Types of Bond. __ rr
@ Covalent Bond (ahasin e738)
@_ Coordinate Bond (lone Pais clonote) 7
@ Tonic Bond _(tranzfes of efectron) __
O- bilock metals — > negatve jong ox anion —
eo nett) molecules a
a ___>_Coordinate bond
at te 2 cooxclina Hon compound
2M tamin By, Ceoordinat es -compound of Ca bal)
a nine 2k ( Tron. a. E
> Chitoste phy 0 s Mg)
[1 Cooaidination Compound ax Comptexes :
> These Comtains —a_centsia’ metnd ian
Zusnnounded by a number of Oppo8it
changed _long~ or pyeurtrad ‘molecules:
most than ita narmo4 wotency.
=> The oppositely aoa long _or_peustrad
molecules ‘ore 20 Ca ted or Nigand(2) Werner's “Theory. of Coondination compounds.
i ‘Primary valence & Secandany volence
ar ao feo, reso = wecorsary vasence
[co (AH) ¢] CQ, t Povimary vadence. = 42
* Prin valence = axidoHan no.
Secondayy Volence = coasidinatian N0-
(06. of Higands attached
cto. “Centras metal
* Co +s xo = +2 -
Co=t2 coardination gphexa or entity
igus [cone (WH5)5 *GI— counter jon.
CoXé) + 5X0 = +1
Gar et |
Co = F2] = Potimany valence
Secondary olome = +6
The main postulates of Wwesinest'g
Theory OF t=
_@ The coandination compounds shows
two ty pes a tinkage (or valency )
Prrimasty, 8 3 cond ary,eines a
ta ? Vobenay ans generally
Waniadble ond ane f ts
jong a Aancedt Po negitive
feaca (ur), ] Cot Ha —> feacg PR re
|The 2econdany Volaney ane non. lonigabte i
The secondary Valen 1s equal Jo the WF
——A9.0f_ggative! tang ox neurtrad Mmoalecutes |
ottached™ +0 control
mitel atom Also,
-Knoiwn 4 caasidinatHan Alumber asi 7
@ the _ions_4si0up s_attached to central
rete adem nk different sbatial
—Asinange metal Which _clepends upon
ee Dow of, Ai goting acto Max coozdina+tion
—o.0-
Spatial asstangements ant alao called
* a Py ayhedna. abe
nasty Valen, 1& non dinectional and —
“ eee a9 vetency clirectonak cohich
detesmine® the at%uclure complex.
> ix_iganda, oppsioachear then
’ pata ct pescctbies ig_generallly
formed.
bo fs3 [eo WHY]eo SMganda_oppsiaches— tae
any sia tneteat aerucime lagen —— aa
Tetmahedsiad ~ Squa sus Planer
Somé_Imbostont— Tema related —
rdinoHon Compound
oo 8p heve /
—_— counter ion
a [Entity — a
bs et Wye} ea Z
(oe Wig), |? oo
pe feor 0, (ans)5}
____Coardinasion Gntity [sphere
2 Cotionic Compiex _(4ve)
[Co Convey Put cmrisye 2"d
2 Amianic _comptex Eve)
a
jag Ga),) , [Fe ea%)s)
Oxalate jon coo
pO %
> New+tnal Comdex —
(coca, (NW 45)3]
[Pt ca, Wrs),]
fe jong pes mode the ollowin
a aon ests Bcical atari Soution.
=
=
—
- Ha) 5 | C9> (. a
= [coct cams]
—
=
=>
Totek ie Ss a bei
Cag funy] ce: —Totad ions= 2
e @ [P+ co, (Hs) ) eo + Tototions = 4
c © [Co wre] ce, : TotoQ jong = 4 _
PO [ed cam),] (0ech] : Total jong = 9
>
:i Tatas fena.of ions = 1 + 20. of counter ions |
; ‘ spitated foes mals,
Wyieate la thisencees Ay alo,
0B (C000, (atts), ]C_: coor.no =_é
(OL[Pd crity),] chy: coor. no = 4
ce Mi {Ha0),}C, 2 coor. no =_¢
@ _[P¢ o,} Seip Coons No = 6
Ou (Nik) ,| 2 Coon. No= 4
—Centsia9_ atom ast_ion:~ The
( ion a1 atom
_to_eohich a_no.
of neitrah Motec ules
hed In coordination,
13 called centras o4om,
Be, Ligands t- The Newtsial molecules
Hea attached to central atom _in
r C60xdInation entity la called Aigan iL,ae :
= [Pt co twin). conta atom = Pa
Coeds en ty. os Ligand2 = co, NH,
Sansa nae s ll
dand -——A Jigand 18 oun_adom_om
ecute os Yin which i&8 Capobse of _
donating a_baix
seed SA ot aceamia Satan
> Types of tigand aan
Ot 4 —on the bagia of no.—
@__Unidentate ox Mohodentate tigand .—
_Liganda__tahich_con—caasidinase wwith
céntsial cam by single donor atom
Eye C-, F Ba; 1, Had Any pH A
Coe Ganboay)), Alo (uits10ayl)
On? Cydsoxide)_,_Ca— Gyastida_ton)
Nb; (hits lon), 02" @xide) 7
Acetate ion (CH; C00), etc
@_Bidentate Ligand.
The diqand wshich have two donor atoms
cto fost caondinate band coith cents al F
metal atom —azion.
Bgi- COS oy 0,0, (oxalate lor)MH CH, =ClHy — AH, CEthan=|,2- diamine)
£5 Ethylene a
pe Patydentate wHigands.
Tesi dentate ox Gisiidentase) |
Thute donoy atoms. z
_Teknadenstate: Foun (dominy atoms,
=i Pentad en tote: Five donsy atoms
_Hexodentote + 3 jx donos atoms.
— Donor atom [Phpreviation
—Bidentate Ligands
Ox.Te toiahentate Ligand.
Taienth 5
Tetsia amins Mw talen
CH, = CHa = WH
! I
~wH CH
1
ve CH,
CH, - NH, Wis
Ethytene Diamins
ae
Tetsiacetateion ERTA
Not O
C607 on
hoo
ae
=CH,- CH, -V.
CNHs CH
<007
Homoteptic Hetenoleptic complexes.
ti exeaz- If athe centsial
asia ee cone et do athe
zame type of igands » the complexes
asx Known as homoteptic.
ic complexes: Tf the central
Habe 14 oe aghad if different tyb«
of LU ands_:the complexes formed aris
known oA hotenotcpHc. en
[Co (nH), 8 [coct, (NHy)q}
hohotep tie Heterolephic@ Coosidinasion oO
] Coasidinaton- “Pod y hadi
Sela aaa yO. gtu
centts10 9
@ “Chedation 8 “Denticity — ae
_When a _didentote- oro palydenstabe
Lee 1g ses 18 eno Gx more donor
aetna alo bind the 2ame és
nla the apatiad
id attached to ths
Lo tem
On
_ @ ATstidentote
_) Ambidert Li
which.
metal atom Fa donor_xitex as called
ambidenk sig dz,
“Centnol metad_odum or loo paraming
ee cute called chat et
The no. of chelat
incom as ating
£3 :- [Pt ct, (en)]
—@ Didentohe cholaton (wo dames atom)
Pepe.
Soi em aie 0
Find athe coosidination See ee |
@ [rs _co, (en)] 3 coon nigel ag wee
Ka Ys _cooxd, no = 4 oe:
@_ [fe (ed+o)]- 2) edd. nolaie ote
@. _k [Fe (c,0,' faa no Sa hiae) oe
@. [ee (en)y] oe 3 cond. no = fies ey
asi Find the HexldaHien— if. contra enctad odors
tS, a
> @ Eo & axidation no =
Of een on 2 > oxidation n0. of Co =
Bf oe F275 Oxidation 20 ae
een via Gocsidination. Com pound)
6- ‘Alaming of cation dg_dene- fise followed
— anion
Sf the Com plex ia_newatrad, naming iz
_ done _in- oo ong word. l6 Aaming Ligands by ie pivat in.alpbabetical
as jbo
naa oxida tion- ‘number
aa ee inet sa eee aa
epee ces.
—_ (nitro onium) —
ti nu; {ipa
0,t a to nium)* Newt a2 Ligands axe pared
@ CH AH, — Cmethyamine
With CH, CHa AH, (ethane =L rt iaesinele
* Thasie axe few exceptions | in nang —
newtsiad_ Ba
4,0 Gqua) _|@Q_en- (ethane -.2- ~diammine)—
@)_N4; Cammine Bee (pystidine)_(ey) —_—
wy)
®
@
@_pvo_(witsioay) PH phosphine)
PIS: (casibary) (Cotte)g? CTatiphenyt —
CS (thio casibany, A) cr aa (en) — 2
~ [es cd, (WH.
= ont cobalt Ha :
= O. ca et a
au = fee ded cobalt (ay -ohdoride a i
- | Fr : ae x
fy: saftey 3 sion r-(0) shal 32
TUPAC. is i eee “ ee
()_ [Pec Woz) (ovHs)y} 80,
Tetsaamminechtoxida nitsito -V- platimurn (v) Sulphate
O [Cock We.) Wes),]
Fatiaraine Taxriammins dichlorldo nitsite -Ay-cobale (2)
A EEE iSes clea
a a tenatc
© [euttad, fonda} $0 ae
| Tetroammine diaaqua cappex: (IE) Sulphate
ee ——
eee oe pe
eecacna rt totiphany phosphine _chstomiurm (0)
Liga d_swbeat —j— Ligand campQex |
Se
es —4- trig
pe €- fe mkige
bis =(ethant -l.2-diammine)
boi& -(2 thane ~ 1,2 - diammine)
__ dmg” + dim aximacte
(deg), +- bis ime thyd gayoximata)6 [Co Ba, (en), | Balam Pea
_=> Suche oe :
“(Sn)__=! Stan tate
Mercury (H9) = Mexcurrate
@—k,[Fe ),}
Potassium Hexacyanofesrsiate (az)+a Ke Fp ct.
Pota2gilum um tedsiachlonidemenctdiate (I)
® ee
teeeaiee Sodium teks1aca% be bony Cobaltate. et
’
41.07 (i _ ee
Sajal ak = ;
—__ tetsiaammins Bilves (2) dicyanidoasgentate @
Fa _ [co ltts).]- fertem)<]
_—hexaammias Leobalt (ar) hax acyan ida chavomate (
(139)
altaBE] Tomer ae
Two_or mare compounds having 2a.me_mo
Masa ox formula but diffest _atouctux
asistange ments Of atoms. —_—— =
Tgomerxs— bi hs
Structural Deomer a Stereoisomers
mM — _—$_—__—_—_ > Greamotrical Tx ortexs i
é is trad ;
G@)_onisaton Leomexs— (ig creesy
apHcal Taomexs
[Ea Bor tnys] 50,8 [C0 50, Lor), pein irs
Be (won g] 50g SSE AESIES cs Bs (nn
Co Ba (A/Hs)¢} 504. af Fan s
= BQ, (Wt) 5] BX | ads cf tovisationg [ey So, (WH3)¢} + -Bx
@ ydorade “Teomexs fe Sodvaste Leomexa.
[cx 1,0) Cl,
Tex 6 -H120)5}-Cte H,0
bee CB, (H2)g} ca.2H, 6
@ ConsidinadionTaomentiam.
[xu [x4] = [4 42) [Xb]
[Co (Wita)e] [Cr-Lor)} 8 {co (cn) [Cx (h<}| _@_ Geometsicad lsomexa.
| ee Ligands sch ir a
fee cee te oe eb posite
djacent
-to-cach_othex
=Compound.)
ci Ice lends) a
Greomedoricad Laomer& “axa not hourn “hy:
Complexes “calth, coordination pumber 243
ever
On
i al
S uo _-planer (HA: x, MAX)
% deal Con, x, MAS
“Limitation of werner '£ theday +=
O a do. ond cestolin_motols foo Coordinate
caordinatimn —campounds hove
seh assronge nents Rs o-difinite
© Optical Lsomerxd
> Laevoriatatoxy [0- poor (=
Dexeaitniony fe fee a —
2 Misvian ima is not aupex ion oaibl
cto €ach thts Seon a8 sie ae
—
~~
_y
“a
—e
_
=>
”
=
=
a
oe
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&
ae
a
>
»Se ee
Soe Taplin thearieemrrdo hi
-QNetince Bond oe one fs
atal_ field thea oho
a faabeehine, — ast b ital eg (MoT)
_&. Ligand fied co i mre
@ Valence Bond theery (VET) _
-Tetrahedral a
i Squaseeplonasy ak
: Tetigonad bipysamidad
octohedxal
Octahedxa
Bde dda haat pede 2 dl
inner _oxbitad cpr pada: oxbital
x ComplexSum \ dener Ligand
= oe oxygen dere
si
7 Bits Sel" 6 caste Big ne ee aN
a Diaragastic tows bia (a) é
a wm_y = Jn inia = JoeaD =o RmM —
O (coFey faictihedbal_abi pe sped?
WFL
Go_: [fr] 34°45? ene In
Co: {Ar} 34‘ fe ti) EEE)
feo: (Ax). 34° Ia eT) ba Bey ere}
atic oaledal eS PTT = oh
suk evita comptes) (hish api) ap
eahor spd } oe *)| @—(wien)™ ri
5 ee a ether yo
mio a oe ee
i ee eet
Signa — oudest asbital complex —
eolbg ees pis
Zia
ene)
1 reer
ele ‘Dl
4 = fet) = sis on
;
G|-
E|
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Pte
=
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asCu_[ex) ad’as)
O™ oe EE OO Soo
—Leuwrs),) fae) 20° minim Eel Tete SX
— fester | Gm
Spl
Seer (e_maserial i Ss ee
ere a (pn es ee
dal? dt; Ad ddd" d* at
—_innen_osbital ieee Walser ashital ae
ee ph noe
PTAC
EEE
i
ee SAL lav inbelnat) —
dsp evordt =4) (s9u0%10 pbhager
pest but es
2 eee pariceca kia
ee asa (Cound ne
i
i DD ee ey”
Ey |
Hi
= 2) (Gcfocnal)
Li Highspin _* Sp* (coord no =4) (tetra hidra
P Parramagrotic
ee eee eee|
mare PRRPRPRPRPRRFA