IAEA has information the Khondab (former Arak) heavy water research reactor, under construction, was hit. It was not operational and contained no nuclear material, so no radiological effects.
At present, IAEA has no information indicating the Khondab heavy water plant was hit.
https://www.timesofisrael.com/idf-st...r-development/
Reactor:
https://en.wikipedia.org/wiki/Nuclea...s_in_Iran#Arak
Heavy water plant:
https://www.nti.org/education-center...on-plant-hwpp/