STEREOCHEMICAL NONRIGIDITY IN (MU(2)-H)(H)OS3(CO)(11) - EVIDENCE FOR THE OCCURRENCE OF A RACEMIZATION PROCESS AT LOW-TEMPERATURE

被引:11
作者
AIME, S [1 ]
DASTRU, W [1 ]
GOBETTO, R [1 ]
ARCE, AJ [1 ]
机构
[1] INST VENEZOLANO INVEST CIENT,CTR QUIM,CARACAS 1020A,VENEZUELA
关键词
D O I
10.1021/om00021a055
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
A C-13-2D EXSY experiment on a C-13-enriched sample of H2OS3(CO)(11) at 220 K and at the observation frequency of 100.25 MHz indicates that this compound is involved in an intramolecular exchange between two enantiomeric structures prior to undergoing the axial/equatorial hydride motion typical of this type of adduct.
引用
收藏
页码:3737 / 3739
页数:3
相关论文
共 21 条
[1]   LIGAND DYNAMICS IN H2OS3(CO)10 AND H2OS3(CO)10L [J].
AIME, S ;
OSELLA, D ;
MILONE, L ;
ROSENBERG, E .
JOURNAL OF ORGANOMETALLIC CHEMISTRY, 1981, 213 (01) :207-213
[2]   SOLUTION STRUCTURES AND DYNAMICS OF [HOS3(CO)10(SIGMA, PI-VINYL)] COMPLEXES [J].
AIME, S ;
GOBETTO, R ;
OSELLA, D ;
MILONE, L ;
ROSENBERG, E ;
ANSLYN, EV .
INORGANICA CHIMICA ACTA, 1986, 111 (02) :95-98
[3]   NONRIGIDITY IN OS3(CO)12-1-4[P(OME)3]1-4 [J].
ALEX, RF ;
POMEROY, RK .
ORGANOMETALLICS, 1987, 6 (11) :2437-2446
[4]   STRUCTURAL STUDIES ON POLYNUCLEAR OSMIUM CARBONYL HYDRIDES .3. CRYSTAL-STRUCTURE AND MOLECULAR-GEOMETRY OF H2OS3(CO)10(PPH3), INCLUDING DIRECT LOCATION OF BOTH TERMINAL AND MU2-BRIDGING HYDRIDE LIGANDS [J].
CHURCHILL, MR ;
DEBOER, BG .
INORGANIC CHEMISTRY, 1977, 16 (09) :2397-2403
[5]   STRUCTURAL STUDIES ON POLYNUCLEAR OSMIUM CARBONYL HYDRIDES .1. CRYSTAL-STRUCTURES OF ISOMORPHOUS SPECIES H2OS3(CO)11 AND OS3(CO)12 - DIRECT INFORMATION ON ROLE OF AN EQUATORIAL MU-2-BRIDGING HYDRIDE LIGAND IN PERTURBING ARRANGEMENT OF CARBONYL LIGANDS IN A TRIANGULAR CLUSTER [J].
CHURCHILL, MR ;
DEBOER, BG .
INORGANIC CHEMISTRY, 1977, 16 (04) :878-884
[6]   ADDITION-REACTIONS OF A POLYNUCLEAR OSMIUM HYDRIDO COMPOUND LEADING TO ASSOCIATIVE CARBONYL SUBSTITUTION AND CATALYTIC ALKENE ISOMERIZATION [J].
DEEMING, AJ ;
HASSO, S .
JOURNAL OF ORGANOMETALLIC CHEMISTRY, 1976, 114 (03) :313-324
[7]   ISOLATION OF INTERMEDIATES IN METAL-CARBONYL SUBSTITUTION - ADDUCTS OF H2OS3(CO)10 [J].
DEEMING, AJ ;
HASSO, S .
JOURNAL OF ORGANOMETALLIC CHEMISTRY, 1975, 88 (02) :C21-C23
[9]   ISOMERIZATION AND FLUXIONAL BEHAVIOR OF THE TETRAHEDRO-TRIOSMIUM PLATINUM CLUSTERS OS3PT(MU-H)2(CO)9(PT-PCY3)(OS-PR3) - X-RAY CRYSTAL-STRUCTURE OF OS3PT(MU-H)2(CO)9(PT-PCY3)(OS-PPH3) [J].
FARRUGIA, LJ ;
RAE, SE .
ORGANOMETALLICS, 1991, 10 (11) :3919-3927