ISONITRILE COMPLEXES OF VANADIUM(II)

被引:9
作者
BOTTCHER, C [1 ]
RODEWALD, D [1 ]
REHDER, D [1 ]
机构
[1] UNIV HAMBURG,INST ANORGAN & ANGEW CHEM,D-20146 HAMBURG,GERMANY
关键词
ISONITRILE COMPLEXES; VANADIUM HALIDES;
D O I
10.1016/0022-328X(95)05433-P
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Reaction between [Et(4)N][V(CO)(6)], halogen and isonitrile in tetrahydrofuran (THF) yielded the complexes VX(2)(CNR)(4) (X = Br; R = (t)Bu (1) or Cy (2)) (X = I; R = (t)Bu (3) or Cy (4)). [V(CO)(6)](-), I-2 and CN(t)Bu, when reacted in CH2Cl2, form [VI(CN(t)Bu)(5)]I (5). Replacement of Br-2 by pyridinium bromide leads to the formation of VBr2(py)(4) (6). The X-ray structures of 1, 3 and 5 are reported. Crystal data are as follows. For VBr2(CN(t)Bu)(4) . 2THF (1 . 2THF): monoclinic; P2(1)/n; a = 9.775(5) Angstrom, b = 10.160(5) Angstrom and c = 18.43(2) Angstrom; beta = 104.93 degrees; Z = 2; R(1) = 0.0693 and wR(2) = 0.1445. For VI2(CN(t)Bu)(4)(. 2THF (3 . 2THF): monoclinic; P2(1)/n; a = 9.86.0(2) Angstrom, b = 10.329(2) Angstrom and c = 18.686(4) Angstrom; beta = 104.39(3)degrees; Z = 2; R(1) = 0.0479 and wR(2) = 0.0982. For [IV(CN(t)Bu)(5)]I (5): orthorhombic; Pnma; a = 20.259(6) Angstrom, b = 11.503(2) Angstrom and c = 19.325(10) Angstrom; Z = 4; R(1) = 0.0793 and wR(2) = 0.1699.
引用
收藏
页码:43 / 48
页数:6
相关论文
共 28 条
[1]   1,2-BIS(DIMETHYL)PHOSPHINOETHANE COMPLEXES OF MOLYBDENUM AND VANADIUM - X-RAY CRYSTAL-STRUCTURE OF TRANS-[MOCL(ETA-2-NCME)(DMPE)2]BPH4, TRANS-[MO(SPH)2(DMPE)2], TRANS-[V(NCME)2(DMPE)2](BPH4)2, TRANS-[V(CNBUT)2(DMPE)2](PF6)2 [J].
ANDERSON, SJ ;
WELLS, FJ ;
WILKINSON, G ;
HUSSAIN, B ;
HURSTHOUSE, MB .
POLYHEDRON, 1988, 7 (24) :2615-2626
[2]   REDUCTIVE COUPLING OF 2 CARBON-MONOXIDE LIGANDS TO FORM A COORDINATED ALKYNE [J].
BIANCONI, PA ;
WILLIAMS, ID ;
ENGELER, MP ;
LIPPARD, SJ .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1986, 108 (02) :311-313
[3]   REDUCTIVE COUPLING OF CARBON-MONOXIDE LIGANDS TO FORM COORDINATED BIS(TRIMETHYLSILOXY)ETHYNE IN 7-COORDINATE NIOBIUM(I) AND TANTALUM(I) [M(CO)2(DMPE)2CL] COMPLEXES .24. [J].
BIANCONI, PA ;
VRTIS, RN ;
RAO, CP ;
WILLIAMS, ID ;
ENGELER, MP ;
LIPPARD, SJ .
ORGANOMETALLICS, 1987, 6 (09) :1968-1977
[4]  
Brauer, 1973, CRYST STRUCT COMMUN, V2, P421
[5]   STUDIES ON CARBONYL DERIVATIVES OF EARLY TRANSITION-ELEMENTS - A CONVENIENT METHOD FOR THE PREPARATION OF THE [NB(CO)6]- ANION AT ATMOSPHERIC-PRESSURE AND ROOM-TEMPERATURE - CRYSTAL AND MOLECULAR-STRUCTURE OF [NB(CO)6]-,[TA(CO)6]- AS THEIR "BIS(TRIPHENYLPHOSPHINE)NITROGEN(1+) DERIVATIVES [J].
CALDERAZZO, F ;
ENGLERT, U ;
PAMPALONI, G ;
PELIZZI, G ;
ZAMBONI, R .
INORGANIC CHEMISTRY, 1983, 22 (13) :1865-1870
[6]   SYNTHESIS OF HEXACARBONYL DERIVATIVES OF GROUP-5 METALS AND ELECTRON-TRANSFER PROCESSES - CRYSTAL AND MOLECULAR-STRUCTURE OF TETRACARBONYL(1,2-BIS(DIPHENYLPHOSPHINO)ETHANE)IODOTANTALUM [J].
CALDERAZZO, F ;
PAMPALONI, G ;
PELIZZI, G ;
VITALI, F .
ORGANOMETALLICS, 1988, 7 (05) :1083-1092
[7]   PROTON-MEDIATED AND CARBONYL-MEDIATED ELECTRON-TRANSFER PROCESSES FROM THE HEXACARBONYLVANADATE(-1) ANION [J].
CALDERAZZO, F ;
PAMPALONI, G ;
LANFRANCHI, M ;
PELIZZI, G .
JOURNAL OF ORGANOMETALLIC CHEMISTRY, 1985, 296 (1-2) :1-13
[8]  
CARAFIGLIO T, 1989, INORG CHEM, V28, P4417
[9]   SYNTHESIS AND CHARACTERIZATION OF 7-COORDINATE TANTALUM(I) AND NIOBIUM(I) COMPLEXES WITH CIS CARBONYL AND ALKYL ISOCYANIDE LIGANDS [J].
CARNAHAN, EM ;
RARDIN, RL ;
BOTT, SG ;
LIPPARD, SJ .
INORGANIC CHEMISTRY, 1992, 31 (25) :5193-5201
[10]   FORMATION OF HIGHLY FUNCTIONALIZED METAL-BOUND ACETYLENES BY REDUCTIVE COUPLING OF CARBON-MONOXIDE AND METHYL ISOCYANIDE LIGANDS [J].
CARNAHAN, EM ;
LIPPARD, SJ .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1992, 114 (11) :4166-4174