Synthesis and characterization of a large heterometallic alkoxide cation: Self-assembly and rational route to [Co2 Ta2 (OMe)12 (MeCN)4]2 + [CoCl3 (MeCN)]2-

Inorganic Chemistry Communications

Volumn 9, Issue 7, 2006, Pages 667-670

  Nunes, Giovana G ^a   Kessler, Vadim G ^a  

^a SWEDISH UNIVERSITY OF AGRICULTURAL SCIENCES   (Sweden)

Author keywords

Cobalt; Heterometallic alkoxide cation; Polymerization catalyst; Tantalum

Indexed keywords

EID: 33744997618     PISSN: 13877003     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.inoche.2006.03.029     Document Type: Article

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15. α radiation. All the structures were solved by direct methods. The SAINT PLUS and the SHELXTL program packages were used for data reduction and computations [27].
16. +.
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18. 2 = 0.1609 (all data). Selected bonds and angles: Ta(1)-O(1) 2.089(8); Ta(1)-O(2) 2.070(8); Ta(1)-O(3)′ 2.031(8); Ta(1)-O(4) 1.864(5); Co(1)-O(1) 2.151(7); Co(1)-O(1)′ 2.169(7); Co(1)-O(2) 1.990(10); Co(1)-O(3) 2.025(8); Co(1)-N(2) 2.118(12); O(3)′-Ta(1)-O(1) 76.0(3); O(4)-Ta(1)-O(3)′ 169.1(4); O(2)-Co(1)-O(1) 75.5(3); O(1)′-Co(1)-O(3) 74.4(3); N(2)-Co(1)-O(1) 168.4(4).
19. wR2 = 0.1066 (all data). Ta(1)-O(2) 2.038(4); Ta(1)-O(3) 2.027(6); Ta(1)-O(4) 1.891(7); Co(1)-O(1) 2.151(4); Co(1)-O(1)′ 2.143(5); Co(1)-O(2) 2.048(4); Co(1)-N(2) 2.096(7); O(3)-Ta(1)-O(1) 75.67(18); O(4)-Ta(1)-O(3) 167.5(2); O(2)-Co(1)-O(1) 76.49(18); O(3)′-Co(1)-O(1)′ 75.1(2); N(1)-Co(1)-O(1)′ 170.0(2).
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