Na2Tb(MoO4)(PO4) crystallizes in the orthorhombic Ibca space group. Na(1) is bonded in a 4-coordinate geometry to two equivalent O(1) and two equivalent O(4) atoms. Tb(1) is bonded in a 8-coordinate geometry to two equivalent O(3), two equivalent O(4), and four equivalent O(2) atoms. Mo(1) is bonded in a tetrahedral geometry to two equivalent O(1) and two equivalent O(3) atoms. P(1) is bonded in a tetrahedral geometry to two equivalent O(2) and two equivalent O(4) atoms. There are four inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal non-coplanar geometry to two equivalent Na(1) and one Mo(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to two equivalent Tb(1) and one P(1) atom. In the third O site, O(3) is bonded in a distorted bent 120 degrees geometry to one Tb(1) and one Mo(1) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to two equivalent Na(1), one Tb(1), and one P(1) atom.
Na2Tb(MoO4)(PO4) crystallizes in the orthorhombic Ibca space group. Na(1) is bonded in a 4-coordinate geometry to two equivalent O(1) and two equivalent O(4) atoms. There is one shorter (2.31 Å) and one longer (2.57 Å) Na(1)-O(1) bond length. There is one shorter (2.38 Å) and one longer (2.44 Å) Na(1)-O(4) bond length. Tb(1) is bonded in a 8-coordinate geometry to two equivalent O(3), two equivalent O(4), and four equivalent O(2) atoms. Both Tb(1)-O(3) bond lengths are 2.31 Å. Both Tb(1)-O(4) bond lengths are 2.45 Å. There are two shorter (2.32 Å) and two longer (2.46 Å) Tb(1)-O(2) bond lengths. Mo(1) is bonded in a tetrahedral geometry to two equivalent O(1) and two equivalent O(3) atoms. Both Mo(1)-O(1) bond lengths are 1.79 Å. Both Mo(1)-O(3) bond lengths are 1.81 Å. P(1) is bonded in a tetrahedral geometry to two equivalent O(2) and two equivalent O(4) atoms. Both P(1)-O(2) bond lengths are 1.56 Å. Both P(1)-O(4) bond lengths are 1.55 Å. There are four inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal non-coplanar geometry to two equivalent Na(1) and one Mo(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to two equivalent Tb(1) and one P(1) atom. In the third O site, O(3) is bonded in a distorted bent 120 degrees geometry to one Tb(1) and one Mo(1) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to two equivalent Na(1), one Tb(1), and one P(1) atom.