(BePO4)2N2 is Low Tridymite-derived structured and crystallizes in the orthorhombic Pna2_1 space group. The structure consists of four ammonia atoms inside a BePO4 framework. In the BePO4 framework, Be(1) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form BeO4 tetrahedra that share corners with four equivalent P(1)O4 tetrahedra. P(1) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form PO4 tetrahedra that share corners with four equivalent Be(1)O4 tetrahedra. There are four inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one Be(1) and one P(1) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one Be(1) and one P(1) atom. In the third O site, O(3) is bonded in a bent 150 degrees geometry to one Be(1) and one P(1) atom. In the fourth O site, O(4) is bonded in a linear geometry to one Be(1) and one P(1) atom.
(BePO4)2N2 is Low Tridymite-derived structured and crystallizes in the orthorhombic Pna2_1 space group. The structure consists of four ammonia atoms inside a BePO4 framework. In the BePO4 framework, Be(1) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form BeO4 tetrahedra that share corners with four equivalent P(1)O4 tetrahedra. The Be(1)-O(1) bond length is 1.62 Å. The Be(1)-O(2) bond length is 1.62 Å. The Be(1)-O(3) bond length is 1.60 Å. The Be(1)-O(4) bond length is 1.62 Å. P(1) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form PO4 tetrahedra that share corners with four equivalent Be(1)O4 tetrahedra. The P(1)-O(1) bond length is 1.54 Å. The P(1)-O(2) bond length is 1.54 Å. The P(1)-O(3) bond length is 1.52 Å. The P(1)-O(4) bond length is 1.54 Å. There are four inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one Be(1) and one P(1) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one Be(1) and one P(1) atom. In the third O site, O(3) is bonded in a bent 150 degrees geometry to one Be(1) and one P(1) atom. In the fourth O site, O(4) is bonded in a linear geometry to one Be(1) and one P(1) atom.