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lithium tetrakis pentafluorophenyl borate wikipedia jump to content main menu main menu move to sidebar hide navigation main page contents current events random article about wikipedia contact us contribute help learn to edit community portal recent changes upload file special pages search search appearance donate create account log in personal tools donate create account log in contents move to sidebar hide top 1 structure and properties 2 preparation 3 reactions 4 safety 5 see also 6 references toggle the table of contents lithium tetrakis pentafluorophenyl borate 5 languages français srpskohrvatski српскохрватски српски srpski اردو 中文 edit links article talk english read edit view history tools tools move to sidebar hide actions read edit view history general what links here related changes upload file permanent link page information cite this page get shortened url switch to legacy parser print export download as pdf printable version in other projects wikimedia commons wikidata item appearance move to sidebar hide from wikipedia the free encyclopedia lithium tetrakis pentafluorophenyl borate names preferred iupac name lithium tetrakis pentafluorophenyl boranuide identifiers cas number 371162 53 7 etherate y 3d model jsmol interactive image chemspider 8071952 n 9160766 etherate n echa infocard 100 155 284 pubchem cid 9896287 inchi inchi 1s c24bf20 li c26 5 1 6 27 14 35 21 42 13 5 34 25 2 7 28 15 36 22 43 16 37 8 2 29 3 9 30 17 38 23 44 18 39 10 3 31 4 11 32 19 40 24 45 20 41 12 4 33 q 1 1 n key wttfkrrteapvbi uhfffaoysa n n inchi 1 c24bf20 li c26 5 1 6 27 14 35 21 42 13 5 34 25 2 7 28 15 36 22 43 16 37 8 2 29 3 9 30 17 38 23 44 18 39 10 3 31 4 11 32 19 40 24 45 20 41 12 4 33 q 1 1 key wttfkrrteapvbi uhfffaoyaw smiles li fc1c c f c f c f c1f b c2c f c f c f c f c2f c3c f c f c f c f c3f c4c f c f c f c f c4f properties chemical formula c 24 b f 20 li molar mass 685 98 g mol 1 except where otherwise noted data are given for materials in their standard state at 25 c 77 f 100 kpa n verify what is y n infobox references chemical compound lithium tetrakis pentafluorophenyl borate is the lithium salt of the weakly coordinating anion b c 6 f 5 4 because of its weakly coordinating abilities lithium tetrakis pentafluorophenyl borate makes it commercially valuable in the salt form in the catalyst composition for olefin polymerization reactions and in electrochemistry it is a water soluble compound its anion is closely related to the non coordinating anion known as barf the tetrakis pentafluorophenyl borates have the advantage of operating on a one to one stoichiometric basis with group iv transition metal polyolefin catalysts unlike methylaluminoxane mao which may be used in large excess structure and properties edit the anion is tetrahedral with b c bond lengths of approximately 1 65 angstroms the salt has only been obtained as the etherate and the crystallography confirms that four ether oet 2 molecules are bound to the lithium cation with li o bond lengths of approximately 1 95 å the li oet 2 4 complex is tetrahedral preparation edit the salt was first produced in studies on tris pentafluorophenyl boron a well known lewis acidic compound combining equimolar ether solutions of pentafluorophenyllithium and tris pentafluorophenyl boron gives the lithium salt of tetrakis pentafluorophenyl borate which precipitates the etherate as a white solid 1 b c 6 f 5 3 li c 6 f 5 4 oet 2 li oet 2 4 b c 6 f 5 4 since its discovery many revised syntheses have been described 2 reactions edit lithium tetrakis pentafluorophenyl borate is primarily used to prepare cationic transition metal complexes lib c 6 f 5 4 ml n cl licl ml n b c 6 f 5 4 lib c 6 f 5 4 is converted to the trityl reagent ph 3 c b c 6 f 5 4 which is useful activator of lewis acid catalysts 3 4 safety edit lithium tetrakis pentafluorophenyl borate will deflagrate on melting ca 265 c giving thick black smoke even under nitrogen 5 the mechanism is unknown metal tetrakis pentafluorophenyl borates of k and na decompose vigorously as well 6 7 see also edit tetraphenylborate references edit a g massey a j park perfluorophenyl derivatives of the elements i tris pentafluorophenyl boron journal of organometallic chemistry 1964 2 245 250 doi 10 1016 s0022 328x 00 80518 5 martin eddy hughes david and lancaster simon the composition and structure of lithium tetrakis pentafluorophenyl borate diethyletherate inorganica chimica acta 2010 363 275 278 doi 10 1016 j ica 2009 09 013 cordoneanu adina drewitt mark bavarian neda baird michael synthesis and characterization of weakly coordinating anion salts of a new stable carbocationic reagent the dibenzosuberenyl dibenzotropylium ion new journal of chemistry 2008 32 1890 1898 doi 10 1039 b804868a lancaster simon j bochmann manfred 2002 the reaction of cp 2 zrme 2 with cph 3 b c 6 f 5 4 triphenylethane does not form η n arene complexes with cp 2 zrme journal of organometallic chemistry 654 1 2 221 223 doi 10 1016 s0022 328x 02 01319 0 martin eddy hughes david l lancaster simon j 2010 01 04 the composition and structure of lithium tetrakis pentafluorophenyl borate diethyletherate inorganica chimica acta 363 1 275 278 doi 10 1016 j ica 2009 09 013 issn 0020 1693 stockmann tom j ding zhifeng 2012 10 25 tetraoctylphosphonium tetrakis pentafluorophenyl borate room temperature ionic liquid toward enhanced physicochemical properties for electrochemistry the journal of physical chemistry b 116 42 12826 12834 doi 10 1021 jp3081832 issn 1520 5207 pmid 23009026 lee hyun ju baek jun won seo yeong hyun lee hong cheol jeong sun mi lee junseong lee chong gu lee bun yeoul 2021 05 10 preparation of high purity ammonium tetrakis pentafluorophenyl borate for the activation of olefin polymerization catalysts molecules 26 9 2827 doi 10 3390 molecules26092827 issn 1420 3049 pmc 8126221 pmid 34068755 v t e lithium compounds list compounds with noble gases lihe hlihe hypothetical lifheo hypothetical lihe 2 hypothetical heo lif 2 hypothetical la 2 3 x li 3x tio 3 he hypothetical compounds with halogens flibe flinak liat hypothetical libr libro libro 2 libro 3 libro 4 licl liclo liclo 2 liclo 3 liclo 4 lif li 2 f lifo lii liio liio 2 liio 3 liio 4 oxides and hydroxides lio lio 2 lio 3 li 2 o li 2 o 2 lioh compounds with chalcogens licf 3 so 3 lihso 3 lihso 4 li 2 po li 2 s li 2 se li 2 seo 3 li 2 seo 4 li 2 te lite 3 li 2 teo 3 li 2 teo 4 compounds with pnictogens li 1 x al x ge 2 x po 4 3 lial 1 x ti 2 x po 4 3 li 3 sb lias liasf 6 li 3 aso 4 lifepo 4 lige 2 po 4 3 lih 2 aso 4 li 2 haso 4 li 2 hpo 3 li 2 hpo 4 li 3 po 3 li 3 po 4 lih 2 po 3 lih 2 po 4 lin 3 li 3 n linh 2 li 2 nh lino 2 lino 3 li 2 n 2 o 2 li 2 napo 3 linano 2 li 3 p lipf 6 li 3 po 4 li sbf 6 liti 2 po 4 3 lizr 2 po 4 3 compounds with group 14 elements li 2 c 2 li 2 co 3 li 2 gef 6 li 2 geo 3 lihco 3 li 3 h co 3 2 lisi li 2 sif 6 li 2 sio 3 li 2 si 2 o 5 li 4 sio 4 li 2 snf 6 compounds with group 13 elements cslib 6 o 10 lialcl 4 lialf 4 li 3 alf 6 lialh 4 lialo 2 lib c 2 o 4 2 lib c 6 f 5 4 libf 4 libh 4 libo 2 lib 3 o 5 li 2 b 4 o 7 libsi 2 ligah 4 compounds with transition metals li aucl 4 licoo 2 li 2 cro 4 li 2 cr 2 o 7 li 2 iro 3 li 7 la 3 zr 2 o 12 limn 2 o 4 li 2 moo 4 li 0 9 mo 6 o 17 linbo 3 li 2 nbo 3 li 2 pto 3 li 2 ruo 3 litao 3 li 2 tif 6 li 2 tio 3 li 4 ti 5 o 12 livo 3 li 3 v 2 po 4 3 liwf 6 li 2 wo 4 li 2 zrf 6 li 2 zro 3 organic soaps hemolithin extraterrestrial protein organolithium reagents gilman reagent ch 3 cooli c 4 h 6 lino 4 lic 2 f 6 no 4 s 2 lin sime 3 2 li 3 c 6 h 5 o 7 c 5 h 5 li lin c 3 h 7 2 c 6 h 5 2 pli c 18 h 35 lio 3 c 6 h 13 li c 4 h 9 li ch 3 chlich 2 ch 3 ch 3 3 cli c 12 h 28 bli ch 3 li li c 10 h 8 c 5 h 11 li c 5 h 3 lin 2 o 4 c 6 h 5 li lic 2 ch 3 c 7 h 5 lio 3 lio 2 c ch 2 16 ch 3 c 4 h 5 lio 4 liet 3 bh lioc ch 3 3 c 9 h 18 lin lic 2 h 3 lic 11 h 23 coo ch 3 ch oh cooli lic 2 h 2 clo 2 lic 2 h 3 io 2 li ch 3 2 n licho 2 lich 3 o lic 2 h 5 o li 2 c 2 o 4 other compounds li 2 li x be y hypothetical licn li 2 cn 2 licno lih lina liscn liyf 4 neodymium doped minerals amblygonite berezanskite brannockite cryolithionite darapiosite darrellhenryite elbaite fluorine elbaite fluor liddicoatite emeleusite eucryptite faizievite hectorite hsianghualite jadarite kunzite lavinskyite lepidolite lithiophilite lithiophosphate manandonite manganoneptunite nambulite neptunite olympite petalite pezzottaite rossmanite saliotite sogdianite spodumene sugilite tiptopite tourmaline triphylite zabuyelite zektzerite zinnwaldite other li related aluminium lithium alloys heteroatom promoted lateral lithiation lb buffer lithium atom lithium medication lithium cocrystal lini x co y al z o 2 lini x mn y co z o 2 lithium soap lithium triangle lucifer yellow magnesium lithium alloys nasicon environmentally friendly red light flare retrieved from https en wikipedia org w index php title lithium_tetrakis pentafluorophenyl borate oldid 1363954279 categories lithium salts tetraphenylborates pentafluorophenyl compounds perfluorinated compounds non coordinating anions catalysts hidden categories chemical articles with multiple compound ids multiple chemicals in an infobox that need indexing articles without ebi source articles without kegg source articles without unii source articles with changed chemspider identifier echa infocard id from wikidata articles with changed inchi identifier articles containing unverified chemical infoboxes chembox image size set articles with short description short description matches wikidata this page was last edited on 13 july 2026 at 14 54 utc page was rendered with parsoid text is available under the creative commons attribution sharealike 4 0 license additional terms may apply by using this site you agree to the terms of use and privacy policy wikipedia is a registered trademark of the wikimedia foundation inc a non profit organization privacy policy about wikipedia disclaimers contact wikipedia legal safety contacts code of conduct 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