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Consider a state of a 2-electron diatomic molecule AB described by the electronic
normalized wave function
Þ(1, 2) = y(1,2) [a(1) B(2) – a(2) B(1)]
where p(1, 2) is the spatial part of the electronic wave function.
(a) What must be the value of the integral (p(1, 2)|4(1,2)) so that the complete
(spatial and spin) function (1, 2) is normalized?.
(b) Is the spatial function p(1, 2) symmetric or antisymmetric with respect to the
exchange of the space coordinates of electron 1 and 2?

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