Crystal structures of three complexes structurally similar to KTbW(CN)8 · 7H2O

Sereda, Olha; Typilo, Iryna; Stœckli-Evans, Helen; Semenyshyn, Dariya; Gladyshevskii, R.

doi:10.1134/s1070328411020102

Cited by 2 publications

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“…The compounds I and II have similar structures and are isostructural to KLaMo(CN) 8 •9H 2 O [7], but differ substantially from the structures of other octacyano complexes of molybdenum and tungsten(V,IV) [3][4][5][6][7][8][9][10][11][12][13] [3], Sm [6]), which belong to the space group P4/ncc. The water molecules in all these compounds are included in the coordination sphere of the lanthanide ions.…”

Section: Discussionmentioning

confidence: 99%

“…The complexes I, II and KLaMo(CN) 8 •9H 2 O differ from other cyano complexes of Mo(IV), W(IV) by the higher number of water molecules, which results in a considerably different structure [8][9][10][11][12][13]. In these compounds, the coordination polyhedra of the Mo and W atoms are slightly different.…”

Section: Discussionmentioning

confidence: 99%

“…In a number of our works the crystal structures of heterocationic octacyanometallate complexes of Mo(IV) and W(IV) with lanthanide and potassium have been investigated: [9], Dy [10], Ho, Er [11], Lu [12] and M = Mo IV , Ln = Y [11], Gd [12 ], Yb [13].…”

Section: Introductionmentioning

confidence: 99%

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Investigation of the crystal structures of new cyano-bridged compounds with KLaMo(CN)8·9H2O structure type

Semenyshyn¹,

Gladyshevskii²,

Stœckli-Evans³

et al. 2014

Chem. Met. Alloys

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The crystal structures of KLaW(CN) 8 •9H 2 O (I) and KNdW(CN) 8 •9H 2 O (II), isostructural with KLaMo(CN) 8 •9H 2 O, have been solved from X-ray single-crystal diffraction data. The compounds crystallize in the monoclinic system, space group P2 1 /c (I: a = 8.7692(4), b = 25.2705(11), c = 10.7017(5) Å, β = 117.004(3)º, V = 2112.96(17) Å 3 , Ζ = 4, D x = 2.302 g•cm-3 , R1 = 0.0440 and wR2 = 0.1012 for 3988 independent reflections; II: a = 8.7425(4), b = 25.1085(11), c = 10.6210(5) Å, β = 117.218(3)º, V = 2073.27(17) Å 3 , Ζ = 4, D x = 2.363 g•cm-3 , R1 = 0.0400 and wR2 = 0.0893 for 3916 independent reflections). The coordination polyhedra of the tungsten atoms are [W(CN) 8 ] 4square antiprisms, whereas the [LnN 4 (H 2 O) 5 ] 3+ (Ln = La, Nd) polyhedra can be described as tricapped trigonal prisms or monocapped square antiprisms; the potassium atoms center distorted monocapped trigonal prisms, [KN 3 (OH 2) 4 ]. The formula of the coordination polymer can be written as {[K(H 2 O) 2 ][Ln(H 2 O) 5 ][W(CN) 8 ]} n •2nH 2 O,

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Investigation of the crystal structures of new cyano-bridged compounds with KLaMo(CN)8·9H2O structure type

Semenyshyn¹,

Gladyshevskii²,

Stœckli-Evans³

et al. 2014

Chem. Met. Alloys

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“…The synthesis of cyano complexes of molybdenum and tungsten, investigation of their crystal structures were reported in works [3][4][5][6][7][8][9][10] 8 ] with lanthanide carbonates or chlorides in the aqueous solution. The solutions were stored in dark at room temperature after their mixing.…”

Section: Methodsmentioning

confidence: 99%

Regularities in the Crystal Structures of Heterocationic Octacyanometallates(IV) Molybdenum and Tungsten

Semenyshyn¹,

Typilo²,

Gladyshevskii³

et al. 2013

ChChT

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A review of the crystal structures of octacyanomolybdates(IV) and octacyanotungstates(IV) of {[K(H 2 O)][Ln(H 2 O) 4 ][M(CN) 8 ]·2H 2 O} n ( M 4+ = Mo and Ln 3 + = Y, La, Sm, Gd, Yb, M 4+ = W and Ln 3+ = Tb, Dy, Ho, Er, Lu) composition has been done. These compounds have 3D-structures and contain infinite chains -C≡N-M-N≡C-Ln-, which extend in three dimensions, unlike CeH 3 O[W(CN) 8 ]·6H 2 O, which has 2D-structure. The coordination polyhedra [ M (CN) 8 ] 4-(M 4+ = Mo, W) is different (dodecahedron, square antiprism, bicapped trigonal prism), depending on the nature of the rare-earth elements. The composition and form of the coordination polyhedra of the atoms of rareearth elements (square antiprism, monocapped tetragonal antiprism, tricapped trigonal prism) are also different. All complexes are polymeric compounds and differ in structure from octacyanometallates(IV) d-elements and octacyanometallates(V) f-elements.

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Crystal structures of three complexes structurally similar to KTbW(CN)8 · 7H2O

Cited by 2 publications

References 4 publications

Investigation of the crystal structures of new cyano-bridged compounds with KLaMo(CN)8·9H2O structure type

Investigation of the crystal structures of new cyano-bridged compounds with KLaMo(CN)8·9H2O structure type

Regularities in the Crystal Structures of Heterocationic Octacyanometallates(IV) Molybdenum and Tungsten

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