Silisiyɔmu 5-bololanɛgɛw kasadimanw kɛra ɲɔgɔn fɛ laban na

Simisi sugo min kɛra san kɛmɛ kɔnɔ , o kɛra tiɲɛ ye

San kɛmɛ ni kɔ kɔnɔ, aromatisi — o ye quantum mechanical phenomenon ye min bɛ sabatili danma di fɛn dɔw ma minnu bɛ i n’a fɔ bololanɛgɛ — o jatera kabon ka yɔrɔ danma ye. Bɛnzɛni, min sɔrɔla san 1825 ani min ɲɛnabɔra a jɔcogo la Awirilikalo Kekulé fɛ san 1865, o kɛra afiriki den ye min bɛ kɛ ni fɛn kasadimanw ye, ani kemikɛlikɛlaw bɔnsɔnw ye izini bɛɛ jɔ a ka karɔbɔli-kalan kan. Nka sekoba dɔ la min bɛ chimie inorganique sariyaw sɛbɛn kokura, ɲininikɛlaw ye bololanɛgɛ fɔlɔ min kasa ka di kosɛbɛ, o ye fɛn duuru ye, n’a bɛɛ lajɛlen ye siliyɔmu atomuw ye. Nin pentasilasiklopentadiɛnidi aniyoni in tɛ se sɔrɔli sintetiki dɔrɔn jira, nka a bɛ paradigme jiginni jira an bɛ faamuya cogo min na kemikɛli jɛɲɔgɔnya, molekiyɔmu sabatili, ani siliyɔmu seko min ma baara kɛ ka tɛmɛ a jɔyɔrɔ kan semikɔndukiriw la.

Aromatisi : sabatili gundo min ye bi chimie jɔ

Walisa k' a dɔn mun na siliyɔmu bɛɛ kasa duman bololanɛgɛ nafa ka bon , i ka kan ka fɔlɔ k' a faamu kasa duman bɛ min lase tiɲɛ na . Molecules aromatiques tɛ ring-shaped dɔrɔn ye — u bɛ ni electron configuration kɛrɛnkɛrɛnnen ye min na pi electrons bɛ delocalized ka kɛ ring structure bɛɛ kɔnɔ, ka "sankaba" dɔ da min ye electron density shared ye min bɛ molecule fanga dɔgɔya kosɛbɛ. O delokali in bɛ tugu Hückel ka sariya kɔ, min b’a fɔ ko planar, cyclique molecule min bɛ ni (4n + 2) pi electrons ye — n ye jateden dafalen ye min tɛ negatif ye — o bɛna aromatic stabilisation jira. Siklopentadiyɛni aniyoni (karɔbɔni cogoya) ta fan fɛ, o kɔrɔ ye ko pi ɛlektrɔni 6 bɛ tila kabɔri atomu 5 kɔnɔ.

o sabatili fanga in tɛ fɛn ye . Bɛnzɛni, n’o ye karɔbɔni wɔɔrɔ aromatiki bololanɛgɛ ye, o bɛ sabati 150 kJ/mol ɲɔgɔn na ka tɛmɛ siklohɛksatriyɛni hakilinata kan min bɛ ni sigida fila sirili ye. O sabatili wɛrɛ de y’a to fura kasadimanw bɛ furakɛli chimie fanga la (fura minnu dabɔra 85% ni kɔ kɔnɔ, kasadiman bololanɛgɛ kelen bɛ sɔrɔ a dɔgɔyalenba la), ka kɛ polimɛri dilannenw kɔkolo ye, wa u bɛ kɛ cɛmancɛ jɔnjɔnw ye izini kemikɛli taabolo la, minnu nafa bɛ se dɔrɔmɛ miliyari kɛmɛ caman ma san o san.

siklopentadiɛnidi aniyoni — karɔbɔni ka bololanɛgɛ kasadiman min ye fɛn duuru ye — o ye jusigilan ye cogo kelen na. A bɛ kɛ mɛtalosɛni chimie jusigilan ye, ka se ka kɛ sababu ye ka fɛnɲɛnɛmaw kɛ i n’a fɔ ferosɛni minnu ye fɛn caman sɛmɛntiya organometallic chimie la u sɔrɔli kɔfɛ san 1951. Ɲininkali min ye kemisikɛlaw tɔɔrɔ san tan caman kɔnɔ, o tun ye tilennen ye : ni karɔbɔni bɛ se k’o kɛ, mun na siliyɔmu tɛ se?

siliyɔmu barika : mun na fɛn girinmanw bɛ aromatisi kɛlɛ

Silicon sigilen bɛ karɔbɔli jukɔrɔ yɛrɛ tabali periodiki kan, a bɛ valansi ɛlektrɔni naani tila ɲɔgɔn na, wa a bɛ tetarasikili jɛɲɔgɔnya jateminɛw dilan fɛnɲɛnamafagalan fanba la. Paper kan, a ka kan ka se ka bololanɛgɛ kasadimanw dilan. Tiɲɛ na, siliyɔmu ka atomi radiyali belebeleba (1,17 Å ni karɔbɔn ka 0,77 Å) ani 3p orbital diffuse caman bɛ gɛlɛya jɔnjɔnw Dabɔ lateral pi-orbital overlap nafama sugu la, aromaticity bɛ min ɲini.

Silisiyɔmu ni siliyɔmu jɛɲɔgɔnya fila yɛrɛ jatera ko u tɛ se ka kɛ fo Robert West ka jɛkulu min bɛ Wisɔnsin Iniwɛrisite la, o ye disilini sabatilen fɔlɔ dilan san 1981. Hali o waati la, o jɛɲɔgɔnya fila ninnu tun barika ka dɔgɔ kosɛbɛ, wa u tun bɛ se ka fɛnw kɛ ka tɛmɛ u ɲɔgɔnna karɔbɔli kan. Si=Si sirili fila fanga bɛ bɛn 310 kJ/mol ma ni i y’a suma ni 614 kJ/mol ye C=C ta la. Ka se ka pi jɛɲɔgɔnya delocalized sɔrɔ siliyɔmu atomuw ka ring bɛɛ kɔnɔ, o tun ka kan ka se sɔrɔ o barikantanya danbe in kan k’a sɔrɔ planar geometry min nafa ka bon orbital overlap (orbital overlap) marali la.

A ɲinini tɛmɛnenw san 40+ kɔnɔ, u ye bololanɛgɛ kasadimanw bɔ minnu yɔrɔ dɔw la, siliyɔmu bɛ minnu na, hɛtɛrosikiliw, ani gɛrɛgɛrɛ suguya caman. Nka bololanɛgɛ aromatiki homoatomiki dafalen — ring kɔnɔ atomi bɛɛ ye siliyɔmu ye — tora kuluba ka chimie balema finman ye. Gɛlɛya in tun ye fila ye : ka siliyɔmu duuru bololanɛgɛ dɔ labɛn ni ɛlektrɔniki jate bɛnnen ye ani k’a sabati ka se ka jogo jira.

Bɔli : Ɛntɛrinɛti sabatili steriki lakanani fɛ

Sintɛzi ɲɛtaa tun sinsinnen bɛ fɛɛrɛ dɔ kan min kɛra sanu sariya ye walasa ka kuluba kɔnɔ fɛnɲɛnamafagalanw sabati minnu bɛ se ka ɲɔgɔn sɔrɔ : kuluba minnu bɛ ɲɔgɔn falen. Ni ɲininikɛla kulu ye ligandi belebelebaw, minnu bɛ ɛlektrɔni di, nɔrɔli siliyɔmu atomu kelen-kelen bɛɛ la ring kɔnɔ, u ye laɲini nafama saba sɔrɔ waati kelen na. Jɛkulu belebelebaw ye siliyɔmu ni siliyɔmu jɛɲɔgɔnyaw lakana farikolo la ka bɔ kɛnɛma fɛnɲɛnamafagalanw na, u ka ɛlektrɔniki-doncogo ye dɛmɛ don ka aniyoni ka charge négative sabati, wa u ka stɛriki bulk ye jateminɛ kɛ planar kɛrɛfɛ min ka kan ka kɛ pi delocalization (pi delocalization) la.

pentasilasiklopentadiɛnidi dilannen cogoya jirali ye kasa duman cogoya dafa ni fɛɛrɛ caman ye minnu yɛrɛmahɔrɔnyalen don :

• X-ray cristallography ye Si-Si jɛɲɔgɔnya janya jira min bɛ bɛn ɲɔgɔn ma ring lamini na (~2,25 Å), o bɛ bɛn ni delocalized bonding ye sanni ka ɲɔgɔn falen-falen kelen ni fila jɛɲɔgɔnya
• Nukilila magɛnni rezɔn (NMR) spektroskopi ye deshielding cogoyaw jira minnu bɛ bɛn ni aromatic ring current
ye
• Nukilisi-independant chemical shift (NICS) jatebɔw ye nafa juguba lase ring santiri la, o ye jatebɔlan ye min bɛ sɔn kosɛbɛ aromatisite
• UV-visible spectroscopy ye absorption features jira minnu bɛ bɛn delocalized pi-electron transitions ma silicon framework kɔnɔ
• Density functional theory (DFT) jatebɔw ye aromatiki sabatili fanga camanba sinsin , min jateminɛna ka kɛ 50-70 kJ/mol
ye

K’a sɔrɔ aromatiki sabatili fanga ka dɔgɔ ni bɛnzɛni ka 150 kJ/mol ye, a ka bon kosɛbɛ walasa ka fɛnɲɛnamafagalan in kɛ fɛn ye min bɛ se ka bɔ ɲɔgɔn na ani ka kɛ fɛn ye min bɛ se ka kɛ so funteni na fiɲɛ kɔnɔ min tɛ baara kɛ — o ye seko kabakoma ye molekiyɔmu dɔ fɛ, kemisɛri fanba dalen tun b’a la ko a tɛ se ka kɛ cogo sabatilen na.

Lab Benki kɔfɛ : diɲɛ kɔnɔko lakika

siliyɔmu bololanɛgɛ kasadimanw faralen ɲɔgɔn kan, o bɛ ɲinini siraw da wuli minnu bɛ taa ka tɛmɛ kalanko ɲininikɛlaw kan kosɛbɛ. Silisiyɔmu basigilen kasadilanw tun bɛ se ka ɛntɛrinɛti jogo jira minnu ni u ka karɔbɔni analoziw tɛ kelen ye kosɛbɛ, ni baarakɛcogo minnu bɛ se ka kɛ, olu bɛ tali kɛ izini nafama caman na.

Silisiyɔmu bɛɛ kasa duman sɔrɔli tɛ fɛnɲɛnamafagalan kura fara dɔrɔn katalogu kan — a bɛ molekiyɔmu jɔcogo kalasi kura sigi sen kan pewu. Baarakɛminɛn bɛɛ jɔlen bɛ karɔbɔni kasa duman kan san 160 tɛmɛnenw kɔnɔ, sisan, a ɲɔgɔnna dɔ bɛ yen min sinsinnen bɛ siliyɔmu kan, min bɛ makɔnɔni na ka sɛgɛsɛgɛli kɛ, u kelen-kelen bɛɛ bɛ se ka kɛ ni ɛntɛrinɛti, ɲɛnayeli ani katalitiki jogo kɛrɛnkɛrɛnnenw ye.

Semikɔnduktɛri fɛɛrɛbɔ la, siliyɔmu bɛ fanga sɔrɔ yɔrɔ min na kaban i n’a fɔ jusigilan, siliyɔmu faralenw bɛ se ka kɛ ɛntɛrinɛti yɔrɔw ye minnu bɛ se ka kɛ molekiyɔmu ye. Pi ɛlektrɔni minnu bɛ yɔrɔ wɛrɛ la o bololanɛgɛw kɔnɔ, olu bɛ se ka charge (sara) Lase cogoyaw la minnu ni siliyɔmu caman tɛ kelen ye, ka siraw Di ka Taa molekiyɔmu ɛlektrɔniki ni quantum computing substrates (jatebɔ-minɛnw) la. Ni diɲɛ semikɔndukiri suguya bɛna tɛmɛ dɔrɔmɛ miliyari kelen kan san 2030, hali ɲɛtaa minnu bɛ kɛ ka taa a fɛ siliyɔmu basigilen molekiyɔmu ɛlektroniki la, o bɛ na ni jago siratigɛ la kosɛbɛ.

Fotovoltaiki la, siliyɔmu aromatiki bololanɛgɛw tun bɛ se ka baara kɛ i n’a fɔ yeelenbɔlan kura. U minɛcogo n’u bɔli cogoyaw — minnu bɛ se ka ladilan ni fɛn wɛrɛw caman cili ye — o bɛ se ka kɛ sababu ye ka siliyɔmu-based organique light-emitting diodes (OLEDs) walima tile-seli-sensitizer suguya kuraw kɛ minnu bɛ danfara don siliyɔmu laadala fotovoltaiki ni tile fɛɛrɛ kura bɔlenw cɛ.

Katalisita ɲininkali : siliyɔmu mɛtalosɛniw bɛ kɛnɛ kan

Laala, jigiya min bɛ mɔgɔ nisɔndiya o yɔrɔnin bɛɛ, o ye siliyɔmu basigilen mɛtalosɛniw seko ye. Kabɔn ka siklopentadiɛnidi aniyoni bɛ sanwiye fɛnɲɛnamafagalanw dilan ni tɛmɛsira nɛgɛ bɛɛ ye, wa o mɛtalosɛniw ye fɛn nafamabaw ye polimɛri chimie la. Ziegler-Natta ni metallocene kataliziw faralen ɲɔgɔn kan, olu bɛ poliyetilɛni ni poliporopilini tɔni miliyɔn 100 ni kɔ bɔli sinsin san o san — sugu min nafa bɛ se miliyari 200 ma.

Ni pentasilasiklopentadiɛnidi bɛ se ka jɛɲɔgɔnya kɛ ni tɛmɛsira nɛgɛw ye i n’a fɔ a ka karɔbɔli analozi bɛ kɛ cogo min na, siliyɔmu mɛtalosɛni minnu bɛ sɔrɔ o la, olu tun bɛna kɛ ni stɛriki ni ɛlektroniki jogo danfaralenw ye kosɛbɛ. Silisiyɔmu bololanɛgɛ belebeleba tun bɛna "bite angle" belebeleba dɔ da nɛgɛ cɛmancɛ lamini na, min bɛ se ka kɛ sababu ye ka sugandili kura kɛ olefini polimerizasiyɔn na, C-H baarakɛli la, ani katalitiki fɛn wɛrɛw la. Hali ni ɲɛtaa dɔɔnin kɛra katalisita baarakɛcogo ɲuman na nin izini hakɛ in na, o bɛ kɛ sababu ye ka dɔrɔmɛ miliyari caman sɔrɔ nafa la ani ka dɔ bɔ kosɛbɛ fanga tacogo ni tiɲɛni na.

Jateminɛ fɔlɔw y’a jira ko siliyɔmu mɛtalosɛniw fana bɛ se ka magɛnni jogo caman jira n’i y’u suma n’u ɲɔgɔnna karɔbɔli ye, ka baarakɛcogo da wuli spintroniki ni magɛnni kunnafonidilanw na. foro in ka dɔgɔ, nka hakilinata jusigilan bɛ ka sigi senkan kaban ɲininijɛkulu caman kɔnɔ diɲɛ kɔnɔ.

Bi ɲinini baara gɛlɛyaw ɲɛnabɔli

Fɛɛrɛ minnu bɛ kɛ i n’a fɔ siliyɔmu bololanɛgɛ kasadimanw, olu bɛ bi dɔnniya ɲininiw gɛlɛya misali jira — san caman porozɛ minnu bɛ kɛ ni jɛkuluw ye minnu bɛ baara kɛ ɲɔgɔn fɛ, minɛn sɔngɔ gɛlɛnw, sariyaw labatoli, bolomafaraw ɲɛnabɔli, ani diɲɛ jɛkafɔ min bɛ ka caya ka taa a fɛ. Ɲininikalan kuluw n’a daminɛ minnu b’u ka sɔrɔw jago kɛ, olu bɛ baarakɛcogo gɛlɛyaw sɔrɔ minnu bɛ se ka kɛ ni baarakɛda cɛmancɛ bɛɛ ta ye : ka porozɛ tan ni caman nɔfɛ minnu bɛ baara la, ka sannifeere ni feerekɛlaw ka jɛɲɔgɔnyaw ɲɛnabɔ kemikɛli kɛrɛnkɛrɛnnenw ni minɛnw kama, ka HR ɲɛnabɔ ka ɲɛsin postdoc ni kalandenw ka jɛkuluw ma minnu bɛ ɲɔgɔn falen falen, ani ka sɛbɛnw mara ka ɲɛ hakililata lakanani kama.

platifɔmu minnu bɛ i n’a fɔ Mewayz olu bɛ baara gɛlɛya in ɲɛnabɔ tigitigi . Ni modulu 207 jɛlen don minnu bɛ CRM, fatura, poroze ɲɛnabɔli, HR, ani jateminɛw kan, Mewayz bɛ fɛɛrɛ kelen di ɲininikɛlaw ka jɛkuluw ma walasa ka kokuradonni jago fan ɲɛnabɔ. Sani u ka jatebɔsɛbɛnw, imayili cakɛdaw, ani porogaramuw baarakɛminɛnw fara ɲɔgɔn kan, jɛkuluw bɛ se ka porozɛw ka taamasiyɛnw lajɛ, ka feerekɛlaw ka faturaw ɲɛnabɔ laboratuwari reagentw kama, ka jɛkuluw ka waati bolodalenw labɛn, ani ka wariko kunnafoniw dilan, wariko baaradaw bɛ minnu ɲini — o bɛɛ bɛ bɔ kɛnɛ kelen kan. Ekipu 138.000+ minnu bɛ baara kɛ ni Mewayz ye kaban diɲɛ kɔnɔ, nin baarakɛcogo kɔlɔsili sugu min bɛ kɛ cɛmancɛ la, o kɔrɔ ye ko waati dɔgɔyara marako kuntaalajan na, ka waati caman kɛ ka dɔnniya bɛ se ka min sɔrɔ, o dancɛw gɛlɛya.

min bɛ na kɔfɛ : waatibolodalen bɛ gundo caman sɔrɔ

siliyɔmu bɛɛ ka sumalen bololanɛgɛ dɔ labɛnni ɲɛtaa bɛ ɲininkali lawuli o yɔrɔnin bɛɛ la : kulu 14 kɔnɔfɛn tɔw dun ? Alemaɲi, tintin ani plɔmu bɛɛ bɛ siliyɔmu ka valansi naani-ɛlektrɔni cogoya jɛ, wa u kelen-kelen bɛɛ b’u ka gɛlɛyaw jira walasa ka se ka kɛ sababu ye ka aromatic ring systems sabatilenw sɔrɔ. Kɛrɛnkɛrɛnnenya la, Germanium aromatic rings, olu jatera sisan i n’a fɔ laɲini lakika min bɛ se ka kɛ waati surun kɔnɔ, k’a da germanium jɔyɔrɔ cɛmancɛ kan siliyɔmu ni fɛn girinmanw cɛ.

Jɛkulu 14 kɔfɛ, kasadimi hakilina bonyalen don kaban ka se borɔni kuluw ma (boraniw ni karɔbɔraniw bɛ kasa saba jira), fosiporozɛni bololanɛgɛw, ani hali nɛgɛ bɛɛ kasa dumanw i n’a fɔ Al42− tetaraniyɔn min kɛra fɔlɔ san 2001. Fɛn kura kelen-kelen bɛɛ min bɛ kasa duman sɔrɔ, o bɛ baarakɛminɛnw bonya minnu bɛ sɔrɔ fɛnw na dɔnnikɛlaw ni sintetiki kemisɛriw , ka molekiyɔmu jɔlifɛnw dilan ni jogo ye minnu tɛ se ka ladege ni karɔbɔni basigilenw dɔrɔn ye .

Pentasilasiklopentadiɛnidi dilanni fana bɛ taabolo belebeleba dɔ sinsin bi chimie kɔnɔ : kuluba kɔnɔfɛnw ɲinini cogo labɛnnen na jɛɲɔgɔnya motifw kama minnu tun maralen bɛ karɔbɔli kama fɔlɔ. San tan fila tɛmɛnenw kɔnɔ, fɛnɲɛnamafagalan sabatilenw minnu bɛ ni siliyɔmu ni siliyɔni sirili saba ye, fosiporozɛni ni fosiporozɛni sirili saba, ani hali boron-boroni sirili saba, olu bɛɛ kɛra tiɲɛ ye. O sɔrɔli kelen-kelen bɛɛ kɛra ka kɔn san tan caman cɛsiriw ɲɛ minnu ma ɲɛ ani sigasiga hakilila la, wa u kelen-kelen bɛɛ ye sira kura dabɔ fɛnw dilanni na.

Min bɛ siliyɔmu bololanɛgɛ kasadiman kɛ kɛrɛnkɛrɛnnenya la, o ye a ni kemisɛri ka hakilina nafama dɔ ye jago siratigɛ la. Aromaticity tɛ kalanko abstraction ye — a ye molecular property ye min bɛ furaw, plastikiw, kalaliw, explosives, agrochemicals, ani electronic materials sinsin. O nafa in bonya ka se siliyɔmu ma, o tɛ jirisunba dɔ dafa dɔrɔn kalan gafe tabali kɔnɔ. A bɛ siliyɔmu chimie waati kura daminɛ, yɔrɔ min na, fɛn in seko bɛ tɛmɛn kosɛbɛ ka tɛmɛn kristalɛ waferw kan an ka ɔridinatɛri puwɛntiw kɔnɔ, ka don molekiyɔmuw dilanni siratigɛ la, fo ka na se bi ma, a tun ye karɔbɔni dɔrɔn ta ye.

Ɲininkali minnu bɛ kɛ tuma caman na

siliyɔmu aromatiki ye mun ye ?

Silisiyɔmu bololanɛgɛ kasadiman ye mɔlikulu ye min kɔnɔ siliyɔmu atomuw bɛ kɛ fɛn sabatilen ye, bololanɛgɛ cogo la, ni sabatili kɛrɛnkɛrɛnnen "aromatiki" ye, o ye jogo ye kabini tuma jan ko a bɛ miiri ko a bɛ kɛ karɔbɔli dɔrɔn de la. O bɛ tali kɛ ɛlektrɔnikiw tila-tila ɲɔgɔn na ring lamini na, o b’a to a barika ka bon cogo la min tɛ deli ka kɛ. O sɔrɔli in bɛ aromatisi hakilina bonya kosɛbɛ ka tɛmɛ fɛnɲɛnamafagalanw kan ka don fɛnɲɛnamaw tɛ minnu na i n’a fɔ siliyɔmu.

mun na nin jɛkafɔ in bɛ jate waleba ye ?

San kɛmɛ ni kɔ kɔnɔ , kasa duman tun ye fɛnɲɛnamafagalanw ɲɛfɔcogo ye minnu sinsinnen bɛ karɔbɔni kan i n' a fɔ bɛnzɛni . Ka se ka bololanɛgɛ sabatilen, kasa duman dɔ dabɔ a bɛɛ la ka bɔ siliyɔmu na, o b’a jira ko nin kemikɛli hakilina jɔnjɔn in tɛ karɔbɔni kɛrɛnkɛrɛnnen ye. A bɛ kalan gafe dɔnniya sɛbɛn kokura ani ka sira kurabaw da mɔgɔw ɲɛ na walasa ka fɛn kuraw dilan minnu ka ɛntɛrinɛti jogo kɛrɛnkɛrɛnnenw bɛ yen fɔlɔ, minnu tun tɛ se ka miiri siliyɔmu fɛnɲɛnamafagalanw na.

siliyɔmu bololanɛgɛ ninnu bɛ se ka kɛ mun ye ?

K’a sɔrɔ u bɛ ɲinini daminɛ na hali bi , nin siliyɔmu bololanɛgɛ kasadiman ninnu bɛ se ka kɛ sababu ye ka baarakɛcogo caman sɛmɛntiya . U ka ɛntɛrinɛti jɔcogo kɛrɛnkɛrɛnnen bɛ se ka baara kɛ ni u ye walasa ka semikɔndukitɛri suguya kuraw dilan, ka fɛn kɔrɔw dilan ɛntɛrinɛti kan, walima ka fɛnw dilan minnu bɛ baara kɛ kosɛbɛ. Silisiyɔmu kɔnɔ kasa duman kunbɛncogo faamuyali bɛ se ka fɛnw dɔnniya bolofara kura bɛɛ da wuli, o ye kalan yɔrɔ koloma ye kemisɛriw fɛ minnu bɛ baara kɛ ni nafolo ye i n’a fɔ Mewayz (a bɛ modulu 207 jira $19/mo).

o sɔrɔli in bɛ tali kɛ cogo di siliyɔmu kemisi kɔrɔlen na ?

Nin sɔrɔli in bɛ siliyɔmu kemikoro laadalata jateminɛ sɔsɔ . A ka c’a la, siliyɔmu bɛ jɛɲɔgɔnya kelenw Kɛ, ka cakɛdaw ni jɔli Dabɔ minnu bɛ tali Kɛ alkanw (hydrocarbures saturated) la kosɛbɛ. Ring aromatique sabatilen dabɔli b’a jira ko siliyɔmu bɛ se ka sen don jɛɲɔgɔnya fɛɛrɛ gɛlɛnbaw la, minnu ni karɔbɔli bɛ tali kɛ ɲɔgɔn na, o bɛ se ka kɛ sababu ye ka siliyɔmu basigilenw ka fɛnɲɛnamafagalanw kulu kura bɛɛ sɔrɔ, minnu ka jogo tɛ kelen ye ni silikoni ni silanɛ kɔrɔlenw ye.