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PREPARATIONS AND STRUCTURAL CORRELATIONS FOR THE COMPLEXES OF M(III) HALIDES (M = AS, SB, BI) WITH CROWN-ETHERS - STRUCTURES OF ASCL3.12-CROWN-4, ASCL3.15-CROWN-5, SBCL3.12-CROWN-4 AND BICL3.15-CROWN-5-ASTERISK AND AN EVALUATION OF RELATIVE BINDING STRENGTHS FOR CROWN LIGANDS
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UNSPECIFIED. (1993) PREPARATIONS AND STRUCTURAL CORRELATIONS FOR THE COMPLEXES OF M(III) HALIDES (M = AS, SB, BI) WITH CROWN-ETHERS - STRUCTURES OF ASCL3.12-CROWN-4, ASCL3.15-CROWN-5, SBCL3.12-CROWN-4 AND BICL3.15-CROWN-5-ASTERISK AND AN EVALUATION OF RELATIVE BINDING STRENGTHS FOR CROWN LIGANDS. ACTA CRYSTALLOGRAPHICA SECTION B-STRUCTURAL SCIENCE, 49 (Part 3). pp. 507-514. ISSN 0108-7681
Full text not available from this repository.Abstract
The preparations and structures of four new complexes are reported in the family of MCl3.crown complexes (M = As, Sb, Bi; crown = 12-crown-4, 15-crown-5, 18-crown-6). The structures of the eight isolable members of the family are compared and trends established. The M-O bonding is much weaker than the M-Cl bonding, becoming stronger in the order Bi > Sb > As and 12-crown-4 > 15-crown-5 > 18-crown-6. The Cl-M-Cl angles are reduced compared to those in the free halides, but the M-Cl bonds are only slightly lengthened. The crown torsion angles show characteristic patterns involving gauche C-C bonds and alternating gauche and anti C-O bonds.
| Item Type: | Journal Article |
|---|---|
| Subjects: | Q Science > QD Chemistry |
| Journal or Publication Title: | ACTA CRYSTALLOGRAPHICA SECTION B-STRUCTURAL SCIENCE |
| Publisher: | MUNKSGAARD INT PUBL LTD |
| ISSN: | 0108-7681 |
| Date: | 1 June 1993 |
| Volume: | 49 |
| Number: | Part 3 |
| Number of Pages: | 8 |
| Page Range: | pp. 507-514 |
| Publication Status: | Published |
| URI: | http://wrap.warwick.ac.uk/id/eprint/21229 |
Data sourced from Thomson Reuters' Web of Knowledge
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