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具有岩盐拓扑结构的银硒化物/硒代酸盐簇中是否存在中心 Se 原子:[(Ph(3)PAg)(8)Ag(6)(mu(6)-Se)(1-x/2)(SePh)(12)](x+) (x = 0, 1) 的合成与性质。

Presence or absence of a central Se atom in silver selenide/selenolate clusters with halite topology: syntheses and properties of [(Ph(3)PAg)(8)Ag(6)(mu(6)-Se)(1-x/2)(SePh)(12)](x+) (x = 0, 1).

机构信息

Fachbereich Chemie and Wissenschaftliches Zentrum für Materialwissenschaften, Philipps-Universität Marburg, Hans-Meerwein-Strasse, 35043 Marburg, Germany.

出版信息

Inorg Chem. 2010 Jan 4;49(1):144-9. doi: 10.1021/ic901629k.

DOI:10.1021/ic901629k
PMID:20035567
Abstract

Two types of Ph(3)P/Ph ligated Ag(14)Se(13-x) (x = 0, 0.5) clusters with halite topology were synthesized that differ by the occupation/nonoccupation of the central position by a 13th Se atom and the resulting charge: neutral [(Ph(3)PAg)(8)Ag(6)(mu(6)-Se)(SePh)(12)].11THF (1) and ionic [(Ph(3)PAg)(8)Ag(6)(mu(6)-Se)(0.5)(SePh)(12)][R(3)SnCl(2)].nTHF (R = Ph, n = 6 (2a); Cy, n = 5 (2b)) are all based on a tetradecanuclear cluster. The structural response on the charge was rationalized by DFT calculations, and the optical absorption behavior was studied.

摘要

两种具有岩盐拓扑结构的 Ph(3)P/Ph 配位的 Ag(14)Se(13-x)(x = 0,0.5)簇被合成出来,它们的区别在于第 13 个 Se 原子占据/不占据中心位置,以及由此产生的电荷:中性 [(Ph(3)PAg)(8)Ag(6)(mu(6)-Se)(SePh)(12)].11THF(1)和离子 [(Ph(3)PAg)(8)Ag(6)(mu(6)-Se)(0.5)(SePh)(12)][R(3)SnCl(2)].nTHF(R = Ph,n = 6(2a);Cy,n = 5(2b))均基于十四核簇。通过 DFT 计算对电荷的结构响应进行了合理化解释,并研究了其光学吸收行为。

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