Staggered to eclipsed conformational rearrangement of [Co2(CO)6(PPh3)2] in the solid state:: An X-ray diffraction study at high pressure and low temperature

被引：32
作者：
Casati, N
Macchi, P
Sironi, A
机构：
[1] Univ Milan, Dipartimento Chim Strutturale & Stereochim Inorga, I-20133 Milan, Italy
[2] CNR, ISTM, Dipartimento Chim Strutturale & Stereochim Inorga, I-20133 Milan, Italy
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2005年 / 44卷 / 47期
关键词：
carbonyl ligands; high-pressure chemistry; phase transitions; X-ray diffraction;
D O I：
10.1002/anie.200502241
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
(Figure Presented) Under pressure: characterization of the high-pressure phase of crystalline [Co2(CO)6(PPh3) 2] has provided the first structural evidence for the transformation from a staggered to eclipsed arrangement of the equatorial carbonyl ligands in a dimeric transition-metal complex (see picture). A comparison with the same phenomenon observed at low temperature (though arrested in the very early stages) is presented. © 2005 Wiley-VCH Verlag GmbH & Co. KGaA.
引用
收藏
页码：7736 / 7739
页数：4
相关论文
共 9 条
[1]   VIBRATIONAL SPECTROSCOPY AT HIGH-PRESSURES .54. DECACARBONYLDIMANGANESE AND DECACARBONYLDIRHENIUM [J].
ADAMS, DM ;
HATTON, PD ;
SHAW, AC .
JOURNAL OF PHYSICS-CONDENSED MATTER, 1991, 3 (32) :6145-6158
[2]   [2,2,2-crypt-K](2)[Cr-2(CO)(10)]: the first dinuclear metal decacarbonyl dianion structure with an eclipsed geometry [J].
Borrmann, H ;
Pirani, AM ;
Schrobilgen, GJ .
ACTA CRYSTALLOGRAPHICA SECTION C-CRYSTAL STRUCTURE COMMUNICATIONS, 1997, 53 :1007-1010
[3]   [2,2,2-crypt-Na](2)[Cr-2(CO)(10)]: A chromium(-1) carbonyl structure with a very weakly coordinating cation [J].
Borrmann, H ;
Pirani, AM ;
Schrobilgen, GJ .
ACTA CRYSTALLOGRAPHICA SECTION C-CRYSTAL STRUCTURE COMMUNICATIONS, 1997, 53 :19-22
[4]  
DANCE I, 1995, CRYSTAL SUPRAMOLECUL
[5]   Use of a CCD diffractometer in crystal structure determinations at high pressure [J].
Dawson, A ;
Allan, DR ;
Parsons, S ;
Ruf, M .
JOURNAL OF APPLIED CRYSTALLOGRAPHY, 2004, 37 :410-416
[6]  
Edwards GM, 2000, COORDIN CHEM REV, V199, P1
[7]   Chemical bonding in transition metal carbonyl clusters: complementary analysis of theoretical and experimental electron densities. [J].
Macchi, P ;
Sironi, A .
COORDINATION CHEMISTRY REVIEWS, 2003, 238 :383-412
[8]   Characterization of the solid-solid phase transition of Co2(CO)6(AsPh3)2 [J].
Macchi, P ;
Garlaschelli, L ;
Martinengo, S ;
Sironi, A .
INORGANIC CHEMISTRY, 1998, 37 (24) :6263-6268
[9]  
SIRONI A, 1999, METAL CLUSTERS CHEM, V2, P937
1