- Table of the Nuclides
Map of all known nuclides. Horizontal rows representing one element; with colored dots indicating the known isotopes of that element. A vertical column represents the nuclides with same neutron numbers.
University of Delaware Division of Physical Chemistry
Information about the division's faculty, courses, seminars, and exams.
NIST Physical Reference Data
Database holding information on fundamental physical constants, atomic spectra, molecular spectroscopic data, ionization data, X-Ray and Gamma-Ray data, radiation dosimetry data, nuclear physics data, and condensed matter physics data.
Journal of short communications in chemistry, published by The Russian Academy of Sciences in close cooperation with The Royal Society of Chemistry.
Web interface for the quantum chemistry packages MOPAC, Gaussian, and GAMESS. Free version available for download; pro version also available.
National Institute of Standards and Technology Computational Chemistry Group
Group involved in the development of databases and systematic testing, evaluation and benchmarking of quantum chemistry methods to establish the accuracy, reliability, applicability and relative merits of different computational tools and approaches for different problems.