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An uncommon Cu[2+4]O6 coordination polyhedron in the crystal structure of KCu3(OH)2[(AsO4)H(AsO4)] (with a comparison to related structure types)
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25. August 2010
Abstract
Crystals of KCu3(OH)2[(AsO4)H(AsO4)] were synthesized under hydrothermal conditions at ∼ 500 K. The crystal structure was solved from 1386 single crystal X-ray data: a = 10.292(5) Å, b = 5.983(3) Å, c = 7.877(4) Å, β = 117.86(2)°, space group C2/m, Z = 2, R = 0.033. One of the two crystallographically different copper coordination polyhedra is a “compressed octahedron” with two “short” (axial) and four “medium” (equatorial) Cu – O bonds [1.899(2) Å, 2× and 2.186(1) Å, 4×]. The other Cu atom as usual is [4 + 2] coordinated [Cu – O = 1.934(1) Å, 2×, 2.000(1) Å, 2×, and 2.428(2) Å, 2×]. Each two arsenate tetrahedra are connected to dimers by a symmetry restricted hydrogen bond of 2.490(6) Å. The structure type of KCu3(OH)2[(AsO4)H(AsO4)] is strongly related with that of NaCu2(H3O2)(SO4)2 (natrochalcite) and Cu2O(SO4) (dolerophanite).
Published Online: 2010-08-25
Published in Print: 1989
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Artikel in diesem Heft
- Structure of 2,10-dibromo-3-chloro-7R,8S-epoxychamigrene
- Structural determination of a lead-lithium monophosphate, LiPbPO4
- Reciprocal lattice scan modes in single crystal diffractometry: a reexamination for cases of mineralogical interest
- Experimental charge density in polythionate anions: II. X-ray study of the electron density distribution in potassium tetrathionate, K2S4O6
- An uncommon Cu[2+4]O6 coordination polyhedron in the crystal structure of KCu3(OH)2[(AsO4)H(AsO4)] (with a comparison to related structure types)
- Some aspects of information theory and phase problem: Effect of heavy atoms on information content in P[unk]
- The crystal structure of hexaaquacopper(II) bis(7-oxabicyclo[2.2.1]heptane-2,3-dicarboxylato)cuprate(II)
- Crystal and molecular structure of an isostere of purine ring system: 7-benzylamino-2-methylmercaptothiazolo [5,4-d] pyrimidine
- A novel form of molybdenum (V) phosphate: δ-KMo2P3O13
- Structure cristalline et moléculaire du camphosulfonate de l'α-(tétrahydro-4,5,6,7 thiéno (3,2-c) pyridyl-5) (chloro-2 phényl)-acétate de méthyle, C26H32NO6S2Cl. Configuration absolue
- Verfeinerung der Kristallstruktur von Holmquistit vom Brandrücken/Weinebene, Koralpe, Österreich
- Structural relationships of zeolite frameworks: “5-ring zeolites”
- Symmetry restrictions on minimal surfaces related by the Bonnet-transformation
- Crystal and molecular structure of N-p-fluorobenzoyl-l-valine
- Thermal decay of laser-induced long living metastable electronic states in Na2[Fe(CN)5NO] · 2H2O single crystals
- Crystal structures of three substituted ammonium hexachlororhenates(IV)
