SrPO4 crystallizes in the triclinic P-1 space group. There are two inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 8-coordinate geometry to one O(3), one O(4), one O(5), one O(6), one O(7), one O(8), and two equivalent O(2) atoms. In the second Sr site, Sr(2) is bonded in a 8-coordinate geometry to one O(2), one O(4), one O(5), one O(6), one O(7), one O(8), and two equivalent O(1) atoms. There are two inequivalent P sites. In the first P site, P(1) is bonded in a tetrahedral geometry to one O(1), one O(2), one O(3), and one O(4) atom. In the second P site, P(2) is bonded in a tetrahedral geometry to one O(5), one O(6), one O(7), and one O(8) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to two equivalent Sr(2) and one P(1) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one Sr(2), two equivalent Sr(1), and one P(1) atom. In the third O site, O(3) is bonded in a 2-coordinate geometry to one Sr(1) and one P(1) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Sr(1), one Sr(2), and one P(1) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to one Sr(1), one Sr(2), and one P(2) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to one Sr(1), one Sr(2), and one P(2) atom. In the seventh O site, O(7) is bonded in a distorted single-bond geometry to one Sr(1), one Sr(2), and one P(2) atom. In the eighth O site, O(8) is bonded in a distorted single-bond geometry to one Sr(1), one Sr(2), and one P(2) atom.
SrPO4 crystallizes in the triclinic P-1 space group. There are two inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 8-coordinate geometry to one O(3), one O(4), one O(5), one O(6), one O(7), one O(8), and two equivalent O(2) atoms. The Sr(1)-O(3) bond length is 2.55 Å. The Sr(1)-O(4) bond length is 2.55 Å. The Sr(1)-O(5) bond length is 2.87 Å. The Sr(1)-O(6) bond length is 3.11 Å. The Sr(1)-O(7) bond length is 2.66 Å. The Sr(1)-O(8) bond length is 2.61 Å. There is one shorter (2.60 Å) and one longer (2.70 Å) Sr(1)-O(2) bond length. In the second Sr site, Sr(2) is bonded in a 8-coordinate geometry to one O(2), one O(4), one O(5), one O(6), one O(7), one O(8), and two equivalent O(1) atoms. The Sr(2)-O(2) bond length is 2.77 Å. The Sr(2)-O(4) bond length is 2.71 Å. The Sr(2)-O(5) bond length is 2.58 Å. The Sr(2)-O(6) bond length is 2.57 Å. The Sr(2)-O(7) bond length is 2.56 Å. The Sr(2)-O(8) bond length is 2.57 Å. There is one shorter (2.57 Å) and one longer (2.66 Å) Sr(2)-O(1) bond length. There are two inequivalent P sites. In the first P site, P(1) is bonded in a tetrahedral geometry to one O(1), one O(2), one O(3), and one O(4) atom. The P(1)-O(1) bond length is 1.54 Å. The P(1)-O(2) bond length is 1.55 Å. The P(1)-O(3) bond length is 1.55 Å. The P(1)-O(4) bond length is 1.56 Å. In the second P site, P(2) is bonded in a tetrahedral geometry to one O(5), one O(6), one O(7), and one O(8) atom. The P(2)-O(5) bond length is 1.55 Å. The P(2)-O(6) bond length is 1.54 Å. The P(2)-O(7) bond length is 1.54 Å. The P(2)-O(8) bond length is 1.54 Å. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to two equivalent Sr(2) and one P(1) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one Sr(2), two equivalent Sr(1), and one P(1) atom. In the third O site, O(3) is bonded in a 2-coordinate geometry to one Sr(1) and one P(1) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Sr(1), one Sr(2), and one P(1) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to one Sr(1), one Sr(2), and one P(2) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to one Sr(1), one Sr(2), and one P(2) atom. In the seventh O site, O(7) is bonded in a distorted single-bond geometry to one Sr(1), one Sr(2), and one P(2) atom. In the eighth O site, O(8) is bonded in a distorted single-bond geometry to one Sr(1), one Sr(2), and one P(2) atom.