return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for ND3 (Ammonia-d3)

using model chemistry: PBEPBE/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 PBEPBE/3-21G*
 hartrees
Energy at 0K-56.150852
Energy at 298.15K-56.148472
Nuclear repulsion energy11.703809
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 PBEPBE/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 2332 2224 0.98      
2 A1 579 552 114.67      
3 E 2531 2413 0.61      
3 E 2531 2413 0.61      
4 E 1245 1187 7.61      
4 E 1245 1187 7.61      

Unscaled Zero Point Vibrational Energy (zpe) 5230.8 cm-1
Scaled (by 0.9535) Zero Point Vibrational Energy (zpe) 4987.6 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 PBEPBE/3-21G*
ABC
4.99929 4.99929 2.96081

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.106
H2 0.000 0.971 -0.247
H3 0.841 -0.485 -0.247
H4 -0.841 -0.485 -0.247

Atom - Atom Distances (Å)
  N1 H2 H3 H4
N11.03281.03281.0328
H21.03281.68131.6813
H31.03281.68131.6813
H41.03281.68131.6813

picture of Ammonia-d3 state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 N1 H3 108.967 H2 N1 H4 108.967
H3 N1 H4 108.967
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.774      
2 H 0.258      
3 H 0.258      
4 H 0.258      


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 -1.959 1.959
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -5.917 0.000 0.000
y 0.000 -5.917 0.000
z 0.000 0.000 -8.623
Traceless
 xyz
x 1.353 0.000 0.000
y 0.000 1.353 0.000
z 0.000 0.000 -2.706
Polar
3z2-r2-5.411
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 1.296 0.000 0.000
y 0.000 1.296 0.000
z 0.000 0.000 0.476


<r2> (average value of r2) Å2
<r2> 7.347
(<r2>)1/2 2.711