çҧš (Intermolecular forces)



㹷ҧա֡ͧçҧšջª㹡÷ӹ¨شʹШشǢͧûСͺԹ ѴçзҧšҧٿѧѹͧûСͺͧ çǹ(Van der Waals forces) оѹਹ (Hydrogen bonding) çҧšդç¡Ҿѹš ѹ͹ԡ оѹŹ

çǹ (Van der Waals forces) Ѵçҧšդç¡Ҿѹਹ(Hydrogen bonding) ç͹͹ (London dispersion forces) ç֧ٴҧ(Dipole-dipole forces)ç֧ٴ͹Ѻ(Ion-dipole forces)

-ç͹͹ (London
dispersion force) çդç·ش㹪Դͧçǹ ֧ͧþѧҹ㹡¾ѹçҧšŹҡ šŷִѺѹçԴըشʹ Шش ǵҡ

»šŷբǨлоĵԵҧ㹺ҧ͹͹ҹ㴴ҹ˹觢ͧеšŷԴҾǪǤ µ˹觷硵͹͹ѹԴҾ繻Шź (d-) е˹觷ҾШط繺ǡ (d+)


ŷҾöǹӷšлҾ·˹觷硵͹˹ջШ仼ѡ硵͹ͧաšҹçԴաšТǪǤաš šŷͧջغǡź¡ Polarizability Դç֧ٴҧШغǡź ç֧ٴԴ鹴ѧѡɳй¡ ç͹͹ (London dispersion force)








çԴ鹹Դҡ÷͹͹ҹ㴴ҹ˹觢ͧšŷԴҾǪǤ öԴẺè֧դç֧ҡ


еբҴ˭鹨öԴ
(Polarizability) ͧҡ硵͹͹˹㴵˹˹觴ѧٻ 㹡óšŢҴ˭դᵡҧҧҡҨ֧Դç֧ٴҧǷҡ蹡ѹ ѧҧ Cl2 Br2 Br2 բҴ˭Ҩ֧ç֧ٴҧšҡҷشʹШشҡ
Cl2


-Ǣͧš : վҡз颹ҴͧШբҴ˭ ººʶҹТͧ Neopentane n-Pentaneҷسͧ
Neopentane ѵ繡ҫ n-Pentane繢ͧ ʴ n-Pentane çšҡ Neopentanen-Pentaneվ鹷ҡҷШطԴբҴ˭ çҧѹШ֧ҡ仴




-ç֧ٴҧ (Dipole -dipole forces) ѴçԴҡǶô֧ٴѹͧҧǺǡТź觴֧ٴͧẺѧҧͧЫ⵹






͹ººҧç֧ٴҧ(Dipole -dipole forces) Ѻ ç͹͹ (London
dispersion forces)

·šբҴѹ ç֧ٴҧդçҡҴѧҧͧ Ы⵹ ըشʹҡѺ 56
oC Ѻ ButaneըشʹѺ -0.6 oC (ԨóҨҡûСͺըشʹ٧ҵͧçҧšҡ)


- ç֧ٴҧ͹Ѻ(Ion-dipole
forces)
çԴҡ͹ѺûСͺբǨѴçդçҡçҧ(Dipole-dipole forces)蹡¢ͧ NaCl Na+ջШ繺ǡԴç֧Ѻͧ Cl- Դç֧ٴѺ H ͧ蹡ѹ ѧҧ




-ѹਹ(Hydrogen bonding) Ѵ繾ѹзçҡش㹾ѹҧšԴҧеͧ H еդ EN ٧ F, O, N




ѹਹ(Hydrogen bonding) պҷӤѭѺǹ÷ӤѭͧժԵ 繡èѺѹҧšŢͧõչ СèѺҤѺͧ DNARNA












Create Date : 13 áҤ 2554
Last Update : 13 áҤ 2554 23:08:15 .
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Organic_D
Location :
Hsinchu  Taiwan

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Basic Chemistry,Organic Chemistry