
3 E 3539 3471 0.62 50.50 0.75 0.86
3 E 3539 3471 0.62 50.50 0.75 0.86
4 E 1657 1626 19.85 13.63 0.75 0.86
4 E 1657 1626 19.85 13.63 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7412.0 cm-1
Scaled (by 0.981) Zero Point Vibrational Energy (zpe) 7271.2 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 SVWN/6-31G*
ABC
9.68635 9.68635 6.22828

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.118
H2 0.000 0.946 -0.276
H3 0.819 -0.473 -0.276
H4 -0.819 -0.473 -0.276

Atom - Atom Distances (Å)
  N1 H2 H3 H4
N11.02511.02511.0251
H21.02511.63881.6388
H31.02511.63881.6388
H41.02511.63881.6388

picture of Ammonia state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 N1 H3 106.130 H2 N1 H4 106.130
H3 N1 H4 106.130
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.941      
2 H 0.314      
3 H 0.314      
4 H 0.314      


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 -1.967 1.967
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -6.140 0.000 0.000
y 0.000 -6.140 0.000
z 0.000 0.000 -8.895
Traceless
 xyz
x 1.377 0.000 0.000
y 0.000 1.377 0.000
z 0.000 0.000 -2.755
Polar
3z2-r2-5.509
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 1.441 0.000 0.000
y 0.000 1.441 0.000
z 0.000 0.000 0.863


<r2> (average value of r2) Å2
<r2> 7.421
(<r2>)1/2 2.724