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(C5H4SiMe2tBu)2LnnBu reacted with 1 equiv. of elemental sulfur in toluene at ambient temperature to yield the corresponding lanthanocene thiolates [(C5H4SiMe2tBu)2Ln(μ-SnBu)]2 (Ln = Y (1), Er (2)). Complexes 1 and 2 have been characterized by elemental an