Sr(NiB)2 crystallizes in the triclinic P1 space group. There are four inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 15-coordinate geometry to one Sr(2), two equivalent Sr(1), one Ni(6), two equivalent Ni(3), two equivalent Ni(4), two equivalent Ni(7), one B(1), one B(2), one B(6), and two equivalent B(8) atoms. In the second Sr site, Sr(2) is bonded in a 15-coordinate geometry to one Sr(1), two equivalent Sr(2), one Ni(5), two equivalent Ni(3), two equivalent Ni(4), two equivalent Ni(8), one B(1), one B(2), one B(5), and two equivalent B(7) atoms. In the third Sr site, Sr(3) is bonded in a 15-coordinate geometry to one Sr(4), two equivalent Sr(3), one Ni(3), one Ni(8), two equivalent Ni(1), two equivalent Ni(2), two equivalent Ni(5), one B(3), one B(4), and two equivalent B(6) atoms. In the fourth Sr site, Sr(4) is bonded in a 15-coordinate geometry to one Sr(3), two equivalent Sr(4), one Ni(4), one Ni(7), two equivalent Ni(1), two equivalent Ni(2), two equivalent Ni(6), one B(3), one B(4), and two equivalent B(5) atoms. There are eight inequivalent Ni sites. In the first Ni site, Ni(1) is bonded in a 2-coordinate geometry to two equivalent Sr(3), two equivalent Sr(4), one Ni(6), and two equivalent B(8) atoms. In the second Ni site, Ni(2) is bonded in a 2-coordinate geometry to two equivalent Sr(3), two equivalent Sr(4), one Ni(5), and two equivalent B(7) atoms. In the third Ni site, Ni(3) is bonded in a 3-coordinate geometry to one Sr(3), two equivalent Sr(1), two equivalent Sr(2), two equivalent Ni(5), and two equivalent B(6) atoms. In the fourth Ni site, Ni(4) is bonded in a 3-coordinate geometry to one Sr(4), two equivalent Sr(1), two equivalent Sr(2), two equivalent Ni(6), and two equivalent B(5) atoms. In the fifth Ni site, Ni(5) is bonded in a 10-coordinate geometry to one Sr(2), two equivalent Sr(3), one Ni(2), two equivalent Ni(3), two equivalent B(3), and two equivalent B(7) atoms. In the sixth Ni site, Ni(6) is bonded in a 10-coordinate geometry to one Sr(1), two equivalent Sr(4), one Ni(1), two equivalent Ni(4), two equivalent B(4), and two equivalent B(8) atoms. In the seventh Ni site, Ni(7) is bonded in a 5-coordinate geometry to one Sr(4), two equivalent Sr(1), one B(8), two equivalent B(1), and two equivalent B(5) atoms. In the eighth Ni site, Ni(8) is bonded in a 5-coordinate geometry to one Sr(3), two equivalent Sr(2), one B(7), two equivalent B(2), and two equivalent B(6) atoms. There are eight inequivalent B sites. In the first B site, B(1) is bonded in a 6-coordinate geometry to one Sr(1), one Sr(2), two equivalent Ni(7), one B(2), and one B(5) atom. In the second B site, B(2) is bonded in a 6-coordinate geometry to one Sr(1), one Sr(2), two equivalent Ni(8), one B(1), and one B(6) atom. In the third B site, B(3) is bonded in a 6-coordinate geometry to one Sr(3), one Sr(4), two equivalent Ni(5), one B(4), and one B(7) atom. In the fourth B site, B(4) is bonded in a 6-coordinate geometry to one Sr(3), one Sr(4), two equivalent Ni(6), one B(3), and one B(8) atom. In the fifth B site, B(5) is bonded in a 5-coordinate geometry to one Sr(2), two equivalent Sr(4), two equivalent Ni(4), two equivalent Ni(7), and one B(1) atom. In the sixth B site, B(6) is bonded in a 5-coordinate geometry to one Sr(1), two equivalent Sr(3), two equivalent Ni(3), two equivalent Ni(8), and one B(2) atom. In the seventh B site, B(7) is bonded in a 8-coordinate geometry to two equivalent Sr(2), one Ni(8), two equivalent Ni(2), two equivalent Ni(5), and one B(3) atom. In the eighth B site, B(8) is bonded in a 8-coordinate geometry to two equivalent Sr(1), one Ni(7), two equivalent Ni(1), two equivalent Ni(6), and one B(4) atom.
Sr(NiB)2 crystallizes in the triclinic P1 space group. There are four inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 15-coordinate geometry to one Sr(2), two equivalent Sr(1), one Ni(6), two equivalent Ni(3), two equivalent Ni(4), two equivalent Ni(7), one B(1), one B(2), one B(6), and two equivalent B(8) atoms. The Sr(1)-Sr(2) bond length is 3.19 Å. Both Sr(1)-Sr(1) bond lengths are 3.21 Å. The Sr(1)-Ni(6) bond length is 2.80 Å. There is one shorter (3.16 Å) and one longer (3.20 Å) Sr(1)-Ni(3) bond length. There is one shorter (3.41 Å) and one longer (3.42 Å) Sr(1)-Ni(4) bond length. There is one shorter (3.20 Å) and one longer (3.21 Å) Sr(1)-Ni(7) bond length. The Sr(1)-B(1) bond length is 2.64 Å. The Sr(1)-B(2) bond length is 2.75 Å. The Sr(1)-B(6) bond length is 3.12 Å. There is one shorter (2.98 Å) and one longer (2.99 Å) Sr(1)-B(8) bond length. In the second Sr site, Sr(2) is bonded in a 15-coordinate geometry to one Sr(1), two equivalent Sr(2), one Ni(5), two equivalent Ni(3), two equivalent Ni(4), two equivalent Ni(8), one B(1), one B(2), one B(5), and two equivalent B(7) atoms. Both Sr(2)-Sr(2) bond lengths are 3.21 Å. The Sr(2)-Ni(5) bond length is 2.80 Å. There is one shorter (3.41 Å) and one longer (3.42 Å) Sr(2)-Ni(3) bond length. There is one shorter (3.16 Å) and one longer (3.19 Å) Sr(2)-Ni(4) bond length. There is one shorter (3.20 Å) and one longer (3.21 Å) Sr(2)-Ni(8) bond length. The Sr(2)-B(1) bond length is 2.75 Å. The Sr(2)-B(2) bond length is 2.64 Å. The Sr(2)-B(5) bond length is 3.12 Å. Both Sr(2)-B(7) bond lengths are 2.98 Å. In the third Sr site, Sr(3) is bonded in a 15-coordinate geometry to one Sr(4), two equivalent Sr(3), one Ni(3), one Ni(8), two equivalent Ni(1), two equivalent Ni(2), two equivalent Ni(5), one B(3), one B(4), and two equivalent B(6) atoms. The Sr(3)-Sr(4) bond length is 3.13 Å. Both Sr(3)-Sr(3) bond lengths are 3.21 Å. The Sr(3)-Ni(3) bond length is 2.65 Å. The Sr(3)-Ni(8) bond length is 3.26 Å. There is one shorter (3.10 Å) and one longer (3.13 Å) Sr(3)-Ni(1) bond length. There is one shorter (3.49 Å) and one longer (3.50 Å) Sr(3)-Ni(2) bond length. There is one shorter (3.02 Å) and one longer (3.03 Å) Sr(3)-Ni(5) bond length. The Sr(3)-B(3) bond length is 2.83 Å. The Sr(3)-B(4) bond length is 2.90 Å. Both Sr(3)-B(6) bond lengths are 3.07 Å. In the fourth Sr site, Sr(4) is bonded in a 15-coordinate geometry to one Sr(3), two equivalent Sr(4), one Ni(4), one Ni(7), two equivalent Ni(1), two equivalent Ni(2), two equivalent Ni(6), one B(3), one B(4), and two equivalent B(5) atoms. Both Sr(4)-Sr(4) bond lengths are 3.21 Å. The Sr(4)-Ni(4) bond length is 2.64 Å. The Sr(4)-Ni(7) bond length is 3.27 Å. Both Sr(4)-Ni(1) bond lengths are 3.48 Å. There is one shorter (3.10 Å) and one longer (3.13 Å) Sr(4)-Ni(2) bond length. There is one shorter (3.02 Å) and one longer (3.03 Å) Sr(4)-Ni(6) bond length. The Sr(4)-B(3) bond length is 2.90 Å. The Sr(4)-B(4) bond length is 2.84 Å. Both Sr(4)-B(5) bond lengths are 3.07 Å. There are eight inequivalent Ni sites. In the first Ni site, Ni(1) is bonded in a 2-coordinate geometry to two equivalent Sr(3), two equivalent Sr(4), one Ni(6), and two equivalent B(8) atoms. The Ni(1)-Ni(6) bond length is 2.46 Å. There is one shorter (1.98 Å) and one longer (1.99 Å) Ni(1)-B(8) bond length. In the second Ni site, Ni(2) is bonded in a 2-coordinate geometry to two equivalent Sr(3), two equivalent Sr(4), one Ni(5), and two equivalent B(7) atoms. The Ni(2)-Ni(5) bond length is 2.46 Å. There is one shorter (1.98 Å) and one longer (1.99 Å) Ni(2)-B(7) bond length. In the third Ni site, Ni(3) is bonded in a 3-coordinate geometry to one Sr(3), two equivalent Sr(1), two equivalent Sr(2), two equivalent Ni(5), and two equivalent B(6) atoms. Both Ni(3)-Ni(5) bond lengths are 2.87 Å. Both Ni(3)-B(6) bond lengths are 2.03 Å. In the fourth Ni site, Ni(4) is bonded in a 3-coordinate geometry to one Sr(4), two equivalent Sr(1), two equivalent Sr(2), two equivalent Ni(6), and two equivalent B(5) atoms. There is one shorter (2.88 Å) and one longer (2.89 Å) Ni(4)-Ni(6) bond length. Both Ni(4)-B(5) bond lengths are 2.03 Å. In the fifth Ni site, Ni(5) is bonded in a 10-coordinate geometry to one Sr(2), two equivalent Sr(3), one Ni(2), two equivalent Ni(3), two equivalent B(3), and two equivalent B(7) atoms. There is one shorter (2.11 Å) and one longer (2.14 Å) Ni(5)-B(3) bond length. There is one shorter (2.15 Å) and one longer (2.16 Å) Ni(5)-B(7) bond length. In the sixth Ni site, Ni(6) is bonded in a 10-coordinate geometry to one Sr(1), two equivalent Sr(4), one Ni(1), two equivalent Ni(4), two equivalent B(4), and two equivalent B(8) atoms. There is one shorter (2.11 Å) and one longer (2.14 Å) Ni(6)-B(4) bond length. There is one shorter (2.15 Å) and one longer (2.16 Å) Ni(6)-B(8) bond length. In the seventh Ni site, Ni(7) is bonded in a 5-coordinate geometry to one Sr(4), two equivalent Sr(1), one B(8), two equivalent B(1), and two equivalent B(5) atoms. The Ni(7)-B(8) bond length is 2.14 Å. There is one shorter (2.11 Å) and one longer (2.12 Å) Ni(7)-B(1) bond length. There is one shorter (2.07 Å) and one longer (2.08 Å) Ni(7)-B(5) bond length. In the eighth Ni site, Ni(8) is bonded in a 5-coordinate geometry to one Sr(3), two equivalent Sr(2), one B(7), two equivalent B(2), and two equivalent B(6) atoms. The Ni(8)-B(7) bond length is 2.15 Å. There is one shorter (2.11 Å) and one longer (2.12 Å) Ni(8)-B(2) bond length. There is one shorter (2.07 Å) and one longer (2.08 Å) Ni(8)-B(6) bond length. There are eight inequivalent B sites. In the first B site, B(1) is bonded in a 6-coordinate geometry to one Sr(1), one Sr(2), two equivalent Ni(7), one B(2), and one B(5) atom. The B(1)-B(2) bond length is 1.62 Å. The B(1)-B(5) bond length is 1.71 Å. In the second B site, B(2) is bonded in a 6-coordinate geometry to one Sr(1), one Sr(2), two equivalent Ni(8), one B(1), and one B(6) atom. The B(2)-B(6) bond length is 1.71 Å. In the third B site, B(3) is bonded in a 6-coordinate geometry to one Sr(3), one Sr(4), two equivalent Ni(5), one B(4), and one B(7) atom. The B(3)-B(4) bond length is 1.67 Å. The B(3)-B(7) bond length is 1.73 Å. In the fourth B site, B(4) is bonded in a 6-coordinate geometry to one Sr(3), one Sr(4), two equivalent Ni(6), one B(3), and one B(8) atom. The B(4)-B(8) bond length is 1.73 Å. In the fifth B site, B(5) is bonded in a 5-coordinate geometry to one Sr(2), two equivalent Sr(4), two equivalent Ni(4), two equivalent Ni(7), and one B(1) atom. In the sixth B site, B(6) is bonded in a 5-coordinate geometry to one Sr(1), two equivalent Sr(3), two equivalent Ni(3), two equivalent Ni(8), and one B(2) atom. In the seventh B site, B(7) is bonded in a 8-coordinate geometry to two equivalent Sr(2), one Ni(8), two equivalent Ni(2), two equivalent Ni(5), and one B(3) atom. In the eighth B site, B(8) is bonded in a 8-coordinate geometry to two equivalent Sr(1), one Ni(7), two equivalent Ni(1), two equivalent Ni(6), and one B(4) atom.