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: MP2/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP2/CEP-121G*
 hartrees
Energy at 0K-11.599869
Energy at 298.15K-11.597625
HF Energy-11.424166
Nuclear repulsion energy8.764111
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 MP2/CEP-121G*
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 2492 2374 0.01      
2 A1 892 850 122.97      
3 E 2681 2555 0.98      
3 E 2681 2555 0.98      
4 E 1270 1210 17.76      
4 E 1270 1210 17.76      

Unscaled Zero Point Vibrational Energy (zpe) 5642.9 cm-1
Scaled (by 0.9528) Zero Point Vibrational Energy (zpe) 5376.6 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 MP2/CEP-121G*
ABC
5.08869 5.08869 3.13665

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.144
H2 0.000 0.943 -0.241
H3 0.817 -0.472 -0.241
H4 -0.817 -0.472 -0.241
X5 0.000 0.000 1.144

Atom - Atom Distances (Å)
  N1 H2 H3 H4 X5
N11.01871.01871.01871.0000
H21.01871.63351.63351.6756
H31.01871.63351.63351.6756
H41.01871.63351.63351.6756
X51.00001.67561.67561.6756

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 106.605 H2 N1 H4 106.605
H2 N1 X5 112.205 H3 N1 H4 106.605
H3 N1 X5 112.205 H4 N1 X5 112.205
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability