SrBeLa2O5 crystallizes in the orthorhombic Pna2_1 space group. Sr(1) is bonded in a 9-coordinate geometry to one O(2), two equivalent O(1), two equivalent O(3), two equivalent O(4), and two equivalent O(5) atoms. Be(1) is bonded in a tetrahedral geometry to one O(1), one O(2), one O(3), and one O(5) atom. There are two inequivalent La sites. In the first La site, La(1) is bonded in a 8-coordinate geometry to one O(1), one O(5), two equivalent O(2), two equivalent O(3), and two equivalent O(4) atoms. In the second La site, La(2) is bonded in a 9-coordinate geometry to one O(3), two equivalent O(1), two equivalent O(2), two equivalent O(4), and two equivalent O(5) atoms. There are five inequivalent O sites. In the first O site, O(5) is bonded in a distorted single-bond geometry to two equivalent Sr(1), one Be(1), one La(1), and two equivalent La(2) atoms. In the second O site, O(1) is bonded in a distorted single-bond geometry to two equivalent Sr(1), one Be(1), one La(1), and two equivalent La(2) atoms. In the third O site, O(2) is bonded in a 1-coordinate geometry to one Sr(1), one Be(1), two equivalent La(1), and two equivalent La(2) atoms. In the fourth O site, O(3) is bonded in a 1-coordinate geometry to two equivalent Sr(1), one Be(1), one La(2), and two equivalent La(1) atoms. In the fifth O site, O(4) is bonded in a 6-coordinate geometry to two equivalent Sr(1), two equivalent La(1), and two equivalent La(2) atoms.
SrBeLa2O5 crystallizes in the orthorhombic Pna2_1 space group. Sr(1) is bonded in a 9-coordinate geometry to one O(2), two equivalent O(1), two equivalent O(3), two equivalent O(4), and two equivalent O(5) atoms. The Sr(1)-O(2) bond length is 2.91 Å. There is one shorter (2.59 Å) and one longer (2.60 Å) Sr(1)-O(1) bond length. There is one shorter (2.65 Å) and one longer (2.82 Å) Sr(1)-O(3) bond length. There is one shorter (2.61 Å) and one longer (2.64 Å) Sr(1)-O(4) bond length. There is one shorter (2.61 Å) and one longer (2.64 Å) Sr(1)-O(5) bond length. Be(1) is bonded in a tetrahedral geometry to one O(1), one O(2), one O(3), and one O(5) atom. The Be(1)-O(1) bond length is 1.66 Å. The Be(1)-O(2) bond length is 1.64 Å. The Be(1)-O(3) bond length is 1.63 Å. The Be(1)-O(5) bond length is 1.71 Å. There are two inequivalent La sites. In the first La site, La(1) is bonded in a 8-coordinate geometry to one O(1), one O(5), two equivalent O(2), two equivalent O(3), and two equivalent O(4) atoms. The La(1)-O(1) bond length is 2.63 Å. The La(1)-O(5) bond length is 2.55 Å. There is one shorter (2.44 Å) and one longer (2.53 Å) La(1)-O(2) bond length. There is one shorter (2.40 Å) and one longer (2.59 Å) La(1)-O(3) bond length. There is one shorter (2.45 Å) and one longer (2.97 Å) La(1)-O(4) bond length. In the second La site, La(2) is bonded in a 9-coordinate geometry to one O(3), two equivalent O(1), two equivalent O(2), two equivalent O(4), and two equivalent O(5) atoms. The La(2)-O(3) bond length is 2.83 Å. There is one shorter (2.50 Å) and one longer (2.64 Å) La(2)-O(1) bond length. There is one shorter (2.67 Å) and one longer (2.85 Å) La(2)-O(2) bond length. There is one shorter (2.50 Å) and one longer (2.78 Å) La(2)-O(4) bond length. There is one shorter (2.61 Å) and one longer (2.67 Å) La(2)-O(5) bond length. There are five inequivalent O sites. In the first O site, O(5) is bonded in a distorted single-bond geometry to two equivalent Sr(1), one Be(1), one La(1), and two equivalent La(2) atoms. In the second O site, O(1) is bonded in a distorted single-bond geometry to two equivalent Sr(1), one Be(1), one La(1), and two equivalent La(2) atoms. In the third O site, O(2) is bonded in a 1-coordinate geometry to one Sr(1), one Be(1), two equivalent La(1), and two equivalent La(2) atoms. In the fourth O site, O(3) is bonded in a 1-coordinate geometry to two equivalent Sr(1), one Be(1), one La(2), and two equivalent La(1) atoms. In the fifth O site, O(4) is bonded in a 6-coordinate geometry to two equivalent Sr(1), two equivalent La(1), and two equivalent La(2) atoms.