Journal Article

PUBDB-2023-07559

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Guest-Induced Reversible Transformation between an Azulene-Based Pd$_2$L$_4$ Lantern-Shaped Cage and a Pd$_4$L$_8$ Tetrahedron

Walther, A.Extern* ; Regeni, I.Extern* ; Holstein, J. J.Extern* ; Clever, G. (Corresponding author)Extern*

2023
ACS Publications Washington, DC

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Please use a persistent id in citations: doi:10.1021/jacs.3c09295  doi:10.3204/PUBDB-2023-07559

Abstract: Azulene,a bluestructuralisomerof naphthalene,isintroducedas the backbonefor a new familyof Pd(II)-basedself-assemblies.Threeorganicligands,equippedwithvaryingdonorgroups,producethree[Pd$_2$L$_4$] cagesof differentcavitydimensions.Unexpectedly,the additionof organicdisulfonategueststo thesmallestlantern-shapedcage(featuringpyridinedonors)led to arapidandquantitativetransformationto a distorted-tetrahedral[Pd4L8] species.On the contrary,[Pd$_2$L$_4$] cagesformedfromligandswithisoquinolinedonorseitherjust encapsulatedthe guestsorshowedno interaction.Thetetrahedralspeciescouldbe fullyrevertedbackto its original[Pd$_2$L$_4$] topologyby capturingthe guestby another,strongerbinding[Pd$_2$L´$_4$] coordinationcage,narcissis-ticallyself-sortingfromthe firstcage.Theazulenes,servingascoloredhydrocarbonbackbonesof minimalatomcount,allowone to followcage assemblyand guest-inducedtransformationby thenakedeye. Furthermore,we proposethat theirpeculiarelectronicstructureinfluencesthe system’sassemblybehavior.

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Contributing Institute(s):

1. DOOR-User (DOOR ; HAS-User)

Research Program(s):

1. 6G3 - PETRA III (DESY) (POF4-6G3) (POF4-6G3)
2. FS-Proposal: I-20200916 (I-20200916) (I-20200916)
3. FS-Proposal: I-20210921 (I-20210921) (I-20210921)
4. FS-Proposal: I-20211437 (I-20211437) (I-20211437)

Experiment(s):

1. PETRA Beamline P11 (PETRA III)

Appears in the scientific report 2023

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