ICT-HPCC13 is supported by the Virtual Laboratory for Computational Chemistry (VLCC), Supercomputing Center, Computer Network Information Center, Chinese Academy of Sciences. It is a international conference focused on theoritical chemistry and high performance parallel computation, which cover topics on advancements of computational chemistry and physics as well as related high performance parallel software. This conference aims to stimulate interactions among academia, industry and researchers in this field; to exchange up-to-date information and promote their novel technologies. On behalf of the organizing committee, we cordially invite you to participate in this conference.