Shown below are the four molecular orbital functions, 1-4, for cyclic H4, expressed in terms of the

Shown below are the four molecular orbital functions, ψ1-4, for cyclic H4, expressed in terms of the hydrogen 1s atomic functions, Φi (i = 1 - 4). ψ1 = N1 (Φ1 + Φ2 + Φ3 + Φ4) ψ2 = N2 (Φ1 – Φ3) ψ3 = N3 (Φ2 – Φ4) ψ4 = N4 (Φ1 – Φ2 + Φ3 – Φ4) Sketch an MO energy level diagram (reference to α in units of β) for the cyclic H4, and determine the total energy (relative to isolated H-atoms) of H₄, H₄²⁺, H₄³⁺, H₄^3– . What is the largest stabilization energy in units of β？