Heteroleptic LaIII Anilate/Dicarboxylate Based Neutral 3D-Coordination Polymers

Olesya Y Trofimova; Arina V Maleeva; Irina V Ershova; Anton V Cherkasov; Georgy K Fukin; Rinat R Aysin; Konstantin A Kovalenko; Alexandr V Piskunov

doi:10.3390/molecules26092486

Heteroleptic La^III Anilate/Dicarboxylate Based Neutral 3D-Coordination Polymers

Molecules. 2021 Apr 24;26(9):2486. doi: 10.3390/molecules26092486.

Authors

Olesya Y Trofimova¹, Arina V Maleeva¹, Irina V Ershova¹, Anton V Cherkasov¹, Georgy K Fukin¹, Rinat R Aysin², Konstantin A Kovalenko³, Alexandr V Piskunov¹

Affiliations

¹ G. A. Razuvaev Institute of Organometallic Chemistry of the Russian Academy of Sciences, Tropinin Str., 49, 603137 Nizhny Novgorod, Russia.
² A. N. Nesmeyanov Institute of Organometallic Chemistry of the Russian Academy of Sciences, Vavilova Str., 28, 119991 Moscow, Russia.
³ Nikolaev Institute of Inorganic Chemistry, Siberian Branch of Russian Academy of Sciences, Acad. Lavrentiev Ave., 3, 630090 Novosibirsk, Russia.

Abstract

Three new 3D metal-organic frameworks of lanthanum based on mixed anionic ligands, [(La₂(pQ)₂(BDC)₄)·4DMF]_n, [(La₂(pQ)₂(DHBDC)₄)·4DMF]_n, [(La₂(CA)₂(BDC)₄)·4DMF]_n (pQ-dianion of 2,5-dihydroxy-3,6-di-tert-butyl-para-quinone, CA-dianion of chloranilic acid, BDC-1,4-benzenedicarboxylate, DHBDC-2,5-dihydroxy-1,4-benzenedicarboxylate and DMF-N,N'-dimethylformamide), were synthesized using solvothermal methodology. Coordination polymers demonstrate the rare xah or 4,6T187 topology of a 3D framework. The homoleptic 2D-coordination polymer [(La₂(pQ)₃)·4DMF]_n was obtained as a by-product in the course of synthetic procedure optimization. The thermal stability, spectral characteristics and porosity of coordination polymers were investigated.

Keywords: anilate; carboxylate; crystal structure; lanthanum; metal-organic framework; thermal stability.

Grants and funding

18-29-04041_mk/Russian Foundation for Basic Research