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UCLA CHEM 30AL - Guidelines

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RESOURCES FOR THE ASSIGNMENTChemistry 30AL Library assignment (PART 2) Post-lab Guidelines Post-lab must be written inside your lab notebook There is NO pre-lab for the library assignment This is an INDIVIDUAL Post-lab Obtain the following information for your assigned compound: Chemical formula, molecular structure, molecular weight, physical state (i.e. solid, liquid or gas) of the compound at ROOM TEMPERATURE, color of the compound, melting point and/or boiling point, solubility properties, spectra (IR, MS, NMR, UV-vis) and CAS# (Chemical Abstract Service Registry Number). IMPORTANT: NOT all compounds will have the 4 spectra listed above (especially the inorganic ones). All references should be given. Even if spectra CANNOT be obtained for a compound, the books or references searched should still be listed. Your references should include: title, author, editor (if any), edition, publisher, volume (if any) and page numbers If you use the Internet to find the information, you MUST print out all the information and attach them to your post-lab report. All the above information can be looked up either from the Chemistry library (4238 Young) or through the Internet. Refer to the lecture handouts provided by Marion Peters for more details on the various chemical resources that will help you to find all the required information for your compound.Chemistry 30AL Library assignment (PART 2) Post-lab Guidelines Post-lab must be written inside your lab notebook This is an INDIVIDUAL Post-lab RESOURCES FOR THE ASSIGNMENT Here are some of the resources in the chemistry library (4238 Young Hall) that you may use to obtain various spectra for your compound: Infrared Spectra: The Aldrich Library of FT-IR Spectra. Edition II (3 Volumes) Chemistry library call number: QC 457 P87 1997 V1 - 3. Mass Spectra: Stenhagen Registry of Mass Spectra Data (4 Volumes). Chemistry library call number: QC 454 M3 S825 1974. 13C NMR Spectra: Sadtler Standard Carbon-13 NMR Spectra (80 Volumes). Chemistry library call number: QC 462 C1 S126S. UV-Visible Spectra: (i) UV-Vis Atlas of Organic Compounds (2 Volumes). Chemistry library call number: QC 462 85 P47 1992. (ii) UV-Vis Atlas of Organic Compounds (5 Volumes). Chemistry library call number: QC 459 U11. An EXCELLENT web site (refer to the library lecture handouts for additional web sites) for spectra is: http://webbook.nist.gov/chemistry/ Do a search of a specific compound to determine whether there are any spectra available for download Note: Most of the IR spectra in NIST are sampled in gas phase NOT in condensed phase. The intensity of the signals may vary from what are listed on the IR correlation chart given to you during the IR


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UCLA CHEM 30AL - Guidelines

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