Diatomic molecules Schrödinger equation Bound state solutions Charge Density Comparison theorem, pseudopotentials Complex systems Complexity Cramer–Rao inequality Deng–Fan molecular potential Density Functional Theory Expectation values Fisher information Heisenberg uncertainty Heisenberg uncertainty principle Hellmann potential Information entropy Inorganic Chemistry Morse potential Nikiforov–Uvarov (N–U) method Organic Chemistry Pekeris-type approximation scheme Physical Chemistry Plasma Physics Pseudoharmonic potential Pöschl–Teller-type potential Quantum chemistry Screened coulomb potential Spectrum generating algebra Uncertainty relations Yukawa potential