Some web sites dealing with the Periodic Table of half-integer quadrupole spins are provided:

• Interactive NMR frequency map
  Alexej Jerschow, New York University
• NMR Periodic Table
  Rider University NMR Facility, Department of Chemistry
• Table of nuclear magnetic dipole and electric quadrupole moments (PDF file, 540 Kb)
  N. J. Stone
• Spectroscopic nuclear quadrupole moments
  Pekka Pyykkö, Mol. Phys. 99, 1617-1629 (2001). Abstract
• Year-2017 nuclear quadrupole moments
  Pekka Pyykkö, Mol. Phys. (2018). Open access
• Spin properties of spin-1/2 nuclei and quadrupolar nuclei (PDF file, 320 Kb)
  IUPAC
• French Periodic Table
• The Periodic Table of videos
  University of Nottingham
• American Elements
  Research and uses of each of the elements, including properties, safety data and applications
• Solid State NMR
  NMR active nuclides table