Insertion reaction of CS2 into Ag-S bond synthesis and crystal structure of (PPh3)2 Ag(S2CSBu^t)

Abstract

Colorless (Me3CSAg)n and PPh3 was dissolved in CS2, to give orange crystalline (PPh3)2Ag(S2CSCMe3) which was characterized by single crystal x-ray diffraction. The reaction constitutes a novel insertion reaction of CS2 into Ag-S bond. The reaction was reversible, CS2 lost at 120-130? The crystal is triclinic, space group P1, a 10.571(1), b 13.638(3), c 14.391(3) ? a 88.75(2), b 72.84(1), g 80.58(1)? Z = 2, dc = 1.36, do = 1.36 g/cm3, R = 0.0454, and Rw = 0.043. The Ag atom is pseudotetrahedrally coordinated by 2 S atoms of Me3CSCS2, and 2 P. The CS3 group resulting from insertion of CS2 into Ag-S bond is approx. planar. The C-S bond lengths of CS3 are longer than that of uncoordinated CS2 and shorter than the single-bond length. Its IR spectrum was determine

Key words: CRYSTAL STRUCTURE, CARBON DISULFIDE, BUTANE, TRIPHENYLPHOSPHINE, CHEMICAL BONDS, INSERTION REACTION, SULFUR COMPOUNDS, SILVER COMPLEX

CLC Number:

O611.662

Cite this article

TANG KALUO;XING QING;YANG JIANPING;YANG QINGCHUAN;TANG YOUQI. Insertion reaction of CS2 into Ag-S bond synthesis and crystal structure of (PPh3)2 Ag(S2CSBu^t)[J]. Acta Chimica Sinica, 1990, 48(3): 242-246.

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CS2在Ag-S键中的插入反应的研究(PPh3)2 Ag(S2CSBu^t)