Kahrs, Christoph, Schmidtmann, Marc, Wickleder, Mathias S. and Christoffers, Jens (2019). Carboxylate Groups in a 90 degrees Arrangement: 1,3-Allenedicarboxylic Acid and Its Alkali Metal and Thallium(I) Coordination Compounds. Eur. J. Inorg. Chem. (22). S. 2781 - 2788. WEINHEIM: WILEY-V C H VERLAG GMBH. ISSN 1099-0682

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Abstract

With its two carboxylate functions arranged in an 90 degrees angle, 1,3-allenedicarboxylic acid (point group C-1) possesses a symmetry distinguished from all other dicarboxylic acids which are generally utilized as linker compounds in coordination polymers or MOFs. Crystal structures of coordination compounds with the 1,3-allenedicarboxylate dianion are reported herein for the first time. The diacid was converted with metal carbonates M2CO3 to furnish the crystalline lithium, sodium, rubidium, cesium and thallium(I) compounds. In the solid state, their structures differ significantly. Common motif is the dianion, which is linked by the cations to columns, layers or strands. The sodium compound exhibits an unusual structural feature: One of the three crystallographically different sodium ions coordinates to four instead of six oxygen atoms with seesaw geometry, i.e. two equatorial positions of an octahedral coordination are unoccupied. Thus, an almost linear (179 degrees) O-Na-O unit holds two ancillary oxygen atoms with perpendicular geometry (angles 94 degrees and 95 degrees).

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Kahrs, ChristophUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Schmidtmann, MarcUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wickleder, Mathias S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Christoffers, JensUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-137702
DOI: 10.1002/ejic.201900520
Journal or Publication Title: Eur. J. Inorg. Chem.
Number: 22
Page Range: S. 2781 - 2788
Date: 2019
Publisher: WILEY-V C H VERLAG GMBH
Place of Publication: WEINHEIM
ISSN: 1099-0682
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
ORGANIC FRAMEWORKS; TRANSFORMATION; DESIGNMultiple languages
Chemistry, Inorganic & NuclearMultiple languages
Refereed: Yes
URI: http://kups.ub.uni-koeln.de/id/eprint/13770

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