Crystal Structure and Characterization of a Large Polyoxotungstate (NH4) 21 {La(H 2 O) 5 [Ni(H 2 O)] 2 As 4 W 40 O 140 }·53H 2 O | Zendy

GangLin Xue | Zendy; Bin Liu | Zendy; WenLiang Wang | Zendy; QianDing Li | Zendy; JiWu Wang | Zendy; DaQi Wang | Zendy

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Crystal Structure and Characterization of a Large Polyoxotungstate (NH4) 21 {La(H 2 O) 5 [Ni(H 2 O)] 2 As 4 W 40 O 140 }·53H 2 O

Author(s) -

GangLin Xue,

Bin Liu,

WenLiang Wang,

QianDing Li,

JiWu Wang,

DaQi Wang

Publication year - 2003

Publication title -

chinese journal of chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.28

H-Index - 41

eISSN - 1614-7065

pISSN - 1001-604X

DOI - 10.1002/cjoc.20030210313

Subject(s) - monoclinic crystal system , chemistry , crystallography , crystal structure , x ray crystallography , crystal (programming language) , infrared spectroscopy , analytical chemistry (journal) , diffraction , physics , programming language , organic chemistry , computer science , optics , chromatography

The heteropolytungstate (NH4) 21 {La(H 2 O) 5 [Ni(H 2 O)] 2 As 4 W 40 O 140 }·53H 2 O is obtained by the reaction of Na 27 [NaAs 4 W 40 O 140 ]· 60H 2 O with NiCl 2 ·6H 2 O, La(NO 3 ) 3 ·6H 2 O and NH 4 Cl at pH‐4.5. The structure and chemical composition are determined by X‐ray diffraction analysis and elemental analysis. The crystal data and main structure refinement are a = 1.9551(3) nm, b = 2.4156(4) nm, c = 3.7068(6) nm, β = 91.505(3)°, V = 17.500 (5) nm 3 , monoclinic crystal system with space group P 2 1 / n , Z = 4, R 1 = 0.0573, wR 2 = 0.0717 [ I >2

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