In the novel "Crime and Punishment", for what crime is protagonist Rodion Raskolnikov sentenced to Siberia?

Rodion Raskolnikov is the fictional protagonist of the 1866 novel "Crime and Punishment" by Fyodor Dostoyevsky (1 November 1821 – 9 February 1881).

Dostoevsky was introduced to literature at an early age through fairy tales and legends, and through books by Russian and foreign authors. Arrested in 1849 for belonging to a literary group that discussed banned books critical of Tsarist Russia, he was sentenced to death but the sentence was commuted at the last moment. He spent four years in a Siberian prison camp, followed by six years of compulsory military service in exile. In the following years, Dostoevsky worked as a journalist, publishing and editing several magazines.

Raskolnikov is a young ex-law student living in extreme poverty in Saint Petersburg. He lives in a tiny garret which he rents, although due to a lack of funds has been avoiding payment for quite some time.

A poor student, Raskolnikov decides to kill a corrupt pawnbroker, Alyona Ivanovna, with whom he has been dealing, with the idea of using the money to start his life all over. It is later revealed that he also commits the murder as justification for his pride. He commits the murder, but is so nervous during the crime that he makes a few mistakes.

After he confesses to a prostitute, she guides him towards admitting to the crime, and he then confesses to a prosecutor. Raskolnikov is sentenced to exile in Siberia, accompanied by the prostitute, where he experiences a mental and spiritual rebirth.