Nuclear Data Sheets for A = 121

The 2000 Nuclear Data Sheets for A = 121 by T. Tamura, with literature cutoff date of July 1,1999 has been updated. The experimental results from various decays and reactions for A=121 mass chain have been compiled and evaluated. The nuclides covered in this evaluation are from 121Rh to 121Pr. The data are summarized and presented, together with adopted level schemes.