Hadith.4465 - Talhah ibn Zayd narrated from Imam Jafar ibn Muhammad Al-Sadiq (as) from his father, Imam Muhammad ibn Ali Al-Baqir (as) that Ali (as) said
"If a bondwoman is raped and her virginity is taken, the perpetrator must pay one-tenth of her value. However, if she is a free woman, he must pay the dowry."