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 NSe (Nitrogen monoselenide)

using model chemistry: MP2/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 2Π
Energy calculated at MP2/3-21G*
 hartrees
Energy at 0K-2442.976149
Energy at 298.15K-2442.974384
HF Energy-2442.737550
Nuclear repulsion energy73.823625
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 MP2/3-21G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 979 932 31.61      

Unscaled Zero Point Vibrational Energy (zpe) 489.7 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 465.8 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 MP2/3-21G*
B
0.48610

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.415
Se2 0.000 0.000 0.291

Atom - Atom Distances (Å)
  N1 Se2
N11.7060
Se21.7060

picture of Nitrogen monoselenide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability