INFRARED STUDY OF RHODIUM CLUSTERS ENTRAPPED WITHIN ZEOLITES

被引：79

作者：

GELIN, P

TAARIT, YB

NACCACHE, C

机构：

[1] Institut de Recherches sur la Catalyse, CNRS, 69626 Villeurbanne Cédex, 79 Bd. du

来源：

JOURNAL OF CATALYSIS | 1979年 / 59卷 / 03期

关键词：

D O I：

10.1016/S0021-9517(79)80004-4

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A study of Rh6(CO)16 supported on zeolite has shown that the carbonyl cluster may be decarbonylated by O2 or in vacuo at 373 K without substantial loss of its molecular structure. On alumina Rh6(CO)16 was easily fragmented, zero-valent rhodium being oxidized by O2 and water to form Rh(I) which upon carbonylation gave Rh(I)(CO)2 complexes. The infrared spectra of zeolite-supported Rh6(CO)16 were compared with those of CO adsorbed on zeolitesupported small rhodium metal particles. The results suggest that zeolite is a suitable carrier to stabilize very small rhodium clusters. © 1979 Academic Press, Inc. All rights reserved.

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页码：357 / 364

页数：8

相关论文

共 20 条

[1] PREPARATION OF SOME SUPPORTED METALLIC CATALYSTS FROM METALLIC CLUSTER CARBONYLS [J].

ANDERSON, JR ;

ELMES, PS ;

HOWE, RF ;

MAINWARING, DE .

JOURNAL OF CATALYSIS, 1977, 50 (03) :508-518

[2] FIXATION AND EVOLUTION OF ORGANOMETALLIC RHODIUM COMPLEXES SUPPORTED ON MODIFIED POLYPHENYLSILOXANE AND SILICA [J].

BARTHOLIN, M ;

GRAILLAT, C ;

GUYOT, A ;

COUDURIER, G ;

BANDIERA, J ;

NACCACHE, C .

JOURNAL OF MOLECULAR CATALYSIS, 1977, 3 (1-3) :17-32

[3] IR-ABSORPTIONSMESSUNGEN AN EINIGEN CARBONYLEN DER EDELMETALLE [J].

BECK, W ;

LOTTES, K .

CHEMISCHE BERICHTE-RECUEIL, 1961, 94 (09) :2578-2582

[4] RESIN-BOUND TRANSITION-METAL COMPLEXES [J].

COLLMAN, JP ;

COOKE, MP ;

DOLCETTI, G ;

HEGEDUS, LS ;

MARQUARD.DN ;

NORTON, JR .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1972, 94 (05) :1789-&

[5] POLYNUCLEAR METAL-CARBONYL COMPOUNDS AND CHEMISORPTION OF CO ON TRANSITION-METAL SURFACES [J].

CONRAD, H ;

ERTL, G ;

KNOZINGER, H ;

KUPPERS, J ;

LATTA, EE .

CHEMICAL PHYSICS LETTERS, 1976, 42 (01) :115-118

[6] RH6(CO)16 AND ITS IDENTITY WITH PREVIOUSLY REPORTED RH4(CO)11 [J].

COREY, ER ;

BECK, W ;

DAHL, LF .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1963, 85 (08) :1202-&

[7]

GALLEZOT P, 1977, MOL SIEVES 2, V40, P144

[8] SYNTHESIS USING TRANSITION-METAL DIATOMIC-MOLECULES - DIRHODIUM OCTACARBONYL, RH2(CO)8, AND DIIRIDIUM OCTACARBONYL, IR2(CO)8 [J].

HANLAN, LA ;

OZIN, GA .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1974, 96 (20) :6324-6329

[9] IR STUDY OF A SUPPORTED IRIDIUM CLUSTER CARBONYL COMPLEX [J].

HOWE, RF .

JOURNAL OF CATALYSIS, 1977, 50 (01) :196-199

[10]

KAUFHERR N, 1978, CR ACAD SCI C CHIM, V286, P131