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题名: An electrospray ionization Fourier transform ion cyclotron resonance mass spectrometry study of 1,6-methano[60]fullerene-61,61-dicarboxylic acid
作者: Zhang, R;  Fisher, KJ;  Smith, DR;  Willett, GD;  Peel, JB;  Gan, LB;  Shi, YR;  Gao, Z
关键词: mass spectrometry ;  FT/ICR ;  fullerene derivatives ;  electrospray ;  semi-empirical molecular orbital calculations ;  malonic acid derivatives ;  SORT-CID ;  negative ions
刊名: EUROPEAN JOURNAL OF MASS SPECTROMETRY
发表日期: 2000
卷: 6, 期:2, 页:161-168
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: 1,6-Methano[60]fullerene-61,61-dicarboxylic acid was studied by electrospray ionization Fourier transform ion cyclotron resonance mass spectrometry, The deprotonated molecule, C60C(COOH)COO-, and the decarboxylated molecular anion C60CHCOO- were observed. Gas-phase ion-molecule reactions occurred when the ion accumulation time in an external rf/dc hexapole ion trap was extended. Cluster ions of the type [C60CHCOOH](n)[C60CHCOO](-) (n = 1-2) were observed. Multiply-charged anions were observed for the dimer [C60CHCOOH][C60CHCOO](-). Collision-induced dissociation in the ion cyclotron resonance cell showed that C60C(COOH)COO- dissociated through the loss of two CO2 groups, with further fragmentation to produce C-60(-). A similar fragmentation pathway was also observed with capillary/skimmer collision-induced dissociation during the electrospray process. Semi-empirical calculations using the AM1 approximation with the MOPAC program have been performed on most of the neutral and ionic species related to this compound. Energy differences and charge distributions have been obtained for the possible geometry structures for these species.
关键词[WOS]: CYANO ADDUCT-ANIONS ;  FULLERENE DERIVATIVES ;  C-60 ;  CHEMISTRY ;  C-70 ;  C60 ;  BUCKMINSTERFULLERENE ;  IDENTIFICATION ;  DISSOCIATION ;  IRRADIATION
语种: 英语
WOS记录号: WOS:000165308800010
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/138698
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.Univ New S Wales, Sch Chem, Sydney, NSW 2052, Australia
2.La Trobe Univ, Dept Chem, Bundoora, Vic 3083, Australia
3.Beijing Univ, State Key Lab Rare Earth Mat Chem & Applicat, Beijing 100871, Peoples R China
4.Chinese Acad Sci, State Key Lab Mol React Dynam, Beijing, Peoples R China

Recommended Citation:
Zhang, R,Fisher, KJ,Smith, DR,et al. An electrospray ionization Fourier transform ion cyclotron resonance mass spectrometry study of 1,6-methano[60]fullerene-61,61-dicarboxylic acid[J]. EUROPEAN JOURNAL OF MASS SPECTROMETRY,2000,6(2):161-168.
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