There are number of 1C configurations for international accounting standards (IFRS) on the market. For example there is IFRS module in 1C ERP solution, there is 1C Accounting CORP IFRS configuration, also there is BIT IFRS module.
IFRS accounting models vary very much as there is no unified chart of accounts for IFRS. If you have any specific questions you can search on internet IFRS resources or send your questions to email@example.com. We will be happy to help on this topic.