Latest posts tagged with #FeaturedStructureFriday on Bluesky
From Zapf and Rivard in @chemicalscience.rsc.org, the bulkiest N-heterocyclic carbene to date.
With a buried volume over 60%, this NHC stabilised (quasi)-monocoordinate Li and Ga(i).
π CSD Entry OWUBER (Ga(I) complex, anion not shown): dx.doi.org/10.5517/ccdc...
#FeaturedStructureFriday
The isolation of five molecules featuring unsupported {N4}β’β radical anion units has been reported in Nature Chemistry (π ccdc-info.com/3MSq1CZ).
CSD Entry EXODOO (cation not shown) is stable for weeks under anaerobic conditions.
π ccdc-info.com/4aNEARl
#FeaturedStructureFriday #crystallographyhy
The first isolation of neutral aluminium(i) trimers called cyclotrialumanes is reported by Bakewell et al. in @natcomms.nature.com.
CSD Entry OXATOA reveals a perfectly planar Alβ ring, supported by a bulky amidinate framework.
π dx.doi.org/10.5517/ccdc...
#FeaturedStructureFriday #CompChemSky
Reported in @science.org, lithium pentasilacyclopentadienyl complexes.
These silicon analogues of the cyclopentadienyl ligand have a non-planar 5-membered ring and further characterisation shows evidence of aromaticity.
π CSD Entry EXOMUD: dx.doi.org/10.5517/ccdc...
#FeaturedStructureFriday
Over 70 years since the discovery of ferrocene, the first neutral bis(cyclopentadienyl)metal complex of copper has been synthesised by scientists at @uofcalifornia.bsky.social as reported in @jacs.acspublications.org.
π CSD Entry UWULOR: dx.doi.org/10.5517/ccdc...
#FeaturedStructureFriday
A series of tetracopper disulfide clusters that mimic the mixed-valent sites found in enzymes like NβO reductase is reported by Tilley et al. @jacs.acspublications.org.
CSD Entry UXAVAU reveals a symmetrical arrangement of two bimetallic units.
π ccdc-info.com/46mDZmY
#FeaturedStructureFriday
Reported in @natchem.nature.com, the use of cubene and 1,7-quadricyclene in synthesis.
By exploiting hyperpyramidalized, strained bonds, the Garg group builds unique scaffolds like this one elucidated by MicroED electron diffraction.
CSD Entry EXEZEQ: ccdc-info.com/4c1Z1Lj
#FeaturedStructureFriday
Expanded boraporphyrinoids with redox switchable magnetic (anti)aromaticity and strong near-infrared absorption have been reported in @jacs.acspublications.org.
Antiaromatic CSD Entry IWANUT becomes aromatic upon twofold reduction.
π dx.doi.org/10.5517/ccdc...
#FeaturedStructureFriday #ChemSky
A new nonalternant buckybowl embeds an azulene unit into a curved Ο-system with a rare 5/7 ring topology. Reported in Chemistry - a European Journal.
CSD Entry ISEWUC reveals a shallow, dynamic bowl with unique packing and strong fullerene affinity.
π ccdc-info.com/4pI6aUs
#FeaturedStructureFriday
Reported in @chemicalscience.rsc.org ultrastiff crystals of mucic acid.
Inspired by previous reports of high density, this work reveals a high Youngβs modulus and hardness due to the extensive hydrogen bonding network.
π CSD Entry BIVTUV02: dx.doi.org/10.5517/ccdc...
#FeaturedStructureFriday
Happy New Year! Did you celebrate with fireworks? Our first #FeaturedStructureFriday of the year is potassium hydrogen terephthalate, an additive used in fireworks to create a whistling effect.
www.ccdc.cam.ac.uk/services/str....
Seasonβs Greetings from the CCDC! This week, weβre featuring the terpene alpha-pinene, one of the molecules responsible for the classic aroma of Christmas trees.
π CSD Entry ACIFEX: dx.doi.org/10.5517/cc5x...
#FeaturedStructureFriday #ChemSky
The synthesis of a semitubular molecule comprising two [8]circulene moieties has been reported in @jacs.acspublications.org.
CSD entry UTIJUG exhibits an excellent match to the substructure of Schwarzite P192.
π dx.doi.org/10.5517/ccdc....
#FeaturedStructureFriday #CompChemSky
A novel photocycloaddition enabled by a Ga(I)/Ga(III) redox cycle under visible light is reported in @jacs.acspublications.org.
CSD Entry XUXSOC demonstrates a seven-membered Ga-heterocycle where two isocyanide units are inserted into GaβC bonds.
π ccdc-info.com/44G1SVK
#FeaturedStructureFriday
The synthesis and characterisation of plumbynes (@jacs.acspublications.org).
This structure features multiple bonds between C and Pb, with several different resonance forms contributing to the overall configuration.
π CSD Entry OQOXIF: dx.doi.org/10.5517/ccdc...
#FeaturedStructureFriday
Isomerisation of [Ag(eta-5-B11H11)2]3β to [Ag(eta-2-B11H11)2]3β in the solid state upon cooling has been reported in @angewandtechemie.bsky.social.
The transformation shows signs of Ag(V)-Ag(I) redox processes.
π CSD Entry UROFAM: dx.doi.org/10.5517/ccdc....
#FeaturedStructureFriday
#CompChemSky
The first-ever crystalline, monomeric diboryl diazene is reported in @jacs.acspublications.org.
CSD Entry UNEWOD reveals a remarkably linear BβNβNβB skeleton and an exceptionally short N=N bond, signatures of a cumulenic BN=N=B framework.
π dx.doi.org/10.5517/ccdc...
#FeaturedStructureFriday
From the UIUC, three coordinate mononuclear palladium(i) halide complexes (@jacs.acspublications.org).
Rarely isolated, these structures are proposed as critical intermediates in photochemical Pd chemistry.
π CSD Entry EQOLOP: dx.doi.org/10.5517/ccdc...
#FeaturedStructureFriday #CompChemSky
The first crystalline Bi(II) radical anion has been reported by @joshabbenseth.bsky.social and co-workers in Angewandte Chemie.
Spectroscopic analysis revealed localization of the unpaired electron at the bismuth centre.
π CSD Entry OPESOV: dx.doi.org/10.5517/ccdc...
#FeaturedStructureFriday
A novel carborane-based 2D #MOF that exhibits exceptional CβHβ/COβ separation performance is reported in @pubs.acs.org.
CSD Entry MUTCIR features a unique wavy sql layer with pores precisely tuned for CβHβ adsorption.
π dx.doi.org/10.5517/ccdc...
#FeaturedStructureFriday #CompChemSky
From the University of Osaka, a carbon nanoring featuring alternating anthracene and phenylene groups (@jacs.acspublications.org).
Due to ring strain, the anthracene units are bent and the molecule has a quinoidal structure.
π CSD Entry ENIHES: dx.doi.org/10.5517/ccdc...
#FeaturedStructureFriday
The isolation of a lithium bis(o-carboran-1-yl)cuprate complex that enables the βdump-and-stirβ synthesis of carborane-substituted arenes from readily available aryl bromides and chlorides has been reported in JACS.
π CSD Entry EKOYEM: dx.doi.org/10.5517/ccdc...
#FeaturedStructureFriday
SΓ‘nchez et al. report in @angewandtechemie.bsky.social the creation of nanogloves β macrocycles with a deep-cavity that snugly bind fullerenes like a baseball in a glove.βΎ
CSD Entry EJITAW shows the C60 is stabilised by strong CβHΒ·Β·Β·Ο interactions.
π ccdc-info.com/4gQqiRf
#FeaturedStructureFriday
From @maxdietz.bsky.social and Simon Aldridgeβs group, an example of a main-group tin-carbonyl complex (@science.org).
Above 0 degrees Celsius, this CO complex rearranges to form a tin carbene complex.
π CSD Entry ELAMIR: dx.doi.org/10.5517/ccdc...
#FeaturedStructureFriday #CompChemSky
The first intermolecular lithium eta-2-alkene complexes have been reported in @jacs.acspublications.org.
The alkene ligands are displaced in cyclohexane to give the first intermolecular Li-alkane complex.
π CSD entry: EKOWAG dx.doi.org/10.5517/ccdc...
#FeaturedStructureFriday #CompChemSky
Sarpong et al. report in @pnas.org the synthesis of "carbamorphine", with a single-atom change (OβCHβ in the E-ring).
CSD Entry UKEGAW (π dx.doi.org/10.5517/ccdc...
) retains antinociception but lacks respiratory depression and addictive behaviours in mice.
#FeaturedStructureFriday #CompChemSky
In @jacs.acspublications.org, an inverted singlet-triplet chiral dye.
Based on a heptazine core, this is the first example of single-molecule circularly polarized luminescence from a chiral dye.
π CSD Entry OJEWAF: dx.doi.org/10.5517/ccdc...
#FeaturedStructureFriday #CompChemSky
A double-sandwich bimetallic thorium hydride complex has been reported in @chemicalscience.rsc.org.
The complex can be regarded as a Th(II) hydride synthon and shows unique reactivity towards various substrates.
π CSD Entry UKIMEK: dx.doi.org/10.5517/ccdc....
#FeaturedStructureFriday #CompChemSky
From @cornellab.bsky.socialβ¬, the first example of an organobismuth(iii) dihydride (@jacs.acspublications.org).
The compound was shown to be thermally unstable, decomposing to form a bismuth(i) species and H2.
π CSD Entry LAMGAM: dx.doi.org/10.5517/ccdc...
#FeaturedStructureFriday #CompChemSky
The structure of unsolvated neopentyl sodium has been reported by @evaheviagroup.bsky.social in Angew. Chem., revealing a rare tetrameric motif.
Combined with a Lewis base, it can metalate non-activated arenes and alkenes.
π CSD Entry SAGDEO: dx.doi.org/10.5517/ccdc...
#FeaturedStructureFriday
