Synthesis, structure, and properties of a dimeric chromium(II) pyrazolato complex with a long chromium-chromium distance. Maintenance of a dimeric structure in solution and interconversion between dimeric and monomeric structures

被引:14
作者
El-Kadri, Oussama M. [1 ]
Heeg, Mary Jane [1 ]
Winter, Charles H. [1 ]
机构
[1] Wayne State Univ, Dept Chem, Detroit, MI 48202 USA
关键词
D O I
10.1021/ic060749w
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The synthesis, solid-state structure, and solution structure of Cr-2(tBu(2)pz)(4) are described. This complex is obtained by sublimation of the monomeric species Cr(tBu(2)pz)(2)(4-tBupy)(2) and contains long chromium-chromium distances that are enforced by the divergent nature of the pyrazolato ligands.
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页码:5278 / 5280
页数:3
相关论文
共 18 条
[1]   MONONUCLEAR-DINUCLEAR EQUILIBRIUM FOR THE PYRIDINE ADDUCTS OF CHROMIUM(II) SACCHARINATES [J].
ALFARO, NM ;
COTTON, FA ;
DANIELS, LM ;
MURILLO, CA .
INORGANIC CHEMISTRY, 1992, 31 (13) :2718-2723
[2]   Synthesis and structural characterization of unsymmetrical osmocenes containing the pentamethylcyclopentadienyl ligand [J].
Arachchige, SM ;
Heeg, MJ ;
Winter, CH .
JOURNAL OF ORGANOMETALLIC CHEMISTRY, 2005, 690 (19) :4356-4365
[3]   COORDINATION CHEMISTRY, INDUCTIVE METAL METAL BOND TRANSFER, AND MAGNETIC-SUSCEPTIBILITY OF ADDUCTS OF TETRAKIS(TRIFLUOROACETATO)DICHROMIUM [J].
BILGRIEN, CJ ;
DRAGO, RS ;
OCONNOR, CJ ;
WONG, N .
INORGANIC CHEMISTRY, 1988, 27 (08) :1410-1417
[4]   2 CHROMIUM(II) COMPLEXES WITH AMIDATO-LIKE LIGANDS - A COMPOUND WITH THE LONGEST CR-CR BOND AND A MONONUCLEAR COMPOUND WITH D2D SYMMETRY [J].
COTTON, FA ;
FALVELLO, LR ;
SCHWOTZER, W ;
MURILLO, CA ;
VALLEBOURROUET, G .
INORGANICA CHIMICA ACTA, 1991, 190 (01) :89-95
[5]   TETRAKIS(2-METHOXY-5-METHYLPHENYL)DICHROMIUM [J].
COTTON, FA ;
KOCH, SA ;
MILLAR, M .
INORGANIC CHEMISTRY, 1978, 17 (08) :2084-2086
[6]   PARTIAL PARAMAGNETISM OF THE CR-CR QUADRUPLE BOND [J].
COTTON, FA ;
CHEN, H ;
DANIELS, LM ;
FENG, XJ .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1992, 114 (23) :8980-8983
[7]   A DICHROMIUM(II) COMPOUND WITH AN ELONGATED METAL METAL BOND - CR2(OXINDOLATE)4(OXINDOLE)2 [J].
COTTON, FA ;
WANG, W .
POLYHEDRON, 1985, 4 (10) :1735-1739
[8]   SENSITIVITY OF CHROMIUM CHROMIUM QUADRUPLE BOND IN DICHROMIUM TETRA-CARBOXYLATES TO AXIAL COORDINATION AND CHANGES IN INDUCTIVE EFFECTS [J].
COTTON, FA ;
EXTINE, MW ;
RICE, GW .
INORGANIC CHEMISTRY, 1978, 17 (01) :176-186
[9]   A dichromium(II,II) compound with a strong antiferromagnetic coupling but little or no Cr-Cr bonding [J].
Cotton, FA ;
Murillo, CA ;
Zhou, HC .
INORGANIC CHEMISTRY, 2000, 39 (16) :3728-+
[10]  
COTTON FA, 2005, MULTIPLE BONDS METAL, pCH3