✦ LIBER ✦

High-pressure reactions in polyethylene films, a new development in matrix isolation. The photochemical reaction of Fe (CO)5 with N2 and the thermal reaction of Fe (CO)4 (N2) with H2

✍ Scribed by Andrew I. Cooper; Martyn Poliakoff

Publisher: Elsevier Science
Year: 1993
Tongue: English
Weight: 537 KB
Volume: 212
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(93)85493-8

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✦ Synopsis

A new miniature high-pressure cell has been developed for the spectroscopic study of reactions between organometallic compounds impregnated into polymer films and gases such as N, or H, at any temperature between ambient and 20 K. The use of the cell is illustrated by the photochemical reactions of Fe(CO)5 in polyethylene film (PE) with N2 and H2 at 190 K to form Fe(CO).,( N2) and Fe(CO)4H2 respectively. IR spectra suggest that the NI group may occupy an equatorial rather than an axial position. Once formed, Fe( CO),(N,) is shown to react thermally with HZ at ~210 K to yield the dihydride compound, Fe(C0)4Hp

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