code: def add_atomic_information(data_api, data_setters):
      
      for model_chains in data_api.chains_per_model:
          data_setters.set_model_info(data_api.model_counter, model_chains)
          tot_chains_this_model = data_api.chain_counter + model_chains
          last_chain_counter = data_api.chain_counter
          for chain_index in range(last_chain_counter, tot_chains_this_model):
              add_chain_info(data_api, data_setters, chain_index)
          data_api.model_counter+=1
docs: Add all the structural information.
      :param data_api the data api from where to get the data
      :param data_setters the class to push the data to