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UIr2 is Cubic Laves structured and crystallizes in the cubic Fd-3m space group. The structure is three-dimensional. U is bonded in a 12-coordinate geometry to twelve equivalent Ir atoms. All U–Ir bond lengths are 3.12 Å. Ir is bonded to six equivalent U and six equivalent Ir atoms to form a mixture of edge, face, and corner-sharing IrU6Ir6 cuboctahedra. All Ir–Ir bond lengths are 2.66 Å.
LuIr2 is Cubic Laves structured and crystallizes in the cubic Fd-3m space group. The structure is three-dimensional. Lu is bonded in a 12-coordinate geometry to twelve equivalent Ir atoms. All Lu–Ir bond lengths are 3.12 Å. Ir is bonded to six equivalent Lu and six equivalent Ir atoms to form a mixture of edge, corner, and face-sharing IrLu6Ir6 cuboctahedra. All Ir–Ir bond lengths are 2.66 Å.
Ir3Si5 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are six inequivalent Ir4+ sites. In the first Ir4+ site, Ir4+ is bonded in a 6-coordinate geometry to six Si+2.40- atoms. There are a spread of Ir–Si bond distances ranging from 2.37–2.52 Å. In the second Ir4+ site, Ir4+ is bonded in a 6-coordinate geometry to seven Si+2.40- atoms. There are a spread of Ir–Si bond distances ranging from 2.35–3.08 Å. In the third Ir4+ site, Ir4+ is bonded in a 8-coordinate geometry to eight Si+2.40- atoms. There are a spread of Ir–Si bond distances ranging from 2.41–2.84 Å. In the fourth Ir4+ site, Ir4+ is bonded in a 8-coordinate geometry to eight Si+2.40- atoms. There are a spread of Ir–Si bond distances ranging from 2.44–2.70 Å. In the fifth Ir4+ site, Ir4+ is bonded to six Si+2.40- atoms to form distorted corner-sharing IrSi6 octahedra. There are a spread of Ir–Si bond distances ranging from 2.37–2.50 Å. In the sixth Ir4+ site, Ir4+ is bonded to seven Si+2.40- atoms to form distorted IrSi7 hexagonal pyramids that share corners with three equivalent IrSi6 octahedra and an edgeedge with one IrSi7 hexagonal pyramid. The corner-sharing octahedra tilt angles range from 55–63°. There are a spread of Ir–Si bond distances ranging from 2.40–2.52 Å. There are ten inequivalent Si+2.40- sites. In the first Si+2.40- site, Si+2.40- is bonded in a 3-coordinate geometry to four Ir4+ and one Si+2.40- atom. The Si–Si bond length is 2.63 Å. In the second Si+2.40- site, Si+2.40- is bonded in a 4-coordinate geometry to four Ir4+ and four Si+2.40- atoms. There are a spread of Si–Si bond distances ranging from 2.54–2.73 Å. In the third Si+2.40- site, Si+2.40- is bonded in a 6-coordinate geometry to five Ir4+ and one Si+2.40- atom. In the fourth Si+2.40- site, Si+2.40- is bonded in a 4-coordinate geometry to four Ir4+ atoms. In the fifth Si+2.40- site, Si+2.40- is bonded in a 4-coordinate geometry to four Ir4+ atoms. In the sixth Si+2.40- site, Si+2.40- is bonded in a 4-coordinate geometry to four Ir4+ and two Si+2.40- atoms. The Si–Si bond length is 2.74 Å. In the seventh Si+2.40- site, Si+2.40- is bonded in a 4-coordinate geometry to four Ir4+ atoms. In the eighth Si+2.40- site, Si+2.40- is bonded in a 4-coordinate geometry to four Ir4+ and one Si+2.40- atom. In the ninth Si+2.40- site, Si+2.40- is bonded in a 4-coordinate geometry to five Ir4+ and three Si+2.40- atoms. The Si–Si bond length is 2.71 Å. In the tenth Si+2.40- site, Si+2.40- is bonded in a 4-coordinate geometry to four Ir4+ and two Si+2.40- atoms.
LaIrGe3 crystallizes in the tetragonal I4mm space group. The structure is three-dimensional. La is bonded in a 12-coordinate geometry to five equivalent Ir and twelve Ge atoms. There are one shorter (3.47 Å) and four longer (3.56 Å) La–Ir bond lengths. There are a spread of La–Ge bond distances ranging from 3.27–3.49 Å. Ir is bonded in a 5-coordinate geometry to five equivalent La and five Ge atoms. There are one shorter (2.42 Å) and four longer (2.48 Å) Ir–Ge bond lengths. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded in a 2-coordinate geometry to four equivalent La, two equivalent Ir, and two equivalent Ge atoms. Both Ge–Ge bond lengths are 2.76 Å. In the second Ge site, Ge is bonded in a 1-coordinate geometry to four equivalent La, one Ir, and four equivalent Ge atoms.
NpIr2 is Cubic Laves structured and crystallizes in the cubic Fd-3m space group. The structure is three-dimensional. Np is bonded in a 12-coordinate geometry to twelve equivalent Ir atoms. All Np–Ir bond lengths are 3.10 Å. Ir is bonded to six equivalent Np and six equivalent Ir atoms to form a mixture of edge, face, and corner-sharing IrNp6Ir6 cuboctahedra. All Ir–Ir bond lengths are 2.64 Å.
ScIr2 is Cubic Laves structured and crystallizes in the cubic Fd-3m space group. The structure is three-dimensional. Sc is bonded in a 12-coordinate geometry to twelve equivalent Ir atoms. All Sc–Ir bond lengths are 3.07 Å. Ir is bonded to six equivalent Sc and six equivalent Ir atoms to form a mixture of edge, corner, and face-sharing IrSc6Ir6 cuboctahedra. All Ir–Ir bond lengths are 2.62 Å.
Ir3Ta is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Ta is bonded to twelve equivalent Ir atoms to form TaIr12 cuboctahedra that share corners with twelve equivalent TaIr12 cuboctahedra, edges with twenty-four equivalent IrTa4Ir8 cuboctahedra, faces with six equivalent TaIr12 cuboctahedra, and faces with twelve equivalent IrTa4Ir8 cuboctahedra. All Ta–Ir bond lengths are 2.78 Å. Ir is bonded to four equivalent Ta and eight equivalent Ir atoms to form distorted IrTa4Ir8 cuboctahedra that share corners with twelve equivalent IrTa4Ir8 cuboctahedra, edges with eight equivalent TaIr12 cuboctahedra, edges with sixteen equivalent IrTa4Ir8 cuboctahedra, faces with four equivalent TaIr12 cuboctahedra, and faces with fourteen equivalent IrTa4Ir8 cuboctahedra. All Ir–Ir bond lengths are 2.78 Å.
YIr2 is Cubic Laves structured and crystallizes in the cubic Fd-3m space group. The structure is three-dimensional. Y is bonded in a 12-coordinate geometry to twelve equivalent Ir atoms. All Y–Ir bond lengths are 3.15 Å. Ir is bonded to six equivalent Y and six equivalent Ir atoms to form a mixture of face, edge, and corner-sharing IrY6Ir6 cuboctahedra. All Ir–Ir bond lengths are 2.68 Å.
PuIr2 is Cubic Laves structured and crystallizes in the cubic Fd-3m space group. The structure is three-dimensional. Pu is bonded in a 12-coordinate geometry to twelve equivalent Ir atoms. All Pu–Ir bond lengths are 3.10 Å. Ir is bonded to six equivalent Pu and six equivalent Ir atoms to form a mixture of edge, face, and corner-sharing IrPu6Ir6 cuboctahedra. All Ir–Ir bond lengths are 2.64 Å.
LaIrSi3 crystallizes in the tetragonal I4mm space group. The structure is three-dimensional. La is bonded in a 12-coordinate geometry to five equivalent Ir and twelve Si atoms. All La–Ir bond lengths are 3.41 Å. There are a spread of La–Si bond distances ranging from 3.15–3.39 Å. Ir is bonded in a 5-coordinate geometry to five equivalent La and five Si atoms. All Ir–Si bond lengths are 2.40 Å. There are two inequivalent Si sites. In the first Si site, Si is bonded in a distorted bent 120 degrees geometry to four equivalent La, two equivalent Ir, and two equivalent Si atoms. Both Si–Si bond lengths are 2.61 Å. In the second Si site, Si is bonded in a distorted single-bond geometry to four equivalent La, one Ir, and four equivalent Si atoms.
PaIr3 is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Pa is bonded to twelve equivalent Ir atoms to form PaIr12 cuboctahedra that share corners with twelve equivalent PaIr12 cuboctahedra, edges with twenty-four equivalent IrPa4Ir8 cuboctahedra, faces with six equivalent PaIr12 cuboctahedra, and faces with twelve equivalent IrPa4Ir8 cuboctahedra. All Pa–Ir bond lengths are 2.89 Å. Ir is bonded to four equivalent Pa and eight equivalent Ir atoms to form distorted IrPa4Ir8 cuboctahedra that share corners with twelve equivalent IrPa4Ir8 cuboctahedra, edges with eight equivalent PaIr12 cuboctahedra, edges with sixteen equivalent IrPa4Ir8 cuboctahedra, faces with four equivalent PaIr12 cuboctahedra, and faces with fourteen equivalent IrPa4Ir8 cuboctahedra. All Ir–Ir bond lengths are 2.89 Å.
TmIr2 is Cubic Laves structured and crystallizes in the cubic Fd-3m space group. The structure is three-dimensional. Tm is bonded in a 12-coordinate geometry to twelve equivalent Ir atoms. All Tm–Ir bond lengths are 3.13 Å. Ir is bonded to six equivalent Tm and six equivalent Ir atoms to form a mixture of face, edge, and corner-sharing IrTm6Ir6 cuboctahedra. All Ir–Ir bond lengths are 2.67 Å.
WIr is beta-prime cadmium gold structured and crystallizes in the orthorhombic Pmma space group. The structure is three-dimensional. W is bonded to four equivalent W and eight equivalent Ir atoms to form WIr8W4 cuboctahedra that share corners with eight equivalent IrIr4W8 cuboctahedra, corners with ten equivalent WIr8W4 cuboctahedra, edges with six equivalent WIr8W4 cuboctahedra, edges with twelve equivalent IrIr4W8 cuboctahedra, faces with eight equivalent IrIr4W8 cuboctahedra, and faces with twelve equivalent WIr8W4 cuboctahedra. There are two shorter (2.78 Å) and two longer (2.80 Å) W–W bond lengths. There are a spread of W–Ir bond distances ranging from 2.75–2.82 Å. Ir is bonded to eight equivalent W and four equivalent Ir atoms to form IrIr4W8 cuboctahedra that share corners with eight equivalent WIr8W4 cuboctahedra, corners with ten equivalent IrIr4W8 cuboctahedra, edges with six equivalent IrIr4W8 cuboctahedra, edges with twelve equivalent WIr8W4 cuboctahedra, faces with eight equivalent WIr8W4 cuboctahedra, and faces with twelve equivalent IrIr4W8 cuboctahedra. There are two shorter (2.78 Å) and two longer (2.82 Å) Ir–Ir bond lengths.
WIr3 is beta Cu3Ti-like structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. W is bonded to twelve equivalent Ir atoms to form WIr12 cuboctahedra that share corners with six equivalent WIr12 cuboctahedra, corners with twelve equivalent IrIr8W4 cuboctahedra, edges with eighteen equivalent IrIr8W4 cuboctahedra, faces with eight equivalent WIr12 cuboctahedra, and faces with twelve equivalent IrIr8W4 cuboctahedra. There are six shorter (2.74 Å) and six longer (2.78 Å) W–Ir bond lengths. Ir is bonded to four equivalent W and eight equivalent Ir atoms to form IrIr8W4 cuboctahedra that share corners with four equivalent WIr12 cuboctahedra, corners with fourteen equivalent IrIr8W4 cuboctahedra, edges with six equivalent WIr12 cuboctahedra, edges with twelve equivalent IrIr8W4 cuboctahedra, faces with four equivalent WIr12 cuboctahedra, and faces with sixteen equivalent IrIr8W4 cuboctahedra. There are a spread of Ir–Ir bond distances ranging from 2.74–2.78 Å.
SrIr2 is Cubic Laves structured and crystallizes in the cubic Fd-3m space group. The structure is three-dimensional. Sr is bonded in a 12-coordinate geometry to twelve equivalent Ir atoms. All Sr–Ir bond lengths are 3.22 Å. Ir is bonded to six equivalent Sr and six equivalent Ir atoms to form a mixture of face, edge, and corner-sharing IrSr6Ir6 cuboctahedra. All Ir–Ir bond lengths are 2.74 Å.
IrGe4 crystallizes in the trigonal P3_1 space group. The structure is three-dimensional. Ir is bonded in a 8-coordinate geometry to eight Ge atoms. There are a spread of Ir–Ge bond distances ranging from 2.55–2.64 Å. There are four inequivalent Ge sites. In the first Ge site, Ge is bonded in a 4-coordinate geometry to two equivalent Ir and three Ge atoms. There are two shorter (2.61 Å) and one longer (2.90 Å) Ge–Ge bond lengths. In the second Ge site, Ge is bonded in a 2-coordinate geometry to two equivalent Ir and seven Ge atoms. There are a spread of Ge–Ge bond distances ranging from 2.77–2.87 Å. In the third Ge site, Ge is bonded in a 2-coordinate geometry to two equivalent Ir and three Ge atoms. In the fourth Ge site, Ge is bonded in a 2-coordinate geometry to two equivalent Ir and three Ge atoms.
IrPb crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Ir is bonded in a 8-coordinate geometry to two equivalent Ir and six equivalent Pb atoms. Both Ir–Ir bond lengths are 2.84 Å. All Ir–Pb bond lengths are 2.81 Å. Pb is bonded in a 6-coordinate geometry to six equivalent Ir atoms.
CaIr2 is Cubic Laves structured and crystallizes in the cubic Fd-3m space group. The structure is three-dimensional. Ca is bonded in a 12-coordinate geometry to twelve equivalent Ir atoms. All Ca–Ir bond lengths are 3.15 Å. Ir is bonded to six equivalent Ca and six equivalent Ir atoms to form a mixture of corner, edge, and face-sharing IrCa6Ir6 cuboctahedra. All Ir–Ir bond lengths are 2.68 Å.