Carbon-13 isotopic exchange in pentacarbonyliron
Previous nonclusive experimental results to answer the question of intra- vs intermolecular exchange in Fe(CO)/sub 5/ are surveyed. Results of experiments using 92 percent enriched Fe(/sup 13/CO)/sub 5/ and Fe(/sup 12/CO)/sub 5/ with only natural abundance of /sup 13/C are described. The spectral da...
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| Veröffentlicht in: | Inorg. Chem.; (United States) 1976-05, Vol.15 (5), p.1245-1246 |
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| container_end_page | 1246 |
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| container_title | Inorg. Chem.; (United States) |
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| creator | Mahnke, Harald Sheline, Raymond K |
| description | Previous nonclusive experimental results to answer the question of intra- vs intermolecular exchange in Fe(CO)/sub 5/ are surveyed. Results of experiments using 92 percent enriched Fe(/sup 13/CO)/sub 5/ and Fe(/sup 12/CO)/sub 5/ with only natural abundance of /sup 13/C are described. The spectral data indicated that the intermolecular exchange is very slow without a catalyst to definitely prove that the CO ligand exchange between axial and equatorial positions follows an intra- rather than an intermolecular path. The high contribution of spin-rotation interaction to the relaxation mechanism is also cited as evidence of an intramolecular exchange path. (BLM) |
| doi_str_mv | 10.1021/ic50159a062 |
| format | Article |
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Results of experiments using 92 percent enriched Fe(/sup 13/CO)/sub 5/ and Fe(/sup 12/CO)/sub 5/ with only natural abundance of /sup 13/C are described. The spectral data indicated that the intermolecular exchange is very slow without a catalyst to definitely prove that the CO ligand exchange between axial and equatorial positions follows an intra- rather than an intermolecular path. The high contribution of spin-rotation interaction to the relaxation mechanism is also cited as evidence of an intramolecular exchange path. 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Chem.; (United States)</title><addtitle>Inorg. Chem</addtitle><description>Previous nonclusive experimental results to answer the question of intra- vs intermolecular exchange in Fe(CO)/sub 5/ are surveyed. Results of experiments using 92 percent enriched Fe(/sup 13/CO)/sub 5/ and Fe(/sup 12/CO)/sub 5/ with only natural abundance of /sup 13/C are described. The spectral data indicated that the intermolecular exchange is very slow without a catalyst to definitely prove that the CO ligand exchange between axial and equatorial positions follows an intra- rather than an intermolecular path. The high contribution of spin-rotation interaction to the relaxation mechanism is also cited as evidence of an intramolecular exchange path. (BLM)</description><subject>400200 - Inorganic, Organic, & Physical Chemistry</subject><subject>400202 - Isotope Effects, Isotope Exchange, & Isotope Separation</subject><subject>CARBON 13</subject><subject>CARBON ISOTOPES</subject><subject>CARBONYLS</subject><subject>ENERGY LEVELS</subject><subject>EVEN-EVEN NUCLEI</subject><subject>EVEN-ODD NUCLEI</subject><subject>EXCITED STATES</subject><subject>INFRARED SPECTRA</subject><subject>INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY</subject><subject>IRON COMPOUNDS</subject><subject>ISOTOPE EFFECTS</subject><subject>ISOTOPES</subject><subject>LIGHT NUCLEI</subject><subject>NUCLEI</subject><subject>OXYGEN 18</subject><subject>OXYGEN ISOTOPES</subject><subject>SPECTRA</subject><subject>SPECTRAL SHIFT</subject><subject>STABLE ISOTOPES</subject><subject>TRANSITION ELEMENT COMPOUNDS</subject><subject>VIBRATIONAL STATES</subject><issn>0020-1669</issn><issn>1520-510X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1976</creationdate><recordtype>article</recordtype><recordid>eNpt0M1KAzEUBeAgCtbqyhcY3LiQ0XuTSaZZSq0_ULBqhe5CJs3Y1JqUZIT27Z06Ii5c3bv4OHAOIacIlwgUr5zhgFxqEHSP9JBTyDnCbJ_0ANofhZCH5CilJQBIVogegaGOVfA5ssyl0IS1M5ndmIX2bzZzPltb32jzbbYrF4M_Jge1XiV78nP75PV2NB3e5-PHu4fh9TjXtOBNTqGWVYVWcBQDUaMsma0FlZJTjpVhUjBglFojAOflQFuDc6nnjFdQFC1nfXLW5YbUOJWMa6xZmOC9NY0qWcE526GLDpkYUoq2VuvoPnTcKgS1W0T9WaTVeaddauzml-r4rkTJSq6mkxf19MzGOLiZqUnrzzuvTVLL8Bl9W_jf5C-QZ2ze</recordid><startdate>19760501</startdate><enddate>19760501</enddate><creator>Mahnke, Harald</creator><creator>Sheline, Raymond K</creator><general>American Chemical Society</general><scope>BSCLL</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>OTOTI</scope></search><sort><creationdate>19760501</creationdate><title>Carbon-13 isotopic exchange in pentacarbonyliron</title><author>Mahnke, Harald ; Sheline, Raymond K</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a245t-20f9bb1e651686f1973ef62995251bc39630322ec601d78aec1d9ad35b044f193</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1976</creationdate><topic>400200 - Inorganic, Organic, & Physical Chemistry</topic><topic>400202 - Isotope Effects, Isotope Exchange, & Isotope Separation</topic><topic>CARBON 13</topic><topic>CARBON ISOTOPES</topic><topic>CARBONYLS</topic><topic>ENERGY LEVELS</topic><topic>EVEN-EVEN NUCLEI</topic><topic>EVEN-ODD NUCLEI</topic><topic>EXCITED STATES</topic><topic>INFRARED SPECTRA</topic><topic>INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY</topic><topic>IRON COMPOUNDS</topic><topic>ISOTOPE EFFECTS</topic><topic>ISOTOPES</topic><topic>LIGHT NUCLEI</topic><topic>NUCLEI</topic><topic>OXYGEN 18</topic><topic>OXYGEN ISOTOPES</topic><topic>SPECTRA</topic><topic>SPECTRAL SHIFT</topic><topic>STABLE ISOTOPES</topic><topic>TRANSITION ELEMENT COMPOUNDS</topic><topic>VIBRATIONAL STATES</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Mahnke, Harald</creatorcontrib><creatorcontrib>Sheline, Raymond K</creatorcontrib><creatorcontrib>Florida State Univ., Tallahassee</creatorcontrib><collection>Istex</collection><collection>CrossRef</collection><collection>OSTI.GOV</collection><jtitle>Inorg. Chem.; (United States)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Mahnke, Harald</au><au>Sheline, Raymond K</au><aucorp>Florida State Univ., Tallahassee</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Carbon-13 isotopic exchange in pentacarbonyliron</atitle><jtitle>Inorg. Chem.; (United States)</jtitle><addtitle>Inorg. Chem</addtitle><date>1976-05-01</date><risdate>1976</risdate><volume>15</volume><issue>5</issue><spage>1245</spage><epage>1246</epage><pages>1245-1246</pages><issn>0020-1669</issn><eissn>1520-510X</eissn><abstract>Previous nonclusive experimental results to answer the question of intra- vs intermolecular exchange in Fe(CO)/sub 5/ are surveyed. Results of experiments using 92 percent enriched Fe(/sup 13/CO)/sub 5/ and Fe(/sup 12/CO)/sub 5/ with only natural abundance of /sup 13/C are described. The spectral data indicated that the intermolecular exchange is very slow without a catalyst to definitely prove that the CO ligand exchange between axial and equatorial positions follows an intra- rather than an intermolecular path. The high contribution of spin-rotation interaction to the relaxation mechanism is also cited as evidence of an intramolecular exchange path. (BLM)</abstract><cop>United States</cop><pub>American Chemical Society</pub><doi>10.1021/ic50159a062</doi><tpages>2</tpages></addata></record> |
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| identifier | ISSN: 0020-1669 |
| ispartof | Inorg. Chem.; (United States), 1976-05, Vol.15 (5), p.1245-1246 |
| issn | 0020-1669 1520-510X |
| language | eng |
| recordid | cdi_crossref_primary_10_1021_ic50159a062 |
| source | American Chemical Society Journals |
| subjects | 400200 - Inorganic, Organic, & Physical Chemistry 400202 - Isotope Effects, Isotope Exchange, & Isotope Separation CARBON 13 CARBON ISOTOPES CARBONYLS ENERGY LEVELS EVEN-EVEN NUCLEI EVEN-ODD NUCLEI EXCITED STATES INFRARED SPECTRA INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY IRON COMPOUNDS ISOTOPE EFFECTS ISOTOPES LIGHT NUCLEI NUCLEI OXYGEN 18 OXYGEN ISOTOPES SPECTRA SPECTRAL SHIFT STABLE ISOTOPES TRANSITION ELEMENT COMPOUNDS VIBRATIONAL STATES |
| title | Carbon-13 isotopic exchange in pentacarbonyliron |
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