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题名: Formation, photodissociation, and structure studies of group 14(Si, Ge, Sn, and Pb)/P binary cluster ions
作者: Liu, JB;  Xing, XP;  Liu, P;  Gao, Z
关键词: group 14/phosphorus cluster ions ;  laser ablation ;  time-of-flight mass spectrometer ;  photodissociation ;  density functional theory calculations
刊名: INTERNATIONAL JOURNAL OF MASS SPECTROMETRY
发表日期: 2000-10-16
卷: 202, 期:1-3, 页:261-271
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Physics, Atomic, Molecular & Chemical ;  Spectroscopy
研究领域[WOS]: Physics ;  Spectroscopy
英文摘要: Group 14(Si, Ge, Sn, and Pb)/P binary cluster ions have been produced by laser ablation, photodissociated by UV laser and detected with a tandem time-of-flight mass spectrometer. As expected on the double periodicities of group 14 elements, Si/P and Ge/P binary cluster ions, whereas Sn/P and Pb/P binary cluster ions, have similar compositions, respectively. The stabilities of these binary phosphide cluster ions depend on their electronic and geometric structures, and the influence of geometric structures on the stabilities is increasing from Si/P cluster ions to Pb/P cluster ions. "Magic numbers" are observed in two types of binary phosphide cluster ions. One type of magic numbered binary cluster ions is isoelectronic to Zintl polyatomic anions (e.g. Pb-5(2-)) in condensed phases. These binary cluster ions are composed of group 14 metals mainly, containing only one or two phosphorus atoms. The structures and bonding scheme of these binary cluster ions can be predicted by using Wade's electron counting rule. Another type of magic numbered binary cluster ions is isoelectronic either to the neutral group 14 clusters or to the neutral phosphorus clusters, and thus may present similar structures as their neutral analogues. The possible structures and bonding of the magic numbered cluster ions are further investigated with density functional theory Becke-style 3 parameter using the Lee-Yang-Parr correlation functional calculations. (Int J Mass Spectrom 202 (2000) 261-271) (C) 2000 Elsevier Science B.V.
关键词[WOS]: COMPOUND CLUSTERS ;  GROUP-IV ;  PHOSPHORUS ;  ANIONS ;  PATTERNS ;  SILICON
语种: 英语
WOS记录号: WOS:000090081800025
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/138822
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Chem, State Key Lab Mol React Dynam, Beijing 100080, Peoples R China

Recommended Citation:
Liu, JB,Xing, XP,Liu, P,et al. Formation, photodissociation, and structure studies of group 14(Si, Ge, Sn, and Pb)/P binary cluster ions[J]. INTERNATIONAL JOURNAL OF MASS SPECTROMETRY,2000,202(1-3):261-271.
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