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The sandwich-type complex Na(H 2 O) 6 (C 6 H 16 O 3 N) 2 [Na 2 (H 2 O) 7 (C 6 H 16 O 3 N)] 2 [(Na(H 2 O) 2 ) 3-  (Cu(H 2 O)) 3 (BiW 9 O 33 ) 2 ]・14H 2 O (1) (C 6 H 16 O 3 N +  = protonated triethanolamine) has been synthesized and structurally characterized by single-crystal X-ray diffraction, IR spectroscopy and TG analysis. The basic framework of 1 is built from a sandwich-type [(Na(H 2 O) 2)3-  (Cu(H 2 O)) 3 (BiW 9 O 33 ) 2 ] 9−  anion, two [Na 2 (H 2 O) 7 (C 6 H 16 O 3 N)] 3+  cations, a free Na(H 2 O) 6  +  cation, and two free C 6 H 16 O 3 N +  units. In compound 1, the [(Na(H 2 O) 2 ) 3 (Cu(H 2 O)) 3-  (BiW 9 O 33 ) 2 ] 9−  anion links two bi-nuclear units [Na2(H2O)7(C6H16O3N)] 3+  to form a [Na 2 - (H 2 O) 7 (C 6 H 16 O 3 N)] 2 [(Na(H 2 O) 2 ) 3 (Cu(H 2 O)) 3 (BiW 9 O33)2] 3−  cluster, and a new 3D supramolecular structure is further constructed by hydrogen bonding interactions among this cluster, the free Na(H 2 O) 6  +  cation, and the free C 6 H 16 O 3 N +  cations. Crystal data: Cu 3 Na 8 Bi 2 W 18 C 24 H 150 O 121 N 4 , monoclinic, C2/c, a = 14.5668(13), b = 23.0405(13), c = 37.412(2) Å , β = 91.569(10)° , Z = 4.

Synthesis and Crystal Structure of a Sandwich-type Transition Metal Complex with Tungstobismutate and Triethanolamine