1 Page

chapter2

Course: CHEM 2241, Fall 2009
School: Macon State
Rating:
 
 
 
 
 

Document Preview

vti_timelastmodified:TR|26 vti_encoding:SR|utf8-nl Jul 2006 13:22:34 -0000 vti_backlinkinfo:VX|chem2241_2.htm vti_extenderversion:SR|6.0.2.5516

Register Now

Unformatted Document Excerpt

Coursehero >> Georgia >> Macon State >> CHEM 2241

Course Hero has millions of student submitted documents similar to the one
below including study guides, practice problems, reference materials, practice exams, textbook help and tutor support.

Course Hero has millions of student submitted documents similar to the one below including study guides, practice problems, reference materials, practice exams, textbook help and tutor support.
vti_timelastmodified:TR|26 vti_encoding:SR|utf8-nl Jul 2006 13:22:34 -0000 vti_backlinkinfo:VX|chem2241_2.htm vti_...

Find millions of documents on Course Hero - Study Guides, Lecture Notes, Reference Materials, Practice Exams and more. Course Hero has millions of course specific materials providing students with the best way to expand their education.

Below is a small sample set of documents:

Macon State - CHEM - 2241
vti_encoding:SR|utf8-nl vti_timelastmodified:TR|26 Jul 2006 14:01:12 -0000 vti_extenderversion:SR|6.0.2.5516 vti_backlinkinfo:VX|chem2241_2.htm
Macon State - CHEM - 2241
vti_encoding:SR|utf8-nl vti_timelastmodified:TR|26 Jul 2006 14:01:02 -0000 vti_extenderversion:SR|6.0.2.5516 vti_backlinkinfo:VX|chem2241_2.htm
Macon State - CHEM - 2241
vti_encoding:SR|utf8-nl vti_timelastmodified:TR|26 Jul 2006 14:01:24 -0000 vti_extenderversion:SR|6.0.2.5516 vti_backlinkinfo:VX|chem2241_2.htm
Macon State - CHEM - 2241
vti_encoding:SR|utf8-nl vti_timelastmodified:TR|26 Jul 2006 14:01:08 -0000 vti_extenderversion:SR|6.0.2.5516 vti_backlinkinfo:VX|chem2241_2.htm
Macon State - CHEM - 2241
vti_encoding:SR|utf8-nl vti_timelastmodified:TR|26 Jul 2006 14:06:02 -0000 vti_extenderversion:SR|6.0.2.5516 vti_backlinkinfo:VX|chem2241_2.htm
Macon State - CHEM - 2241
vti_encoding:SR|utf8-nl vti_timelastmodified:TR|26 Jul 2006 13:28:04 -0000 vti_extenderversion:SR|6.0.2.5516 vti_backlinkinfo:VX|chem2241_2.htm
Macon State - CHEM - 2241
vti_encoding:SR|utf8-nl vti_timelastmodified:TR|26 Jul 2006 13:30:08 -0000 vti_extenderversion:SR|6.0.2.5516 vti_backlinkinfo:VX|chem2241_2.htm
Macon State - CHEM - 2241
vti_encoding:SR|utf8-nl vti_timelastmodified:TR|26 Jul 2006 14:06:36 -0000 vti_extenderversion:SR|6.0.2.5516 vti_backlinkinfo:VX|chem2241_2.htm
Macon State - CHEM - 2241
vti_encoding:SR|utf8-nl vti_timelastmodified:TR|26 Jul 2006 13:12:14 -0000 vti_extenderversion:SR|6.0.2.5516 vti_backlinkinfo:VX|chem2241_2.htm
Macon State - CHEM - 2241
vti_encoding:SR|utf8-nl vti_timelastmodified:TR|26 Jul 2006 14:02:46 -0000 vti_extenderversion:SR|6.0.2.5516 vti_backlinkinfo:VX|chem2241_2.htm
Macon State - CHEM - 2241
vti_encoding:SR|utf8-nl vti_timelastmodified:TR|26 Jul 2006 14:02:26 -0000 vti_extenderversion:SR|6.0.2.5516 vti_backlinkinfo:VX|chem2241_2.htm
Macon State - CHEM - 2241
vti_encoding:SR|utf8-nl vti_timelastmodified:TR|26 Jul 2006 14:02:58 -0000 vti_extenderversion:SR|6.0.2.5516 vti_backlinkinfo:VX|chem2241_2.htm
Macon State - CHEM - 2241
vti_encoding:SR|utf8-nl vti_timelastmodified:TR|26 Jul 2006 13:02:52 -0000 vti_extenderversion:SR|6.0.2.6551 vti_backlinkinfo:VX|chem2241_2.htm
Macon State - CHEM - 2241
vti_encoding:SR|utf8-nl vti_timelastmodified:TR|26 Jul 2006 13:03:24 -0000 vti_extenderversion:SR|6.0.2.6551 vti_backlinkinfo:VX|chem2241_2.htm
Macon State - CHEM - 2241
vti_encoding:SR|utf8-nl vti_timelastmodified:TR|26 Jul 2006 13:03:16 -0000 vti_extenderversion:SR|6.0.2.6551 vti_backlinkinfo:VX|chem2241_2.htm
Macon State - CHEM - 2241
vti_encoding:SR|utf8-nl vti_timelastmodified:TR|26 Jul 2006 13:03:30 -0000 vti_extenderversion:SR|6.0.2.6551 vti_backlinkinfo:VX|chem2241_2.htm
Macon State - CHEM - 2241
vti_encoding:SR|utf8-nl vti_timelastmodified:TR|26 Jul 2006 13:09:52 -0000 vti_extenderversion:SR|6.0.2.6551 vti_backlinkinfo:VX|chem2241_2.htm
Macon State - CHEM - 2241
vti_encoding:SR|utf8-nl vti_timelastmodified:TR|26 Jul 2006 13:04:44 -0000 vti_extenderversion:SR|6.0.2.6551 vti_backlinkinfo:VX|chem2241_2.htm
Macon State - CHEM - 2241
vti_encoding:SR|utf8-nl vti_timelastmodified:TR|26 Jul 2006 13:04:30 -0000 vti_extenderversion:SR|6.0.2.6551 vti_backlinkinfo:VX|chem2241_2.htm
Macon State - CHEM - 2241
vti_encoding:SR|utf8-nl vti_timelastmodified:TR|26 Jul 2006 13:04:22 -0000 vti_extenderversion:SR|6.0.2.6551 vti_backlinkinfo:VX|chem2241_2.htm
Macon State - CHEM - 2241
vti_encoding:SR|utf8-nl vti_timelastmodified:TR|26 Jul 2006 13:04:54 -0000 vti_extenderversion:SR|6.0.2.6551 vti_backlinkinfo:VX|chem2241_2.htm
Macon State - CHEM - 2241
vti_encoding:SR|utf8-nl vti_timelastmodified:TR|26 Jul 2006 13:04:10 -0000 vti_extenderversion:SR|6.0.2.6551 vti_backlinkinfo:VX|chem2241_2.htm
Macon State - CHEM - 2241
vti_encoding:SR|utf8-nl vti_timelastmodified:TR|26 Jul 2006 13:10:36 -0000 vti_extenderversion:SR|6.0.2.6551 vti_backlinkinfo:VX|chem2241_2.htm
UNL - I - 386
-BEGIN PGP SIGNED MESSAGE-Hash: SHA1SHORT PACKAGE INFOName:openal-0.0.9-0.7.20060204cvs.el4Summary:Open Audio LibraryGroup:System Environment/LibrariesCHANGELOG (recent): * Mon Aug 21 2006 Andreas Bierfert <andreas.bierfert[AT]lowlatency.de
Grinnell - BIO - 150
Bio. 150 - Population Density ExperimentTotal number of gametophytes in dish A 230 734 1040 711 1075 338 1135 441 B 464 540 671 428 310 517 554 266 C 454 446 410 306 327 322 383 315 % Males A 50 55 51 40 53 48 53 60 B 31 52 47 42 46 45 52 42 C 50 49
Grinnell - BIO - 150
Bio. 150 - Population Density ExperimentTotal number of gametophytes in dish A 230 734 1040 711 1075 338 1135 441 B 464 540 671 428 310 517 554 266 C 454 446 410 306 327 322 383 315 % Males A 50 55 51 40 53 48 53 60 B 31 52 47 42 46 45 52 42 C 50 49
UMass (Amherst) - CHEM - 4680
Organometallic Chemistrybetween organic and inorganicPeter H.M. BudzelaarCourse Roadmap A real example: the Monsanto Acetic Acid process Introduction: what is organometallic chemistry, and why should you care? Electron counting: the
UMass (Amherst) - CHEM - 4680
Electron Countingunderstanding structure and reactivityRh = 9 3* P = 6 Cl = 1 + e-count 16 tot. charge 0 3*P Cl -1 - ox state +1 Cr = 2*Bz = 6 12 + e-count 18 tot. charge 0 2*Bz - ox state 0Peter H.M. BudzelaarWhy count electrons ?
UMass (Amherst) - CHEM - 4680
Organometallic Chemistryan overview of structures and reactionsPeter H.M. BudzelaarBetween organic and inorganic.Organic chemistry: more or less covalent C-X bonds rigid element environments fixed oxidation states (better: valencies) ?Organo
UMass (Amherst) - CHEM - 4680
Organometallic Chemistryan overview of structures and reactionsPeter H.M. BudzelaarBetween organic and inorganic.Organic chemistry: more or less covalent C-X bonds rigid element environments fixed oxidation states (better: valencies) ?Organo
UMass (Amherst) - CHEM - 4680
OrganoLithium CompoundsPeter H.M. BudzelaarOrgano-lithium compounds Ionic character, electron-deficient oligomeric or polymeric structures Strongly basic and nucleophilic applications in organic synthesis Reducing unwanted side reactions
UMass (Amherst) - CHEM - 4680
OrganoMagnesium CompoundsPeter H.M. BudzelaarOrgano-Mg and Be compoundsLike Organolithium compounds, but milder: Ionic character, electron-deficient oligomeric or polymeric structures Basic and nucleophilic Mg: applications in organic synth
UMass (Amherst) - CHEM - 4680
OrganoSilicon CompoundsPeter H.M. BudzelaarOrganosilicon compoundsSilicon is just like carbon, but: Larger five- and six-coordinate structures positive More electropositive easier attack by nucleophiles Does not want to form multiple bond
UMass (Amherst) - CHEM - 4680
III-V Cluster CompoundsPeter H.M. BudzelaarSemiconductorsThe most common semiconductor is silicon, which forms a diamond lattice.2III-V ClustersSemiconductorsSemiconductors based in III-V combinations (Al/Ga/In with N/P/As) are becoming m
UMass (Amherst) - CHEM - 4680
Characterization of Organometallic CompoundsPeter H.M. BudzelaarCharacterization of organometallicsMain characterization methods: Xray diffraction (static) structure bonding NMR structure en dynamic behaviour EA assessment of purity (cal
UMass (Amherst) - CHEM - 4680
Ligand SubstitutionReactivity of Coordinated LigandsCl Cl Pd 2Cl Cl C2H4 Cl Cl Pd H2O Cl Cl H2O Pd Cl OH Cl OH OHPd(0) +H + H2O + 2 Cl+- 2 e (CuCl2 CuCl) H ClCl H2O PdCl H2O Pd CH3CHO- ClCl H2O PdClCl H2O Pd O "-H elim" H Cl H2O Pd OH in
UMass (Amherst) - CHEM - 4680
Ligand SubstitutionReactivity of Coordinated LigandsCl Cl Pd 2Cl Cl C2H4 Cl Cl Pd H2O Cl Cl H2O Pd Cl OH Cl OHPd(0) + H+ + H2O + 2 Cl- 2 e (CuCl2 CuCl) H Cl Cl H2O PdCl H2O Pd CH3CHO- ClCl H2O Pd OHClCl H2O Pd O "-H elim" H Cl H2O Pd OH ins
UMass (Amherst) - CHEM - 4680
Carbenes and Olefin MetathesisM C + C C M C C C M C + C CPeter H.M. BudzelaarMetal-carbon multiple bonds Many transition metals form not only M-C single bonds but also M=C and (more rare) even MC bonds. Complexes containing an M=C bond are cal
UMass (Amherst) - CHEM - 4680
CHEM4680 - Organometallic ChemistryMid-term test: electron counting, main group metals and NMRGeneral remarks: Don't forget the back of the first page. You get marks for your arguments, not for the answers themselves. A correct answer without th
UMass (Amherst) - CHEM - 4680
CHEM4680 - Organometallic ChemistryMid-term test: electron counting, main group metals and NMRRough answers(your real answers should be a bit more detailed here and there)1. Counting.a. FeO4 Assuming four Fe=O bonds: Fe(8+), 16-e. The count co
UMass (Amherst) - CHEM - 4680
CHEM4680 - Organometallic ChemistryFinal examGeneral remarks: Don't forget the back of the first page. You get marks for your arguments, not for the answers themselves. A correct answer without the relevant argument doesn't get you any marks. A
UMass (Amherst) - CHEM - 4680
CHEM4680 - Organometallic ChemistryRough answers1. Counting.Ph2 P OH2 Fe Pd P Ph2 OH2 2+You have to decide where the "2+" charge belongs. First (arbitrarily) assign one "+" charge to each metal atom. This will give FeIII, 17-e and PdI, 17-e. Th
UMass (Amherst) - CHEM - 4680
CHEM4680 - Organometallic ChemistryMid-term test: electron counting, main group metals and NMRGeneral remarks: You get marks for your arguments, not for the answers themselves. A correct answer without the relevant argument doesn't get you any ma
UMass (Amherst) - CHEM - 4680
CHEM4680 - Organometallic ChemistryMid-term test: electron counting, main group metals and NMR Rough answers1. Counting (48 marks).Fe = C4H4 =Fe OC OC CO8 4 6 18Fe(0) if you count C4H4 as neutral (cyclobutadiene). But assuming C4H42- or C4H4
UMass (Amherst) - CHEM - 4680
CHEM4680 - Organometallic ChemistryFinal exam, April 22, 2008General remarks: Don't forget the back of the first page. You get marks for your arguments, not for the answers themselves. A correct answer without the relevant arguments doesn't get
UMass (Amherst) - CHEM - 4680
CHEM4680: Organometallic Chemistry Mid-term examination, February 26, 2009. Duration: 75 minutes. Give motivated answers to the questions below. Your arguments count for more than the answers themselves. Question 1 counts for 6 marks (1 for each of a
UMass (Amherst) - CHEM - 4680
CHEM4680: Organometallic Chemistry Mid-term examination, February 26, 20091a) Mo 6 Cp*5 Me1 2*O= 4 -total 16 c) Various ways of counting depending on where you put the positive charge and how you draw the bonds (dative vs covalent) to the bridging
Case Western - EMSE - 201
EMSE 201 - Introduction to Materials Science & Engineering Name:8 November 2006SOLUTIONTest #2 - 75 minutes; 150 points; 6 questions; 6 pages; 15% of course gradePartial credit will be given for correct set-ups and reasoning. Give units on num
Case Western - EMSE - 426
EMSE 426, SPRING 20091.HOMEWORK : # 6DUE:03/02NAME:a) Briefly explain each term in the Nabarro-Herring and Coble creep equations. b) What is exactly the meaning of these two types of creep? Clearly explain the differences between the two t
UMass (Amherst) - CHEM - 4680
Assignments for Organometallic Chemistry (1) (CHEM4680)(1) Electron counting Give electron count and formal oxidation for the central metal atom in the following complexes, and try to draw conclusions about the stability of the complex. If you think
UMass (Amherst) - CHEM - 4680
Assignments for Organometallic Chemistry (1) (CHEM4680)(1) Electron counting Give electron count and formal oxidation for the central metal atom in the following complexes, and try to draw conclusions about the stability of the complex. If you thin
UMass (Amherst) - CHEM - 4680
Assignments for Organometallic Chemistry (2) (CHEM4680)(4) Hydrogenation catalysisThe Wilkinson catalyst Rh(PPh3)3Cl catalyzes olefin hydrogenation. Crabtree mentions a mechanism for this reaction:H H Cl Rh L L H2 A Cl Rh L L H Cl Rh L HLLL
UMass (Amherst) - CHEM - 4680
Assignments for Organometallic Chemistry (2) (CHEM4680)(4) Hydrogenation catalysisThe Wilkinson catalyst Rh(PPh3)3Cl catalyzes olefin hydrogenation. Crabtree mentions a mechanism for this reaction:H Cl Rh L H2 L A Cl L Rh L L H L B C H Cl Rh L L
UMass (Amherst) - CHEM - 4680
Assignments for Organometallic Chemistry (3) (CHEM4680)(6) C-H activationTriphenylphosphine 3 reacts with Co complex 4 to the new complex 5.Ph2PCo(PMe3)n P 3 3a) b) c) d) e) f)+MeCo(PMe3)4 4 5What is the value of n? What other products a
UMass (Amherst) - CHEM - 4680
Assignments for Organometallic Chemistry (3) (CHEM4680)(6) C-H activationTriphenylphosphine 3 reacts with Co complex 4 to the new complex 5.Ph2P Co(PMe3)n P 3 3a) b) c) d) e) f)+MeCo(PMe3)4 4 5What is the value of n? What other products a
UMass (Amherst) - CHEM - 4680
Assignments for Organometallic Chemistry (4) (CHEM4680)(8) Carbenes (a)Pha)How would you make (CO)5WOEtfrom W(CO)6?H H Ph3P Me MeThis carbene is found to react with the phosphorus ylid Ph3P One of the reaction products is (CO)5W(PPh3). b)
UMass (Amherst) - CHEM - 4680
Assignments for Organometallic Chemistry (4) (CHEM4680)(8) Carbenes (a)Pha)How would you make (CO)5WOEtfrom W(CO)6?H H Ph3P Me MeThis carbene is found to react with the phosphorus ylid Ph3P One of the reaction products is (CO)5W(PPh3). b
UMass (Amherst) - CHEM - 4680
Electron Count Oxidation State Coordination Number Basic tools for understanding structure and reactivity. Doing them should be "automatic". Not always unambiguous don't just follow the rules, understand them!05/19/09 Counting Electrons 1The b
UMass (Amherst) - CHEM - 4680
Hot Topics en Hypesin organometallic chemistry05/19/09Hot Topics and Hypes1Hot TopicsIdeal conversions with (nearly) incompatible requirements: C-H activation and other "all-in-one" conversionsSelective oxidations Anti-Markovnikov
UMass (Amherst) - CHEM - 4680
Insertion and eliminationolefin polymerization1,1-insertion of CO, isonitriles, SO2, .O C M R R M O M O R L O M L RMigratory insertion!05/19/09 Insertion and Elimination 1Insertion van CO en isonitrilesCO insertion is hardly exothermic. An a
UMass (Amherst) - CHEM - 4680
Main group metalsGroups 1,2 Groups 12-1605/19/09Introduction Main Group Metals1Main group metal compounds Structures bonds and 3c-2e (or even 4c-2e) bonds Synthesis the first M-C bond Reactivity auxiliaries in organic synthesis sou