Synthesis and structure of bis(tetraphenylantimony) malonate

Bis(tetraphenylantimony) malonate was synthesized by the reaction of tetraphenylantimony bromide with silver malonate (the molar ratio was 2:1) in toluene. According to the X-ray diffraction data, the tridentate carboxylate ligand is a chelate. The coordination number of the Sb(1) atom involved in a...

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Bibliographic Details
Published in:Russian chemical bulletin 2020-07, Vol.69 (7), p.1279-1283
Main Authors: Egorova, I. V., Zhidkov, V. V., Zubakina, I. N., Rodionova, N. A.
Format: Article
Language:English
Subjects:
Antimony
Carbonyls
Chemical synthesis
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
Coordination numbers
Full Articles
Inorganic Chemistry
Organic Chemistry
Toluene
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Summary:Bis(tetraphenylantimony) malonate was synthesized by the reaction of tetraphenylantimony bromide with silver malonate (the molar ratio was 2:1) in toluene. According to the X-ray diffraction data, the tridentate carboxylate ligand is a chelate. The coordination number of the Sb(1) atom involved in a contact with the carbonyl oxygen atom increases to six (Sb(1)—O(1), 2.199(7) Å; Sb(1)—O(3), 2.362(7) Å). Another antimony atom remains five-coordinate (Sb(2)—O(4), 2.304(7) Å). The antimony atoms Sb(1) and Sb(2) have distorted octahedral and trigonal-bipyramidal coordination geometry, respectively.
ISSN:1066-5285
1573-9171
DOI:10.1007/s11172-020-2898-0