Didysprosium heptanickel
نویسندگان
چکیده
The title compound, Dy(2)Ni(7), adopts the β-Gd(2)Co(7)-type structure type. The asymmetric unit contains two Dy sites (both site symmetry 3m) and five Ni sites (site symmetries .m, .2/m and -3m, and two 3m). The four different Ni coordination polyhedra are Frank-Kasper icosa-hedra formed by five Dy and seven Ni atoms, four Dy and eight Ni, three Dy and nine Ni, and six Dy and six Ni atoms, respectively. The two different Dy coordination polyhedra are either pseudo Frank-Kasper icosa-hedra formed by two Dy and 18 Ni atoms or normal Frank-Kasper icosa-hedra formed by four Dy and 12 Ni atoms.
منابع مشابه
Poly[[diaquatris[μ4-(p-phenylenedioxy)diacetato]didysprosium(III)] dihydrate]
The title dysprosium coordination polymer, {[Dy(2)(C(10)H(8)O(6))(3)(H(2)O)(2)]·2H(2)O}(n), was synthesized by reacting dysprosium(III) nitrate and the flexible ligand (p-phenyl-enedi-oxy)diacetic acid under hydro-thermal conditions. Each Dy(III) ion is coordinated by nine O atoms in a tricapped trigonal prismatic geometry. The DyO(9) polyhedra form layers parallel to the bc plane. The rigid be...
متن کاملPoly[hexaaquatri-μ-malonato-didysprosium(III)]
The title compound, [Dy(2)(C(3)H(2)O(4))(3)(H(2)O)(6)](n), forms a coordination polymeric structure comprising hydrated dysprosium ions and malonate ligands. In the asymmetric unit, there are one dysprosium ion, one and a half malonate ligands, and three water mol-ecules. Each Dy(III) atom is coordinated by six O atoms from four malonate ligands and by three water mol-ecules, and displays a tri...
متن کاملPoly[[diaqua-μ6-succinato-di-μ5-succinato-didysprosium(III)] monohydrate]
The title compound, {[Dy(2)(C(4)H(4)O(4))(3)(H(2)O)(2)]·H(2)O}(n), is isostructural with other lanthanide succinates of the same formula. The Dy(III) atom is nine-coordinated in a tricapped trigonal-prismatic environment by eight O atoms, derived from six carboxyl-ate groups and a water mol-ecule. One of the independent succinate anions is located about a crystallographic inversion center and t...
متن کاملPoly[[diaquabis(2,2′-bipyridine-κ2 N,N′)(μ3-5-hydroxyisophthalato-κ5 O 1,O 1′:O 3,O 3′:O 3′)(μ3-5-hydroxyisophthalato-κ4 O 1,O 1′:O 3:O 3′)(μ2-5-hydroxyisophthalato-κ3 O 1,O 1′:O 3)didysprosium(III)] dihydrate]
The polymeric title compound, {[Dy(2)(C(8)H(4)O(5))(3)(C(10)H(8)N(2))(2)(H(2)O)(2)]·2H(2)O}(n), contains two independent Dy(III) ions, both of which are nine-coordinated in a distorted tricapped trigonal-prismatic geometry. One Dy(III) ion is coordinated by five 5-hy-droxy-isophthalate (hip) ligands and one 2,2'-bipyridine (bpy) ligand and the other by three hip ligands, one bpy ligand and two ...
متن کاملCrystal structure of poly[μ6-adipato-diaquadi-μ2-oxalato-didysprosium(III)]
In the title coordination polymer, [Dy2(C6H8O4)(C2O4)2(H2O)2] n , the asymmetric unit consists of one Dy(3+) cation, one half of an adipate anion, two halves of oxalate anions and one coordinating water mol-ecule. The adipate and oxalate ions are located on centres of inversion. The Dy(3+) cation has a distorted tricapped trigonal-prismatic geometry and is coordinated by nine O atoms, four belo...
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