LaSrInO4 crystallizes in the orthorhombic Pca2_1 space group. Sr(1) is bonded in a 6-coordinate geometry to one O(1), one O(4), two equivalent O(2), and two equivalent O(3) atoms. La(1) is bonded in a 6-coordinate geometry to one O(2), one O(3), two equivalent O(1), and two equivalent O(4) atoms. In(1) is bonded to one O(3), one O(4), two equivalent O(1), and two equivalent O(2) atoms to form corner-sharing InO6 octahedra. The corner-sharing octahedral tilt angles range from 24-29°. There are four inequivalent O sites. In the first O site, O(1) is bonded in a 5-coordinate geometry to one Sr(1), two equivalent La(1), and two equivalent In(1) atoms. In the second O site, O(2) is bonded to two equivalent Sr(1), one La(1), and two equivalent In(1) atoms to form distorted OSr2LaIn2 trigonal bipyramids that share corners with two equivalent O(4)SrLa2In tetrahedra, corners with five equivalent O(3)Sr2LaIn tetrahedra,  an edgeedge with one O(3)Sr2LaIn tetrahedra, edges with two equivalent O(4)SrLa2In tetrahedra, and edges with two equivalent O(2)Sr2LaIn2 trigonal bipyramids. In the third O site, O(3) is bonded to two equivalent Sr(1), one La(1), and one In(1) atom to form OSr2LaIn tetrahedra that share corners with two equivalent O(3)Sr2LaIn tetrahedra, corners with five equivalent O(4)SrLa2In tetrahedra, corners with five equivalent O(2)Sr2LaIn2 trigonal bipyramids, and  an edgeedge with one O(2)Sr2LaIn2 trigonal bipyramid. In the fourth O site, O(4) is bonded to one Sr(1), two equivalent La(1), and one In(1) atom to form distorted OSrLa2In tetrahedra that share corners with two equivalent O(4)SrLa2In tetrahedra, corners with five equivalent O(3)Sr2LaIn tetrahedra, corners with two equivalent O(2)Sr2LaIn2 trigonal bipyramids, and edges with two equivalent O(2)Sr2LaIn2 trigonal bipyramids.
LaSrInO4 crystallizes in the orthorhombic Pca2_1 space group. Sr(1) is bonded in a 6-coordinate geometry to one O(1), one O(4), two equivalent O(2), and two equivalent O(3) atoms. The Sr(1)-O(1) bond length is 2.53 Å. The Sr(1)-O(4) bond length is 2.70 Å. There is one shorter (2.76 Å) and one longer (2.79 Å) Sr(1)-O(2) bond length. There is one shorter (2.41 Å) and one longer (2.51 Å) Sr(1)-O(3) bond length. La(1) is bonded in a 6-coordinate geometry to one O(2), one O(3), two equivalent O(1), and two equivalent O(4) atoms. The La(1)-O(2) bond length is 2.48 Å. The La(1)-O(3) bond length is 2.38 Å. There is one shorter (2.66 Å) and one longer (2.74 Å) La(1)-O(1) bond length. There is one shorter (2.36 Å) and one longer (2.41 Å) La(1)-O(4) bond length. In(1) is bonded to one O(3), one O(4), two equivalent O(1), and two equivalent O(2) atoms to form corner-sharing InO6 octahedra. The corner-sharing octahedral tilt angles range from 24-29°. The In(1)-O(3) bond length is 2.23 Å. The In(1)-O(4) bond length is 2.31 Å. Both In(1)-O(1) bond lengths are 2.18 Å. There is one shorter (2.16 Å) and one longer (2.18 Å) In(1)-O(2) bond length. There are four inequivalent O sites. In the first O site, O(1) is bonded in a 5-coordinate geometry to one Sr(1), two equivalent La(1), and two equivalent In(1) atoms. In the second O site, O(2) is bonded to two equivalent Sr(1), one La(1), and two equivalent In(1) atoms to form distorted OSr2LaIn2 trigonal bipyramids that share corners with two equivalent O(4)SrLa2In tetrahedra, corners with five equivalent O(3)Sr2LaIn tetrahedra,  an edgeedge with one O(3)Sr2LaIn tetrahedra, edges with two equivalent O(4)SrLa2In tetrahedra, and edges with two equivalent O(2)Sr2LaIn2 trigonal bipyramids. In the third O site, O(3) is bonded to two equivalent Sr(1), one La(1), and one In(1) atom to form OSr2LaIn tetrahedra that share corners with two equivalent O(3)Sr2LaIn tetrahedra, corners with five equivalent O(4)SrLa2In tetrahedra, corners with five equivalent O(2)Sr2LaIn2 trigonal bipyramids, and  an edgeedge with one O(2)Sr2LaIn2 trigonal bipyramid. In the fourth O site, O(4) is bonded to one Sr(1), two equivalent La(1), and one In(1) atom to form distorted OSrLa2In tetrahedra that share corners with two equivalent O(4)SrLa2In tetrahedra, corners with five equivalent O(3)Sr2LaIn tetrahedra, corners with two equivalent O(2)Sr2LaIn2 trigonal bipyramids, and edges with two equivalent O(2)Sr2LaIn2 trigonal bipyramids.