The generation and electron spin resonance characterization of ^63,65Cu¹²CH₂ and ^63,65Cu¹³CH₂ in neon matrices

Authors

Lon B. Knight, Furman UniversityFollow
Scott T. Cobranchi
Jeffrey T. Petty, Furman UniversityFollow
Daryl P. Cobranchi

ACS Citation

Knight, L. B.; Cobranchi, S. T.; Petty, J. T.; Cobranchi, D. P. The generation and electron spin resonance characterization of ^63,65Cu¹²CH₂ and ^63,65Cu¹³CH₂ in neon matrices. J. Chem. Phys. 1989, 91, 4587-4587.

Version of Record

10.1063/1.456148

Abstract

The first ESR(electron spin resonance) results are reported for a metal-methylene radical. The CuCH2 molecule was generated by trapping the products of the pulsed laservaporization of copper in the presence of cyclopropane in neon matrices at 4 K. A second generation procedure involved the laser vaporization of elemental carbon and copper in the presence of H2(g). The unpaired electron in CuCH2 was found to occupy primarily the carbonp orbital which was perpendicular to the C 2v molecular plane. This electronic distribution confirms the 2 B 1ground state assignment predicted by previous theoretial calculations. The neon matrix magnetic parameters (MHz) were: g -Š¥=2.000(3); g -ˆ¥=2.0027(3); 6 3Cu:A -ˆ¥=303(1); A -Š¥=306(1); H:-€-A -ˆ¥-€-=66.6(3); -€-A -Š¥-€- =43.1(3) and 1 3C:-€-A iso-€-=124.3(5).

Source Name

Journal of Chemical Physics

Publication Date

1-1-1989

Volume

91

Issue

8

Page(s)

4946-4946

Document Type

Citation

Citation Type

Article