Zero-valent species of group 13–15 elements
نویسندگان
چکیده
Challenges and opportunities:•The paramagnetic zero-valent species, middle-size clusters, heavier group 13 congeners are untrodden.•Investigation of the ability species to transfer elemental fragments En(0) other substrates remains underdeveloped.•A stepwise catenation aimed at a precise construction main-group allotropes could offer an exciting new avenue for materials science. This perspective describes development 13–15 elements. Computational studies providing reinterpretation bonding involved in well-known molecules, such as carbodiphosphorane, have opened up area. Employment Lewis bases form donor-acceptor interactions with zero oxidation state is key stabilizing species. Because diversity available, derivatives variety structural motifs isolable. The monoatomic E1(0) 15 elements, clusters (n = 4–6) 14 cousins been much less explored. end article outlines one potential future directions chemistry, which exploration allotrope chemistry relevant their unfilled valence orbitals, elements (aside from noble gases) generally unstable monatomic under standard laboratory conditions exist diatomic polyatomic systems. Among them, diverse p-block allow polymorphism, leading multiple prevalent allotropes. A carbon (diamond, graphite, fullerenes, nanotubes), oxygen (dioxygen ozone), phosphorus (white, red, blue, black phosphorus) well known.1Sharma B.D. Allotropes polymorphs.J. Chem. Educ. 1987; 64: 404-407Google Scholar Reflecting electronic features, each element usually possesses distinct property, has attracted various fields Nowadays, advances revolutionized field nanotechnology science.2Nasir S. Hussein M.Z. Zainal Z. Yusof N.A. Carbon-based nanomaterials/allotropes: glimpse synthesis, properties some applications.Materials (Basel). 2018; 11: 295Google small attention considerable research effort because architectural varieties unique nature.3Mallick D. Jemmis E.D. 9.30 – Main metal clusters.in: Reedijk J. Poeppelmeier K. Comprehensive Inorganic Chemistry. Second Edition. Elsevier, 2013: 833-867Google Scholar,4Mannix A.J. Kiraly B. Hersam M.C. Guisinger N.P. Synthesis 2D materials.Nat. Rev. 2017; 1: 0014Google For instance, bare boron most stable structures Bn 3–8) bear triangle units; majority quasi-planar convex 9–14) involve pyramidal hexagonal three-dimensional (3D) 14) include trigonal, square, pentagonal, hexagonal, heptagonal motifs. aluminum Aln 5) known exhibit flat geometry, compact 6–10) become three-dimensional, slightly bigger 11–15) inner Al atom bulk-like coordination. Tetrahedral white phosphorous P4 features delocalized system spherical aromatic character, accounts metastability, whereas larger aggregates Pn solid allotropes, except cubic phosphorus, formed on basis localized two-center two-electron bonds, resulting insulating polymers. Significantly, applications atomic science highly expected. In particular, utility two-dimensional (2D) expands tailorable nature.4Mannix example, sheets be metallic remarkable anisotropy behavior, low density, high melting point, hardness, thermal conductivity, they promising candidates gas sensing, fuel cells, superconductors, hydrogen energy storage materials. silicon material predicted semi-metallic nature hosting topologically non-trivial states spin-polarized edge states, device applications, tunable transistors photodetectors, abided. It should noted that can behave like monovalent atom.3Mallick Given fact zero, it fundamentally curious unveil zero-oxidation given these considered smaller units However, likely transient even if generated might detectable only spectroscopically phase.5Balasubramanian Spectroscopic constants potential-energy curves heavy dimers trimers.Chem. 1990; 90: 93-167Google Indeed, interstellar mediums.6Van Orden A. Saykally R.J. Small clusters: spectroscopy, structure, energetics.Chem. 1998; 98: 2313-2357Google Instability condensed phase impedes isolation laboratory, detailed investigation basic nature. Carbodiphosphorane C(PR3)2 C1-1, was first prepared 1961 by Ramirez co-workers, involves dicoordinate two C–P bonds.7Ramirez F. Desai N.B. Hansen McKelvie N. Hexaphenylcarbodiphosphorane, (C6H5)3PCP(C6H5)3.J. Am. Soc. 1961; 83: 3539-3540Google 2006, Neumüller, Petz, Frenking, et al. reported carbodiphosphorane C1-1.8Tonner R. Öxler Neumüller Petz W. Frenking G. Carbodiphosphoranes: divalent carbon(0).Angew. Int. Ed. 2006; 45: 8038-8042Google bonds between lone pairs electrons phosphines empty orbitals carbon(0), affording diphosphine carbon(0) complex (Figure 1A). 2007, class compounds, namely carbodicarbenes, theoretically predicted,9Tonner C(NHC)2: compounds N-heterocyclic carbene ligands—theoretical evidence molecules chemical properties.Angew. 2007; 46: 8695-8698Google shortly afterward C1-2 indeed experimentally synthesized.10Dyker C.A. Lavallo V. Donnadieu Bertrand extremely bent acyclic allene (A “carbodicarbene”): strong donor ligand.Angew. 2008; 47: 3206-3209Google Scholar,11Fürstner Alcarazo M. Goddard Lehmann C.W. Coordination ene-1,1-diamines prototype “carbodicarbene”.Angew. 3210-3214Google unusual situation coordination property were comprehensively investigated quantum-chemical calculations.12Tonner Divalent part parent compounds.Chem. Eur. 14: 3260-3272Google Scholar,13Tonner 2: protonation complexes main transition acids.Chem. 3273-3289Google concept also extended not diazoolefins C1-314Varava P. Dong Scopelliti Fadaei-Tirani Severin Isolation characterization diazoolefins.Nat. 2021; 13: 1055-1060Google C1-415Antoni P.W. Golz C. Holstein J.J. Pantazis D.A. Hansmann M.M. reactivity elusive diazoalkene.Nat. 587-593Google but tetraaminoallenes C1-5.16Alcarazo Synthesis, carbodiphosphoranes, related species.in: Gessner V.H. Modern Ylide Springer, 2017: 25-50Google nonclassical EL2 rationalized three major canonical forms, (L=E=L), ylidone (L?E?L), ylidene (L=E?L) 1B). Recently, proven great supporting ligands low-valent, low-oxidation-state systems.17Nesterov Reiter Bag Frisch Holzner Porzelt Inoue NHCs chemistry.Chem. 118: 9678-9842Google Scholar, 18Soleilhavoup Cyclic (alkyl)(amino)carbenes (CAACs): carbenes rise.Acc. Res. 2015; 48: 256-266Google 19Borthakur Ghosh Phukan A.K. flourishing stabilized elements.Polyhedron. 197: 115049-115071Google isolable successfully developed use strongly ?-donating bulky ligands. carbenes, (NHCs) cyclic (CAACs), play important role chemistry; donate pair moiety enable acceptance ?-type or unit formally unoccupied carbon, superior effect. there N next CAACs stronger enhanced ?-accepting than classical NHCs, C(carbene)?E interaction availability afforded 1C). extant excellent reviews cover seminal EnLm 1–3, E groups 13–16), where original experimental theoretical reports (up 2018) referenced.20Frenking Tonner Klein Takagi Shimizu T. Krapp Pandey K.K. Parameswaran New modes atoms Si–Pb.Chem. 2014; 43: 5106-5139Google 21Frenking Hermann Andrada D.M. Holzmann Donor–acceptor novel low-coordinated group-14 C–Sn.Chem. 2016; 1129-1144Google 22Zhao L. Dative compounds.Coord. 344: 163-204Google 23Patel Sood Bharatam P.V. NL2+ systems new-generation phase-transfer catalysts.Chem. 8770-8785Google 24Zhao Pan Schwerdtfeger Chemical models 2019; 119: 8781-8845Google 25Yao Xiong Y. Driess area chemistry: zerovalent analogues.Acc. 50: 2026-2037Google 26Majhi P.K. Sasamori Tetrylones: intriguing 24: 9441-9455Google Cumulenes C2-1 C2-2 consecutive C=C double C4 backbone.27Jin Melaimi Liu L.L. Singlet mimics metals: synthesis air organic mixed compound [M2(C2)+?; M cyclic(alkyl)(amino)carbene].Org. Front. 351-354Google 28Li Mondal K.C. Samuel P.P. Zhu H. Orben C.M. Panneerselvam Dittrich Schwederski Kaim al.C4 cumulene corresponding air-stable radical cation dication.Angew. 53: 4168-4172Google 29Wu Li Ganguly Kinjo including 4-pyridylidene units, its towards ammonia-borane.Chem. Commun. 12378-12381Google 30Gorantla S.M.N.V.T. Revisiting scenario ligand C2 species.J. Phys. 125: 291-301Google viewing them along line notion interactions, ?-acidic 2020, Ong, collaborators isolated monoligated adduct C2-3 supported bis(imidazolidine-2-iminato)methylphosphine disclosed contrast cumulenes C2-2, central both character.31Leung T.-F. Jiang Wu M.-C. Xiao Ching W.-M. Yap G.P.A. Yang Zhao Ong T.-G. Isolable dicarbon single phosphine ligand.Nat. 89-93Google These demonstrate number significantly affect situation. Although structure ligated En(0)Lm differs ligand-free appears powerful tool otherwise limited applicable late 20th century, group-14-element carbonyl En(CO)m (E Si, Ge, Sn, Pb) technique laser ablation coupled matrix protocol.32Lembke R.R. Ferrante R.F. Weltner Carbonylsilene, diazasilene, dicarbonylsilene molecules: electron spin resonance optical spectra 4 K.J. 1977; 99: 416-423Google 33Jiang Xu Q. Observation lead carbonyls, PbnCO (n=1–4): reactions monoxide argon.J. 2004; 122034505Google 34Zhou Reactions CO: SinCO (n=1–5), Si2(CO)2, c-Si2(?-O)(?-CSi), c-Si2(?-O)(?-CCO) 121: 10474-10482Google 35Zhou germanium GenCO 1–5) Ge2(CO)2 2005; 109: 3325-3330Google 36Jiang tin monoxide: infrared DFT calculations SnnCO 2–5) Sn2(CO)2 argon.Bull. Jpn. 79: 857-863Google versions 1–3) recent decades 2).25Yao Scholar,26Majhi From 2003 2009, trisilaallene Si1-1a 1,3-digerma-2-silaallene Si1-1b 1,3-disilagermaallene Ge1-1a, trigermaallene Ge1-1b documented.25Yao Scholar,37Kira Iwamoto Ishida Masuda Abe Kabuto Unusual allenes.J. 2009; 131: 17135-17144Google following revealed Si(0) Ge(0) interaction,25Yao accordingly, deemed silylones germylones, respectively. Soon afterward, similar silyl Si1-2 synthesized.38Tanaka Ichinohe Sekiguchi striking tetrasilyl-substituted trisilaallene.Organometallics. 2011; 30: 3475-3478Google notable analog tristannaallene Sn1-1 had already 1999.25Yao 2021, (CAASi)-ligated Si1-3 Si1-4 (CAASi (alkyl)(amino)silylene) emerged.39Koike Nukazawa Conformationally switchable silylone: redistribution accompanied reorientation around silicon.J. 143: 14332-14341Google Interestingly, adopts isomers ?-localized ?-delocalized structures, reversibly switched transfer. 2013, arguably landmark year tetrylones, germylones based (Si1-5, Ge1-2) (Si1-6, Ge1-3) emerged.25Yao Since then, silylone, germylone, stannylone chelating germylenes (Si1-7), IMeMe-stabilized silylenes (Si1-8),40Keuter Hepp Mück-Lichtenfeld Lips Facile access NHC-coordinated ring Si=N two-coordinate atom.Angew. 58: 4395-4399Google (Si1-9, Si1-10, Ge1-4, Ge1-5, Ge1-6, Sn1-2)41Wang Karni Yao Kaushansky Apeloig bis(silylene)-stabilized silylone toward gaseous molecules.J. 141: 12916-12927Google 42Yao Kostenko Ruzicka Redox noninnocent silicon(0) (“silylone”): one-electron-reduction induces intramolecular one-electron-oxidation silicon(I).J. 2020; 142: 12608-12612Google 43Wang An germylone reactivity.J. 1655-1664Google 44Yao Lorent Changing zero- mono-valent redox non-innocent bis(silylenyl)carborane 60: 14864-14868Google 45Xiong Chen types Ge2 Ge4 assemblies carbanionic dicarborandiyl-silylene ligand.J. 6229-6237Google 46Xu Dai genuine tin(0) bis(silylene) 2022; 61e202114073https://doi.org/10.1002/anie.202114073Google developed.25Yao ligands, iminocarbene (Ge1-7), diiminocarbene (Ge1-8), diiminopyridines (Ge1-9 Sn1-3), stabilization Sn(0) species.25Yao Scholar,47Nguyen M.T. Gusev Dmitrienko Gabidullin B.M. Spasyuk Pilkington Nikonov G.I. diimino-carbene ligand: ambiphilic 5852-5861Google latter examples, centers E(0) center, concomitant delocalization E(0)-centered over ?-system ligand. 4?-electron donating butadiene vacant ?-orbitals Sn found Sn1-4, suggesting nature.25Yao Vinylidene analogs (:E=ER2) E(0)-containing molecules. salient note Wiberg described stannylene (R2Sn:) distannavinylidene (:Sn=SnR2).25Yao base-coordinated analogs, disilavinylidenes Si1-11 Si1-1248Ghana Arz M.I. Das U. Schnakenburg Filippou A.C. Si=Si bonds: NHC-stabilized disilavinylidene.Angew. 54: 9980-9985Google Scholar,49Kobayashi dialkyldisilavinylidene acetolactone.Organometallics. 40: 843-847Google digermavinylidene Ge1-10,50Krebs K.M. Hanselmann Schubert Wurst Scheele Wesemann Phosphine-stabilized digermavinylidene.J. 3424-3429Google Si1-1351Wilhelm Raiser Sindlinger C.P. germasilenylidene: source silicon-atom transfer.Inorg. 9268-9272Google Ge1-11,17Nesterov structurally characterized.52Geiß Straßmann Si=P study phosphasilenylidene.Angew. 2739-2744Google All above-mentioned examples center eight-electron shell. sharp contrast, base-free Ge1-12 Aldridge monocoordinate Ge six-electron shell.17Nesterov weak ? flanking arene moieties substituents, indicating strategy design system. finding Si2-1 Robinson, Schleyer, co-workers way E2(0) species.17Nesterov Each Si IDip ligand, singlet Si2(0) fragment comprises bond atom. Ge2-1 Sn2-1, CyCAAC-supported disilicon Si2-2 silylene (NHSi)-stabilized digermanium Ge2-2, feature core ligands.17Nesterov Scholar,53Shan Y.-L. Yim W.-L. So C.-W. silylene-stabilized digermanium(0) complex.Angew. 13155-13158Google 2019, tetrasilabicyclo[1.1.0]but-1(3)-ene Si2-3, bridgehead ? inverted geometry ?-bond.54Iwamoto Sugimoto Hashizume Matsui Kishi Nakano Tetrasilicon analogue bicyclo[1.1.0]but-1(3)-ene containing geometry.Angew. 4371-4375Google triatomic cluster date triangular Si3(0) Si3-1 trigonal electrons.17Nesterov As neutral boron,55Zhou Wang Z.-X. Schleyer P.v.R. B4(CO)2:a ,observable ??? diradical.J .Am .Chem .Soc . 2002; 124: 14854-14855Google 56Zhou Tsumori Andrews Infrared BCO, B(CO)2, OCBBCO 2003; 107: 2458-2463Google 57Bissinger Braunschweig Damme Dewhurst R.D. Kupfer Radacki Wagner Generation carbene-stabilized bora-borylene insertion into C–H bond.J. 133: 19044-19047Google 58Jian Jin Qu Lin Zhou tricarbonyls [B(CO)3] [C(CO)3]+ featuring tilted one-electron ligand.Chem. 22: 2376-2385Google aluminum,59Chenier J.H.B. Hampson Howard J.A. Mile spectrum dicarbonyl aluminium(0), Al(CO)2.J. 1986; 9: 730-732Google Scholar,60Feltrin Guido Nunziante Cesaro Fourier transform effects gallium carbonyls argon nitrogen.Vib. Spectrosc. 1995; 8: 175-183Google gallium, indium yielded detected spectroscopic methods.61Himmel H.-J. Structural subvalent Group elements: quantum studies.Dalton Trans. 631: 3639-3649Google Scholar,62Pardoe J.A.J. Downs Development formal lower +3.Chem. 2-45Google BN2(CO) matrices.63Deng X. CO-induced dinitrogen fixation cleavage mediated boron.Chem. 27: 2131-2137Google By exclusively n 2 3). discovery carbene-supported boron(0) B2-1 B?B triple 2012,17Nesterov B2 SIDip B2-2 Me2CAAC B2-3 exhibiting cumulene-like developed.17Nesterov addition 1 equiv IMeMe affords asymmetric dibo
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ژورنال
عنوان ژورنال: Chem
سال: 2022
ISSN: ['2451-9308', '2451-9294']
DOI: https://doi.org/10.1016/j.chempr.2022.01.010