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Sr3P crystallizes in the hexagonal P6_3/mmc space group. The structure is one-dimensional and consists of two Sr3P ribbons oriented in the (0, 0, 1) direction. Sr is bonded in a distorted water-like geometry to two equivalent P atoms. Both Sr–P bond lengths are 3.40 Å. P is bonded in a 12-coordinate geometry to six equivalent Sr atoms.
(Sr3P)2N2 is (Cubic) Perovskite structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional and consists of one ammonia molecule and one Sr3P framework. In the Sr3P framework, Sr2+ is bonded in a linear geometry to two equivalent P3- atoms. Both Sr–P bond lengths are 2.83 Å. P3- is bonded to six equivalent Sr2+ atoms to form corner-sharing PSr6 octahedra. The corner-sharing octahedral tilt angles are 0°.
Sr3P2 is alpha Rhenium trioxide-like structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional and consists of one phosphine molecule and one Sr3P framework. In the Sr3P framework, Sr2+ is bonded in a linear geometry to two equivalent P3- atoms. Both Sr–P bond lengths are 2.83 Å. P3- is bonded to six equivalent Sr2+ atoms to form corner-sharing PSr6 octahedra. The corner-sharing octahedral tilt angles are 0°.
Sr3PAs is (Cubic) Perovskite structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional and consists of one arsenic molecule and one Sr3P framework. In the Sr3P framework, Sr2+ is bonded in a linear geometry to two equivalent P3- atoms. Both Sr–P bond lengths are 2.85 Å. P3- is bonded to six equivalent Sr2+ atoms to form corner-sharing PSr6 octahedra. The corner-sharing octahedral tilt angles are 0°.