Synthesis and structure of [Nd(C6NO2H5)3(H2O)2]2n· (3nHgCl4) · (4nH2O)
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Xiao-Niu Fang
Abstract
Hydrothermal reaction of NdCl3 · 6 H2O, HgCl2 and isonicotinic acid gave a bimetallic 4f-5d metal-isonicotinato complex [Nd(C6NO2H5)3(H2O)2]2n · (3nHgCl4) · (4nH2O) (1) and an X-ray crystal structure analysis reveals that it features a one-dimensional polycationic chain-like structure. The crystal belongs to the monoclinic, space group C2/c with a = 24.208(1), b = 20.842(1), c = 15.379(1) Å, β = 127.759(1)°, V = 6134.5(7) Å3, Z = 4, C36H46Cl12Hg3N6Nd2O20, Mr = 2198.44, Dc = 2.380 g/cm3, S = 0.986, μ(MoKα) = 9.738 mm–1, F(000) = 4112, R = 0.0384 and wR = 0.0848. The neodymium atom has a distorted square anti-prism geometry, coordinated by eight oxygen atoms. Each mercury atom is bound by four chlorine atoms to form a HgCl42– tetrahedron. The [Nd(C6NO2H5)3(H2O)2]2n6n+ species, HgCl42– anions and lattice water molecules are held together via hydrogen bonds to form a three-dimensional framework.
© by Oldenbourg Wissenschaftsverlag, München, Germany
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Articles in the same Issue
- Point groups in crystallography
- Non-hydrostatic compression of zeolite NaA in water medium: connection to anomalous conductivity
- Sodium hydrogencarbonate (NaHCO3): coincidence-site lattice twinning and structure refinement
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- Structural, spectroscopic and EPR studies of tetraethylammonium tetramethylammonium tetrabomocuprate (II) complex
- Synthesis and structure of [Nd(C6NO2H5)3(H2O)2]2n· (3nHgCl4) · (4nH2O)
- 1,4-diazabicyclo[2.2.2]octane-1,4-diium dihydrogen phosphate monohydrate from X-ray and neutron data
- On the concept of long range order in solids: The use of algorithmic complexity
