The determination of trends of evolution of the system of communications and services of scientific and technical information is one of the key tasks in the scientific-technical libraries’ activities aimed at realization of their functional appointment – information provision, popularization and usage of scientific experience both among students and in the scientific space that would lead to operative introduction of theoretical knowledge into practice. The article contains the analysis of existing and perspective tendencies, determining the development of communications of scientific and technical information, using normative legal acts that build the juridical basis of the study. The objective of the article is to present the results of the analysis of foreign and domestic experience of the leading scientific and technical libraries of the Russian Federation and the Union State (the Republic of Belarus), in order to determine the effectiveness of their functional purpose – information support, popularization and usage of scientific experience for forming the system of scientific communications on the territories of the new RF subjects, the Donetsk People’s Republic, in particular. The necessity of modernizing the model of the Central Scientific and Technical Library of the Federal State Budgetary Institution “Institute of Scientific and Technical Information” (CSTL) as a digital center of scientific knowledge on the territory of the new subjects of the Russian Federation is indicated. As a result of the conducted research, the structure of CSTL, including a number of sectors is proposed, indicating the functional tasks and directions of their activities.
