[{"from": "human", "value": "Please give me some details about this molecule. [Cl][Tl]"}, {"from": "gpt", "value": "The molecule is a colourless solid intermediate in the isolation of thallium from its ores. It is created from the treatment of thallium(I) sulfate with hydrochloric acid. This solid crystallizes in the caesium chloride motif. It is used as a diagnostic radiopharmaceutical. It is used for diagnosis of heart and parathyroid problems. The following are among the possible side effects: Blurred vision, chest pain or discomfort, chills, confusion, cough, difficulty with breathing, difficulty with swallowing, and dizziness."}]