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All results from a given calculation for NH3 (Ammonia)

using model chemistry: B1B95/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B1B95/6-31G*
 hartrees
Energy at 0K-56.513645
Energy at 298.15K-56.516315
HF Energy-56.513645
Nuclear repulsion energy11.928209
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 B1B95/6-31G*
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 3490 3313 0.18 112.92 0.07 0.13
2 A1 1131 1074 170.67 12.10 0.16 0.27
3 E 3631 3447 0.01 53.21 0.75 0.86
3 E 3631 3447 0.01 53.21 0.75 0.86
4 E 1731 1644 17.67 12.57 0.75 0.86
4 E 1731 1644 17.67 12.57 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7672.4 cm-1
Scaled (by 0.9493) Zero Point Vibrational Energy (zpe) 7283.4 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 B1B95/6-31G*
ABC
9.86878 9.86878 6.36836

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.118
H2 0.000 0.936 -0.275
H3 0.810 -0.468 -0.275
H4 -0.810 -0.468 -0.275

Atom - Atom Distances (Å)
  N1 H2 H3 H4
N11.01501.01501.0150
H21.01501.62071.6207
H31.01501.62071.6207
H41.01501.62071.6207

picture of Ammonia state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 N1 H3 105.949 H2 N1 H4 105.949
H3 N1 H4 105.949
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.924      
2 H 0.308      
3 H 0.308      
4 H 0.308      


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 -1.926 1.926
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -6.094 0.000 0.000
y 0.000 -6.094 0.000
z 0.000 0.000 -8.766
Traceless
 xyz
x 1.336 0.000 0.000
y 0.000 1.336 0.000
z 0.000 0.000 -2.672
Polar
3z2-r2-5.345
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 1.392 0.000 0.000
y 0.000 1.392 0.000
z 0.000 0.000 0.843


<r2> (average value of r2) Å2
<r2> 7.314
(<r2>)1/2 2.704