The Boston College Libraries recently added access to:
Inorganic Crystal Structure Database (ICSD)
Use this database to find structural data, bibliographic data and synthesis information on more than 161,000 entries found in the literature from 1913 on, including:
ICSD is produced by FIZ Karlsruhe – Leibniz Institute for Information Infrastructure in partnership with the U.S. National Institute of Standards (NIST), the Institute Laue Langevin (ILL), Grenoble, the International Union for Crystallography (IUCr) and Professor Dr. R. Allman.
SpringerMaterials provides critically-evaluated data in the physical sciences. Subject areas covered include: Molecules & Radicals; Thermodynamics; Crystallography; Semiconductivity; Multiphase Systems; Magnetism; Particles & Nuclei; Advanced Materials; Astro- & Geophysics; and others. SpringerMaterials is the online equivalent of the long-time standard reference, Landolt-Bornstein New Series.