AM_Polkanovite Formula: Rh6 As3.5 Name: Polkanovite Unit cell: 9.297 9.297 3.657 90.0 90.0 120.0 , V=273.74 Space group: P63/M (176)

Pivan J Y , Guerin R , Sergent M , Journal of the Less-Common Metals , 107 (1985) p.249-258, Rh12As7, a host structure for rare earth elements: Crystal structures of Rh12As7, and Ho2Rh12As7, Locality: synthetic, Note: x(RhII) corrected