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CHLOROCARBOXYLATES OF TANTALUM AND NIOBIUM - X-RAY CRYSTAL AND MOLECULAR-STRUCTURES OF [TACL4(O(2)CR)](2) (R=P-CLC6H4) AND [NBCL4(O(2)CR)](2) (R=C6F5)
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UNSPECIFIED (1994) CHLOROCARBOXYLATES OF TANTALUM AND NIOBIUM - X-RAY CRYSTAL AND MOLECULAR-STRUCTURES OF [TACL4(O(2)CR)](2) (R=P-CLC6H4) AND [NBCL4(O(2)CR)](2) (R=C6F5). POLYHEDRON, 13 (15-16). pp. 2265-2270. ISSN 0277-5387.
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Abstract
Reactions of TaCl5 with aromatic acids have been found to yield the chlorocarboxylates [TaCl4(O(2)CR)](2) (R = Ph, p-FC6H4, p-ClC6H4 (1); o-CH3C6H4 and 2,6-Cl2C6H3). With NbCl5 mixtures were obtained and only reaction with C6F5CO2H yielded the pure chlorocarboxylate [NbCl4(O(2)CR)](2) (2). Crystal structure analysis of 1 evinced a tantalum dimer containing two syn-syn bridging carboxylate groups; a similar bonding arrangement was also found in the analogous niobium derivative 2.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QD Chemistry | ||||
Journal or Publication Title: | POLYHEDRON | ||||
Publisher: | PERGAMON-ELSEVIER SCIENCE LTD | ||||
ISSN: | 0277-5387 | ||||
Official Date: | August 1994 | ||||
Dates: |
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Volume: | 13 | ||||
Number: | 15-16 | ||||
Number of Pages: | 6 | ||||
Page Range: | pp. 2265-2270 | ||||
Publication Status: | Published |
Data sourced from Thomson Reuters' Web of Knowledge
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