Novel building units in the construction of materials of the oxomolybdate-organodiphosphonate/copper(II)-dipodal-organonitrogen ligand system: Structural influences of dipodal ligand tether length and flexibility

► Hydrothermal syntheses of bimetallic oxides. ► A novel cluster secondary building unit {Mo6O18(H2O)(O3PR)2}4−. ► Three-dimensional copper(II)-dipodal ligand-phosphomolybdates. ► Structural influences of tether lengths and flexibility.