Mercury(II) Complexes of the Carba-closo-dodecaboranyl Ligands [closo-1-CB11X11]2– (X = H, F, Cl, Br, I)
Mercury(II) Complexes of the Carba-closo-dodecaboranyl Ligands [closo-1-CB11X11]2– (X = H, F, Cl, Br, I)
复制标题
Carba-closo-dodecboranyl 配体的汞 (II) 配合物 [closo-1-CB11X11]2â (X = H、F、Cl、Br、I)
DOI:
10.1021/om201023h
复制
发表时间:
2012
期刊:
影响因子:
2.8
通讯作者:
M. Finze
中科院分区:
文献类型:
--
作者:
A. Himmelspach;J. A. P. Sprenger;J. Warneke;M. Zähres;M. Finze
Salts of the mercury(II) complexes [Hg(closo-1-CB11X11)2]2–(X = H (1), Cl (3), Br (4)) and [PhHg(closo-1-CB11X11)]−(X = H (6), Cl (8), Br (9), I (10)) were synthesized and characterized by multi-NMR spectroscopy, mass spectrometry, elemental analysis, and differential scanning calorimetry. Single crystals of Cs21·2Et2O, Cs23·MeCN, Cs24·4Me2CO, Cs9, and [Et4N]6·0.5Me2CO were studied by X-ray diffraction, and the interpretation of the bond properties is supported by theoretical data. In contrast to the mercury atom of the previously published [Hg(closo-1-CB11F11)2]2–(2), which coordinates either acetonitrile or water, the metal atom of the related dianionic complexes1,3, and4does not reveal any further coordination. According to results derived from DFT and ab initio calculations, this different behavior is reasoned in the case of1by a reduced Lewis acidity at mercury and in the case of3and4by the increased shielding of the central mercury atom as a result of the bulky halogenated carba-closo-dodecaboranyl ligands [closo-1-CB11X11]2–(X = Cl, Br). The dianionic complex [Hg(closo-1-CB11I11)2]2–(5) with the bulkiest carba-closo-dodecaboranyl ligand was generated via collision-induced dissociation and characterized by (−)-ESI mass spectrometry. The fragmentation pathways of the anionic complexes [Hg(closo-1-CB11X11)2]2–(X = H, F, Cl, Br, I (1–5)) and [PhHg(closo-1-CB11X11)]−(X = H, F, Cl, Br, I (6–10)) were studied by (−)-ESI mass spectrometry.
登录
查看更多内容
影响因子:
4.6
作者:
Yoshihiro Kobayashi;A. Popov;Susie M. Miller;O. P. Anderson;S. Strauss
通讯作者:
S. Strauss
影响因子:
4.6
作者:
G. B. Dunks;K. Barker;E. Hedaya;Catherine. Hefner;Kathy. Palmer;P. Remec
通讯作者:
P. Remec
影响因子:
--
作者:
A. Franken;B. T. King;J. Rudolph;P. Rao;B. Noll;J. Michl
通讯作者:
J. Michl
DOI:
--
发表时间:
2007
期刊:
影响因子:
--
作者:
Torsten Küppers;E. Bernhardt;R. Eujen;H. Willner;Christian W. Lehmann
通讯作者:
Christian W. Lehmann
影响因子:
15
作者:
H. Lee;C. Knobler;M. Hawthorne
通讯作者:
M. Hawthorne