LaSrCoO4 is (La,Ba)CuO4-derived structured and crystallizes in the monoclinic P2_1 space group. Sr(1) is bonded in a 9-coordinate geometry to two equivalent O(1), two equivalent O(3), two equivalent O(4), and three equivalent O(2) atoms. La(1) is bonded in a 9-coordinate geometry to two equivalent O(2), two equivalent O(3), two equivalent O(4), and three equivalent O(1) atoms. Co(1) is bonded to one O(1), one O(2), two equivalent O(3), and two equivalent O(4) atoms to form corner-sharing CoO6 octahedra. The corner-sharing octahedral tilt angles are 3°. There are four inequivalent O sites. In the first O site, O(1) is bonded to two equivalent Sr(1), three equivalent La(1), and one Co(1) atom to form distorted OSr2La3Co octahedra that share  a cornercorner with one O(2)Sr3La2Co octahedra, corners with four equivalent O(1)Sr2La3Co octahedra, corners with six equivalent O(3)Sr2La2Co2 octahedra, corners with six equivalent O(4)Sr2La2Co2 octahedra, edges with two equivalent O(1)Sr2La3Co octahedra, edges with six equivalent O(2)Sr3La2Co octahedra, faces with two equivalent O(3)Sr2La2Co2 octahedra, and faces with two equivalent O(4)Sr2La2Co2 octahedra. The corner-sharing octahedral tilt angles range from 0-54°. In the second O site, O(2) is bonded to three equivalent Sr(1), two equivalent La(1), and one Co(1) atom to form distorted OSr3La2Co octahedra that share  a cornercorner with one O(1)Sr2La3Co octahedra, corners with four equivalent O(2)Sr3La2Co octahedra, corners with six equivalent O(3)Sr2La2Co2 octahedra, corners with six equivalent O(4)Sr2La2Co2 octahedra, edges with two equivalent O(2)Sr3La2Co octahedra, edges with six equivalent O(1)Sr2La3Co octahedra, faces with two equivalent O(3)Sr2La2Co2 octahedra, and faces with two equivalent O(4)Sr2La2Co2 octahedra. The corner-sharing octahedral tilt angles range from 0-56°. In the third O site, O(3) is bonded to two equivalent Sr(1), two equivalent La(1), and two equivalent Co(1) atoms to form distorted OSr2La2Co2 octahedra that share corners with two equivalent O(4)Sr2La2Co2 octahedra, corners with six equivalent O(1)Sr2La3Co octahedra, corners with six equivalent O(2)Sr3La2Co octahedra, edges with two equivalent O(4)Sr2La2Co2 octahedra, faces with two equivalent O(3)Sr2La2Co2 octahedra, faces with two equivalent O(4)Sr2La2Co2 octahedra, faces with two equivalent O(1)Sr2La3Co octahedra, and faces with two equivalent O(2)Sr3La2Co octahedra. The corner-sharing octahedral tilt angles range from 3-56°. In the fourth O site, O(4) is bonded to two equivalent Sr(1), two equivalent La(1), and two equivalent Co(1) atoms to form distorted OSr2La2Co2 octahedra that share corners with two equivalent O(3)Sr2La2Co2 octahedra, corners with six equivalent O(1)Sr2La3Co octahedra, corners with six equivalent O(2)Sr3La2Co octahedra, edges with two equivalent O(3)Sr2La2Co2 octahedra, faces with two equivalent O(3)Sr2La2Co2 octahedra, faces with two equivalent O(4)Sr2La2Co2 octahedra, faces with two equivalent O(1)Sr2La3Co octahedra, and faces with two equivalent O(2)Sr3La2Co octahedra. The corner-sharing octahedral tilt angles range from 3-56°.
LaSrCoO4 is (La,Ba)CuO4-derived structured and crystallizes in the monoclinic P2_1 space group. Sr(1) is bonded in a 9-coordinate geometry to two equivalent O(1), two equivalent O(3), two equivalent O(4), and three equivalent O(2) atoms. Both Sr(1)-O(1) bond lengths are 2.76 Å. There is one shorter (2.66 Å) and one longer (2.70 Å) Sr(1)-O(3) bond length. There is one shorter (2.66 Å) and one longer (2.70 Å) Sr(1)-O(4) bond length. There are a spread of Sr(1)-O(2) bond distances ranging from 2.47-2.74 Å. La(1) is bonded in a 9-coordinate geometry to two equivalent O(2), two equivalent O(3), two equivalent O(4), and three equivalent O(1) atoms. There is one shorter (2.73 Å) and one longer (2.75 Å) La(1)-O(2) bond length. There is one shorter (2.62 Å) and one longer (2.69 Å) La(1)-O(3) bond length. There is one shorter (2.61 Å) and one longer (2.68 Å) La(1)-O(4) bond length. There are a spread of La(1)-O(1) bond distances ranging from 2.33-2.78 Å. Co(1) is bonded to one O(1), one O(2), two equivalent O(3), and two equivalent O(4) atoms to form corner-sharing CoO6 octahedra. The corner-sharing octahedral tilt angles are 3°. The Co(1)-O(1) bond length is 2.40 Å. The Co(1)-O(2) bond length is 2.04 Å. There is one shorter (1.86 Å) and one longer (1.99 Å) Co(1)-O(3) bond length. There is one shorter (1.86 Å) and one longer (1.99 Å) Co(1)-O(4) bond length. There are four inequivalent O sites. In the first O site, O(1) is bonded to two equivalent Sr(1), three equivalent La(1), and one Co(1) atom to form distorted OSr2La3Co octahedra that share  a cornercorner with one O(2)Sr3La2Co octahedra, corners with four equivalent O(1)Sr2La3Co octahedra, corners with six equivalent O(3)Sr2La2Co2 octahedra, corners with six equivalent O(4)Sr2La2Co2 octahedra, edges with two equivalent O(1)Sr2La3Co octahedra, edges with six equivalent O(2)Sr3La2Co octahedra, faces with two equivalent O(3)Sr2La2Co2 octahedra, and faces with two equivalent O(4)Sr2La2Co2 octahedra. The corner-sharing octahedral tilt angles range from 0-54°. In the second O site, O(2) is bonded to three equivalent Sr(1), two equivalent La(1), and one Co(1) atom to form distorted OSr3La2Co octahedra that share  a cornercorner with one O(1)Sr2La3Co octahedra, corners with four equivalent O(2)Sr3La2Co octahedra, corners with six equivalent O(3)Sr2La2Co2 octahedra, corners with six equivalent O(4)Sr2La2Co2 octahedra, edges with two equivalent O(2)Sr3La2Co octahedra, edges with six equivalent O(1)Sr2La3Co octahedra, faces with two equivalent O(3)Sr2La2Co2 octahedra, and faces with two equivalent O(4)Sr2La2Co2 octahedra. The corner-sharing octahedral tilt angles range from 0-56°. In the third O site, O(3) is bonded to two equivalent Sr(1), two equivalent La(1), and two equivalent Co(1) atoms to form distorted OSr2La2Co2 octahedra that share corners with two equivalent O(4)Sr2La2Co2 octahedra, corners with six equivalent O(1)Sr2La3Co octahedra, corners with six equivalent O(2)Sr3La2Co octahedra, edges with two equivalent O(4)Sr2La2Co2 octahedra, faces with two equivalent O(3)Sr2La2Co2 octahedra, faces with two equivalent O(4)Sr2La2Co2 octahedra, faces with two equivalent O(1)Sr2La3Co octahedra, and faces with two equivalent O(2)Sr3La2Co octahedra. The corner-sharing octahedral tilt angles range from 3-56°. In the fourth O site, O(4) is bonded to two equivalent Sr(1), two equivalent La(1), and two equivalent Co(1) atoms to form distorted OSr2La2Co2 octahedra that share corners with two equivalent O(3)Sr2La2Co2 octahedra, corners with six equivalent O(1)Sr2La3Co octahedra, corners with six equivalent O(2)Sr3La2Co octahedra, edges with two equivalent O(3)Sr2La2Co2 octahedra, faces with two equivalent O(3)Sr2La2Co2 octahedra, faces with two equivalent O(4)Sr2La2Co2 octahedra, faces with two equivalent O(1)Sr2La3Co octahedra, and faces with two equivalent O(2)Sr3La2Co octahedra. The corner-sharing octahedral tilt angles range from 3-56°.