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Coordination

The document discusses coordination chemistry, focusing on the recognition and application of coordination compounds, their structures, and bonding theories. It covers various types of ligands, their roles in forming stable complexes, and the theories that explain the behavior of these compounds. Additionally, it addresses the magnetic properties of coordination complexes and the factors influencing their stability.

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0% found this document useful (0 votes)
43 views32 pages

Coordination

The document discusses coordination chemistry, focusing on the recognition and application of coordination compounds, their structures, and bonding theories. It covers various types of ligands, their roles in forming stable complexes, and the theories that explain the behavior of these compounds. Additionally, it addresses the magnetic properties of coordination complexes and the factors influencing their stability.

Uploaded by

sadikilyas2019
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PDF or read online on Scribd
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(ourdinetion Chemis Gotents Deh _ i Recegai ition end appl cation of Courdd:inerli, Corpur a ¥ Porrenclatue of Gucdinabion Composrds * Coordi nation formule and _ boomers la. edie Compa vod _* lice der’ of Cordinertion Complerc Corpacd. £ Theories of § eee ¢ Lundin # (lalence _ bed Theo ct ‘ rol lecole Orble eon). chet 339 Prt W332 oe dition Campound s The R eachin of un Sol \uble Salts misced Up togethe- An forma A new Compound - —Addihon Comp ouncls Can be @Heg or! sel Into ) Double salt and bse a Compound . ee ' Double | kel4 satis are slable ak soluble Coplute) stele. higcle + bloO— ket tgct. « +66 kt cf [197 + Cooddination Compounds. CaSty -gHao TCH 94 ]5t, » Corl Lion Nev Gopunle are le both Line! salle, she wal In Sdlobion. } © (annol ian MWe presence of CG Lecuse et Coord) Coor dihabion Compurd.s > Ths Cotain & area mela) elo atom, Lei Yu mbe- | of as aes © Com Complex ene = a Gra J Cohort Hl, atackel-f, q bgovel. = Gaordinads on ‘Chem Ts g branch of Cromishy ral Py, atl de study nedion Compurds eC Gre Compound a vel, ae) Sur on L Vgards or deror atoms. They are lee Ik Noun rplets (on -eilbe- be; lop (a ontc) wD Anionic EA reetre| Compe, Grp lex Aor (OM 4] apron Complex for (49° Peube) | Lojane - Sphere /\ nner sphere ; de Sphere | outer sphere, 07 Pho, Gonple = ky LRCoaey 7 | oni zation sphere x Oxidation number (ste harge possoed by an_chom Gnon onthe chaccje posessed! by the metal ion. : eg (eC ait / jxe—txb =-3 x-6=-3 - x=-346 =43, : + Coed eke Dumber = [ste umber of Gurdingle by attache Ap Ihe metal joo: i. » Ligards> Gr be 4 neubel o¢ chorged molecule Lhe} Can dangte 9 fore pac of election te He Central meal Non. - ¥ Doror| aboms = Common bro ctems =, 0, ard 5 > chpoc acto la-He com elirectty ablacted + | He me lon. + Plonodentate (igends Capab oF clonating One elechon C4. donor atom) He paler cte lands besing mort then One Uigend atom: lt Can be identate, [ridemete, Telraderta penis ntale, ete. Soca mple oF Lidemtste aloe, te (4. be Cherepe or retreat 4 Pramples ; : Aceb tacts, Sulpeds, Oxalaly . 7 fe | ar \ere dia "S12. 2 wLipyridine, heron thioline. vthelale ble \, $ elation dalle = Ans Complex Thon One dono Nad Gh Carel o Feed vin Ip dmchore! = Chelabing ligand = Compler faving more Her One chore. position 1p g a light dackle ele a lo tbe (e535 of Foc ming G ring light Stucke example ne + cla (en) J" \ pt _- hte fe Z Npu, oe delale « labile Complex Le « Tigerd replaced u Subelhted Sa anolhe, ligand, dhe. oct high! reachse, 4 acne 3 esl oC CyCRHs + bu o- y Compler ¥ f ligerd Hel Creat Substtuky asl role, h nd and they Gre less reachw-e \ J " Boning = Tears fo ot Clechen. Bandanc, Teenie —_ - (ew seat on lad »> Ont oe ake sled electes at oo ills cl "A cé Laccho, Sulplede, 6 xalaty s ne bela Neb G |Helbslere damine 2-2 “bipjridine (—lo £ phenan +hioline. a Chelate che lal ligcnd $ chelation L arplex aur rot an One dono Coordinate +e form rig light Shuctiuce. 7 Che lafing ligand = Complex lauirg more then One as reap Ber q cing ight: cheuchive. echela example a « abi 4 ci: e- coal hon ls le pretess uF for mig Qa ring light Struchie + cle Cen) T° \opt fila fp ee Nou, ——Oe ctolate e Complex pts igeedl rep laced oe sulehhwed ec ligands they ore high) recchue, aC) G4 esol cq Chie) bus: ¥ Sart Compler + x ligend Het (nro Substteb 4-4 othe, ligand and they Gre less reac hue ¢ Lodic Bandicg a Trask of elector. in Bordan Theories } = Corda bacdey =» Ont Ore alum shined eleoker 2D Cotalont Bending 2? Toe ohn phered © leche He AL, eorteS Gre+ D\ Ooh lenke Burl Theory ) Cysk! Rebel de, 9 robuale- orl;-tal Da C1 YQ 52 Ad lasag Valence Band Plear ee, lel fis D dhe 0 why Spel are tint to Gccomodede "he lone _| aus of elechuns for tHe gan. or Cosideced fy beg generate orbitals + Degelerak orbitals > are orbitals haing MeShne eregy Fue}. Cclegenerate = = the Sore). Transition cleremk » Hes? ae «grip & metallic de— i hat have Gn [ncemplete boner CDeleckon Sel} brwiog gets Ue e Uslencies, they are Ip elomenls Brg, aad Hhose ly 293 We; Herm lo the Pere le Se — Tr Set Pxerple Ccly — ct f- dA cl C= |s7957 2p" ll or > 1 eG 1 cl. | clet cl | Orbilhls Mhet ave Used-ty Gccomadale Ho lore pairs of | cdechala In Coordination Grpovals Grew fim do & dew Oy | 1D Second Assumphon— | 4 There must be ao lo krack on Lehween te lone Pac 4 ot metal \on orbital and \ige! or lone Paice of Clacton 4 from 4 igands - x1 cbilels Wobare Used do form Grpounds = Oclahed-a} ~ Teds bedeal OUR o Squ re plenae ' do a | Paes We mele) lon [5s Sur@unded Ly 6. dda? sp 22 brbrbl cred rat pa IRT ° Ss . Sa Tonb- d- orbital > Me “Complex ls stable Ge q plex Cacdipahon. |e Outed -ocli tal > tbe Lingle cls Complex - Cosed:' ree less stelle. et te Z elect oe In bee Side + Lene fi Belt gend oIL Gok 9% __d (seh Tt 6 2 - in sd°gsr en tage D sin Mo Tire — d ~orbila) [s is ; | at to ccomed ok | _ du Pacs ef elechon fom Mo Pande Gmple. } ks Jing +o magnetic — rflex Is Paramagnehc —» becawe of tHe vith He Tybadaie om SP? —oclaledral- £4 fe Cob jr > einer - Ochbed al ; : *S | AAO => aauck | ic na@luce = paramagnent eee Si ee : expyesef63e— OTM neck Decco ake Lec] Spas | Tebraledea) Corplez —-U Coordine Hon number a a) fe a tle © melry > p> Lybridi aihon reac rec ‘dD (wi (ly) °= 5 aeale [i gand: = oxidation state. pi ‘oF = 39% oats Ol Telalmn or At Gd EARS Ea ; cl ct cl ecl Ss 3 4 Para neh. — | P 9 ¥ Squac ana oe iy Coordinate Lond _ dope — Gp > Y[ 01 (ca)4)* ae byerd-_ wi — 3d 5 45° Ant —> 348 LA) wm wt negaboe mela) Is Considered to be Is na Interackion between the. Joc 6 weal [ed 2 Ee ot eq ¢ pit reg alive dua charge lon and point posi ve Charge. To forma loond 5 There must be lnleraccton bebe een poiet posihve Cherge metal lon Gnd poiet regetve cee ligand : st” che . |] Cagery “) Sliilgls - day et dogereiat le’ : 7 : ¥ there are In Lehoeen dle ans ox x less repul sion. yt dt yy Diskibuton oF election Ind ® = 6, bial eo wef €4 i 5p “4a tag ee ' a ds 4] 71 41 71 | —t____.. 7 High spin [08 spin 2 44 Z die al 4 ew th | —Glelohon oF Cost) Geld slab il energy (OHS ec] Je or — Cfs€ =(-0-4Ao +064) | d= p+ / a - Numbe— of electrons iE obey - - = Aumbe-~_o fF electrons n_ Ch5e = Cog ded = (-04xPAo +0-6 xg Ao) SY _ ;, =(-0-4p + 0:64) Ao +!p Pairing see (>p) - more stable Arle © when He elect) [ala /4 Tay Ie Tp LL Side toy Gee J r 4 Dist bution ot electons |n High Spin or = Si High spio io Spin d! ee ep if —— a a7 j a} ee Af 4 __ TT alt a a _— 1114 1 A T 4° - ae 1 t_ 7-4 4 Bp Gloulate Me CASE Valoe far ol!" Ino tebedral Corpleres CSE. = (—0-4p +064) Ao +p E (0-4 81 + 0-6 x0) Aa + OP a se Ww ua se = (-o-4P +0-64) Do +rP (Found + obxo) be +P F-lbdo +f Al! igh Spe fisaaa tate sen : 2-0'b Do - tt : dt | low spin “ise = Co-up to-bg) Ao +m rC- C046 +0-6xU) bo ia 3 eal poe + 3Py —— “CPE = Co. on 06g) Ao + mp 7 = CO4xs +0-6x 2) Ao 4 2xP- = -0:%Ao tie - a Ox Sese Q) predict tte ore, Sab il: rche fia Pe! ies fie Palloany _ 48 ray! . a ky Che dh / ») ky FeCade a | K — ecryse) Held Sphttng In Tehrahebe! Complee! cba n behween He qxis > Stper enge high — bhigsnds. 1 repulsion. a és } doet-y2 dla? Tetrabedlea! Complexes lJ alos heave High Spio because the Pact eneryy Is qhoays Very High. eee eae of: Cgohh me Shabili zafion Ene a» Tetrahed al Complexes Cfse= (2bby +o0-4pJ DE but At =o0'45Ac as icfs€ =(-0-6m + 0-4 x3) Dt at se = (-o-bx4 +o-4 xD At | 3, Bt, db J dh d” > Dp H yourelt | lal felt splittia wore ees : In nae gee we approach ea ry dx? -7 | dat ye dt t { - dxy ht dye dct oft € | ole. t Theory : - : cm & Bond The Orbits} must duvele ". 2) Bondi 4 anti benching oPtih ts are Pormed Lum fle Overlsp of metal lon Ocbilals & [igen Orkrlals 3) Gon jn orbitals Gee lower le Conergy “then 3 Bondin ol 5: ? ott " i tals from Se igsnds ar ad 6rbi hat Gre Use tor Cobrdin ate bond per wn oe; S pb PP | Hh TR lead: s of Orbrals fum the metal Lon pn Obed ral Green \s 4h Lert ol 6, lata oA melel lon Ihe} el lce-to Oe Gee ; aie tL eleclans frm ligands at either Al? SP or SP? a s day, doctrdy? — noe ~burdng Orleals (ba bat gps dats, 5s P banking ovbrlele Th Orbilals. dry drt, dye are directed lie axis, 5 such, Connot focm Sigs Lond ~Grd ore Called on = bandos Oc bls - ote + dx? ~y2 de? (ef | ie — tid) coe) co (ats)6 J Somes cot zl! x ° +3 ——- { (pJ3d* 4s? Co’ — 3d @® ®@@ role fo oleld Dipak. onl ——s POW magnetic parsperty— Digmagebe. Sebo sible ; Georely = (qclabedal weghQ@U8~ Co - 3db ys? CHT 3db- | Grrrtfedions of Valence oad “Tew DE em =aplin ae begin 0 re Tee iu Nation 42 ™Pounels 2) tt Tannot explin Ye magnet nelore of te a Grpouncl arth Gn Jrcreasing Temperstur | Klomenelntoe of Goodin bem Compan = Als sex plome be #—-- Alame cf Com ple greene 7 we Sth : Small fe £4 4 Lob, _ a a Mowe et Asve ton te - : hens Coding - te! ne ged ln _ancen ae Nlaesi -atjeme 5 of Complen Coun fanrn of gene | OK Apo ene Wathe ded : tate alee ——- Le aaeen pi & Alownrp of Lysad : am! Fo at cu : fe are cpowe iy tom ted © 0d ihe, ator , ah fa) ey ey TF oye narmsitte Che chlore ae bWrieh s-seb Lewe Copnd Gh cana nm laf Ge

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