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    L/O/G/O

    CHNG I: KHI NIM C BN

    V HO LP TH

    www.themegallery.com

    Gio vin: ThS N!"#$n Th% Ki& 'n

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    - Cu to ca phn t l trt t sp xp cc nguyn t trong phnt v k!u ln kt g"a cc nguyn t trong phn t# - Cu h$nh ca phn t l cch sp xp trong kh%ng gan ca ccnguyn t hay nh&' nguyn t trong phn t# - Cu (ng )*n ca phn t (o +nh h,ng ca cc nguyn t ho.ccc nh&' nguyn t g/n nhau# 0t 1u+ ca thuyt ln kt c2ng ho tr3 43nh h,5ng trong phn th6p cht h"u c7 l s h$nh thnh 48ng phn lp th! )ao g8' 48ng

    phn h$nh h9c v 48ng phn 1uang h9c# :o h9c lp th! 42ng kh+o st s t,7ng 1uan kh%ng gan g"a ccnguyn t v cc nh&' nguyn t ch3u ph+n ;ng< c=ng +nh h,ngca s sp xp 4& trn cn )>ng ho h9c v vn t?c ph+n ;ng#

    ( PH)M VI NGHI*N C+, C-'HO H.C LP TH

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    / L0CH S1 H2NH TH3NH HO LP TH

    @A' BBD< Eot t$' thy kh+ nAng 1uay '.t phFng nh sngphn cc tnh th! thch anh# @A' BBG< Eot t$' thy s 1uayt,7ng t x+y ra v5 '2t s? cht lHng thn nhnI tnh (/u th%ng v(ung (3ch ca '2t s? cht rn nh, ca'pho#

    J khc )Kt 1uan tr9ng g"a ha (" kKn thc nghK' trn 4L4,6c Eot g+ thMch nh, sauI- 0h+ nAng 1uay '.t phFng nh sng phn cc ca thch anh ln1uan v5 cu trNc 4.c )Kt ca tnh th! Ov$ tMnh cht ny 't hFn khnu ch+y tnh th! thch anhP#- QMnh 1uang hot ca h6p cht h"u c7 ph+ ln 1uan 4n cu trNcca nh*u phn t rng )Kt Ov$ hKn t,6ng ny cRng 1uan st 4,6ckh cht trng th (ung (3ch cRng nh, trng th khMP#

    /( 456 7i8& 69 h;< 6h=> ?"n! ho@>

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    /( 456 7i8& 69 h;< 6h=> ?"n! ho@>

    0h+o st tMnh 1uang hot ca ha axt trMch tS c.n r,6u nho< TastUurxc nhn s t8n t ca ha axt tactrcI '2t axt l' 1uay '.t phFngca nh sng phn cc v* )n ph+ Oaxt OVP tactrcP v '2t axt kh%ng1uang hot Oaxt OWP tactrcP# @go ra< TastUur cXn thnh c%ng trongvKc tch axt kh%ng 1uang hot thnh axt OVP tactrc v axt O-P tactrc#:a axt ny g9 l ha 48ng phn 4? 1uang# QhUo TastUur< tMnh 1uanghot kh%ng ph+ (o tMnh )t 4? x;ng ca tnh th! ' (o tMnh )t 4?x;ng ca cc phn t axt tactrc 1uang hot#

    COOH

    C OHH

    C OHH

    COOH

    COOH

    C OHH

    C HHO

    COOH

    COOH

    C HHO

    C OHH

    COOH

    OVP O-P

    Yxt OWP tactrc Yxt 'Uso-tactrc

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    / L0CH S1 H2NH TH3NH HO LP TH

    @A' BG< 0UkulU ch;ng 'nh r>ng trong cc h6p cht h"u c7ng tMnh )t 4? x;ng phn t 4,6c to ra kh )?n nh&'khc nhau ln kt v5 '2t C kh%ng phFng# ChMnh ^an_t :o`` 4L 4*ngh3 s sp xp t; (Kn ca )?n ho tr3 ca nguyn t C< ngh[a l )?nho tr3 ny h,5ng v* )?n 4bnh ca '2t h$nh t; (Kn v5 nguyn t Cn>' t' ca t; (Kn#

    @guyn t C t; (Kn ln kt v5 )?n nguyn t hay nh&' nguynt khc nhau g9 l nguyn t C )t 4?< kM hKu C# 0t 1u+ l c& has sp xp khc nhau c& th! t8n t nh, vt v +nh trong g,7ng phFng 66on > DiEn:

    ^M (dI

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    / L0CH S1 H2NH TH3NH HO LP TH

    @h"ng nguyn t ln kt v5 nhau )>ng ln kt 4% OCeCng cc vXng c& th! kh%ng phFng 4! 4p ;ng4*u kKn g&c t; (Kn v kh%ng cAng# JaschU ( 4on xclohUxan t8n t(,5 ha (ng gh v thuy*n#

    n nA' BBB< orh g+ thMch ha (ng gh v thuy*n ca xclohUxan)n 4i ljn nhau ( (ng# @A' BG< :uckUl 4L c% lp 4,6c ha (ngtrn#

    / 4n!

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    F CCH BI, IN NG,*N T1C'CBON T+ IN

    C%ng th;c ph? c+nh '% t+ v3 trM cc nguyn t trong phn t4Nng nh, cch sp xp kh%ng gan thc s ca chNng#

    ]n kt g/n 4,6c vq 4' h7n ln kt xa< 4/u ln kt g/nvq to h7n 4/u ln kt xa 't ng, 1uan st< nh"ng ln kt n>'

    trn '.t phFng gy 4,6c vq )>ng nt gch )$nh th,ng< nh"ng lnkt h,5ng v* phMa tr,5c '.t gy 4,6c vq nt 4'< nh"ng ln kth,5ng v* phMa sau '.t gy 4,6c vq )>ng nt gn 4on#

    F( Cn! >h6

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    F CCH BI, IN NG,*N T1C'CBON T+ IN

    @h$n phn t (9c thUo '2t ln kt no 4&< th,ng l ln kt C-C4,6c la ch9n c& 'dc 4Mch r8 chu tt c+ cc nguyn t v nh&'nguyn t ln '.t phFng gy#

    @guyn t C 4/u ln kt g/n 't ta OCBP 4,6c th! hKn )>ng '2t

    h$nh trXn v chU khut nguyn t C 4/u ka ca ln kt OCP# Cc lnkt v5 C chb nh$n thy 4,6c ph/n l& ra tS chu v ca h$nh trXn CB#

    F/ Cn! >h6 6hiA" N&n:

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    F/ Cn! >h6 6hiA" N&n:

    Q,7ng t< nu nh$n phn t Utan (9c thUo trdc ln kt C-C tS trsang ph+ ta sq nhn 4,6c c%ng th;c chu @U'an nh, h$nh nunh$n phn t cs-)ut--Un v trans-)ut--Un (9c thUo ln kt CeC tasq 4,6c cc c%ng th;c chu @U'an t,7ng ;ngI

    :

    :

    :

    :

    :

    :

    #H3C HH#H3C HH CH3:DC

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    F CCH BI, IN NG,*N T1C'CBON T+ IN

    @A' BB< schUr 4L 4* ngh3 (=ng c%ng th;c chu thay th choc%ng th;c t; (Kn#

    FF Cn! >h6 6hiA" Ui6hW:

    a

    ) c

    (

    a

    ) c

    (

    a

    ) c

    (

    a

    )c

    (

    a

    )c

    (

    a

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    (

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    FF Cn! >h6 6hiA" Ui6hW:

    ! vt c%ng th;c chu th$ t; (Kn ph+ 4,6c phn )? nh, th no4& 4! '2t cnh n>' ngang ca t; (Kn ph+ g/n ng, 1uan st#

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    FF Cn! >h6 6hiA" Ui6hW:

    @g, ta cXn 1uy ,5c< 4! 'ch chMnh ca phn t n>' (9c thUo4,ng thFng 4;ng v nh&' nguyn t c& ';c ox h&a cao h7n th$ 4,6cvt phMa trn O-C: w -C:e w -C:p: w -C:DP#

    QhM (d xt tr,ng h6p axt OVP-lactcICvv:

    :v :

    C:D

    Cvv:

    C:D

    :v :

    !' khc nhau c7 )+n g"a c%ng th;c cu to v c%ng th;c

    shUr l c%ng th;c chu schUr cho )t s phn )? kh%ng gan cacc nh&' th n? v5 C trung t'< cXn c%ng th;c cu to th$ kh%ng#

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    FF Cn! >h6 6hiA" Ui6hW:

    C%ng th;c chu chb c& th! 1uay trong '.t phFng gy '2t g&cBmo< kh%ng 4,6c 1uay moho.c 4,a ra khH '.t phFng gy#

    Quy tc chung v dng cng thc chiu:

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    Qrong '2t c%ng th;c chu )t k c& '2t nguyn t C )t 4?' trn 4,ng thFng4;ng< r8 xt ch*u 1uay ca )a nh&' cXn l#

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    'NH PHP CZ, H2NH

    |anh php cs ~ trans trong nh*u tr,ng h6p tH ra kh&khAn trong vKc xt cu h$nh ca '2t s? h6p cht nh, vM (d(,5 4yI

    F nh n 66 7n!

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    F nh n 66 7n!

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    F nh n 66 7n!

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    L/O/G/O

    www themegallery com

    cIN CHdN TH3NH CM NCC 'NH CH0e