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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.
Full text not available from this repository, contact author.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 | ||||
| Official Date: | 1 June 1993 | ||||
| Dates: |
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| Volume: | 49 | ||||
| Number: | Part 3 | ||||
| Number of Pages: | 8 | ||||
| Page Range: | pp. 507-514 | ||||
| Publication Status: | Published |
Data sourced from Thomson Reuters' Web of Knowledge
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