1
|
Fernandes GFS, Machado FBC, Ferrão LFA. Electronic Structure of Small Isolated and Supported Manganese Oxide Clusters. J Phys Chem A 2023; 127:8773-8781. [PMID: 37839039 DOI: 10.1021/acs.jpca.3c01644] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2023]
Abstract
In the present work, possible molecular models of the isolated manganese oxides and supported Mn3Ox/Al2O3 structures were built based on small clusters of passivated MnOx. The support was represented as a simplified model of the alumina tetramer cluster based on small fragments of AlOxHy. Combinations of MnOxHy and AlOxHy clusters were made to form both the isolated and supported manganese oxides clusters. The electronic structure of these systems was characterized by ab initio methods (DFT and CASPT2). It was observed that the vertical excitation energy of the isolated and supported Mn3OxHy clusters is significantly lower than that of the alumina cluster model, while both the isolated and supported Mn3OxHy wave function characters are qualitatively similar with respect to the ground state and electronic transition processes, suggesting that the alumina cluster behaves as an inert support, since there is little contribution of this component in the description of the low-lying electronic states. The present study also reports for the first time the spectroscopic parameters of several clusters containing the manganese transition metal atom.
Collapse
Affiliation(s)
- Gabriel F S Fernandes
- Departamento de Química, Instituto Tecnológico de Aeronáutica, São José dos Campos,SP 12228-900, Brasil
| | - Francisco B C Machado
- Departamento de Química, Instituto Tecnológico de Aeronáutica, São José dos Campos,SP 12228-900, Brasil
| | - Luiz F A Ferrão
- Departamento de Química, Instituto Tecnológico de Aeronáutica, São José dos Campos,SP 12228-900, Brasil
| |
Collapse
|
2
|
Bai Y, Chen H, Wu S, Wang G, Li Y, Liu Y, Huang Y. Extensive generation and characterization of ion clusters by silicopolyoxometalate anions under matrix-assisted laser desorption/ionization conditions in the gas phase. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2021; 35:e9011. [PMID: 33232557 DOI: 10.1002/rcm.9011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Revised: 11/14/2020] [Accepted: 11/22/2020] [Indexed: 06/11/2023]
Abstract
RATIONALE The research area of ion clusters has helped to enrich the study of chemical bonding theory, clarify the crystal nucleation process and investigate the cluster ion-molecule reactions. The mass spectrometry (MS) technique, especially high-resolution MS, is an important method for investigating ion clusters in the gas phase. As polyoxometalates (POMs) have been attracting considerable interest in biochemistry, medicine and materials science due to their excellent structural and electronic features it is important to characterize these clusters by MS. METHODS Singly negatively charged molybdenum-containing and tungsten-containing ion clusters with different matrices were produced by Keggin-type silicopolyoxometalate anions under matrix-assisted laser desorption/ionization Fourier transform ion cyclotron resonance mass spectrometry (MALDI-FTICR MS) conditions. RESULTS The matrices displayed an obvious influence on the formation of ion clusters. It was found that the molybdenum-containing ion species [(HSiO3 )(MoO3 )n ]- , [(SiO2 )m (MoO3 )n (H2 O)x ] -• , [(OH)(MoO3 )n ]-• , [(MoO3 )n ]-• , and [Hx SiMoy Oz ]- were the main ion series in the mass spectra. For the tungsten-containing ion clusters, [(HSiO3 )(WO3 )n ]- , [(C8 H5 Om )(WO3 )n (H2 O)x ]- , [(OH)(WO3 )n ]- , and [(WO3 )n ]-• were the main ion species in the mass spectra, and a series of organic-inorganic hybrid tungsten-containing ion clusters [(C8 H5 Om )(WO3 )n (H2 O)x ]- were generated by the interaction of DHAP and THAP matrices with tungstate anions. Furthermore, the most abundant species (magic number) in each ion series indicated that they might adopt more stable structures than other relevant clusters. CONCLUSIONS Keggin-type silicopolyoxometalate anions can produce several series of singly charged molybdenum-containing/tungsten-containing ion clusters in negative-ion generating mode under MALDI conditions. It is proposed that the "Lucky Survivors" hypothesis may be used to illustrate the generation of ion clusters in the gas phase during the early stages of plume expansion. In addition, clear evidence of hydrogen transfer and electron capture to POMs was found in the obtained MALDI mass spectra. These results highlight the utility of the MALDI-FT method for obtaining novel ion clusters and also show the stability of these clusters.
Collapse
Affiliation(s)
- Yunpeng Bai
- Center of Scientific Research, Maoming People's Hospital, Maoming, 525000, China
| | - Hua Chen
- Department of Oncology, Maoming People's Hosptical, Maoming, 525000, China
| | - Shuixing Wu
- School of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, 571158, China
| | - Guangwen Wang
- Center of Scientific Research, Maoming People's Hospital, Maoming, 525000, China
| | - Yingbang Li
- Center of Scientific Research, Maoming People's Hospital, Maoming, 525000, China
| | - Yanling Liu
- School of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, 571158, China
| | - Yisheng Huang
- Department of Oncology, Maoming People's Hosptical, Maoming, 525000, China
| |
Collapse
|
3
|
Ralser S, Postler J, Harnisch M, Ellis AM, Scheier P. Extracting cluster distributions from mass spectra: IsotopeFit. INTERNATIONAL JOURNAL OF MASS SPECTROMETRY 2015; 379:194-199. [PMID: 26109907 PMCID: PMC4461193 DOI: 10.1016/j.ijms.2015.01.004] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2014] [Revised: 01/16/2015] [Accepted: 01/19/2015] [Indexed: 05/16/2023]
Abstract
The availability of high resolution mass spectrometry in the study of atomic and molecular clusters opens up challenges for the interpretation of the data. In complex systems each resolved mass peak may contain contributions from multiple species because of the isotope structure of constituent elements and because a multitude of different types of clusters with different compositions are present. A computational procedure which can help to identify a specific cluster from this complex dataset and quantify its relative abundance would be extremely helpful to many who work in this field. Here some new software designed for this purpose, known as IsotopeFit, is described.
Collapse
Affiliation(s)
- Stefan Ralser
- Institut für Ionenphysik und Angewandte Physik, Universität Innsbruck, Technikerstr. 25/3, A-6020 Innsbruck, Austria
| | - Johannes Postler
- Institut für Ionenphysik und Angewandte Physik, Universität Innsbruck, Technikerstr. 25/3, A-6020 Innsbruck, Austria
| | - Martina Harnisch
- Institut für Ionenphysik und Angewandte Physik, Universität Innsbruck, Technikerstr. 25/3, A-6020 Innsbruck, Austria
| | - Andrew M. Ellis
- Department of Chemistry, University of Leicester, University Road, Leicester LE1 7RH, United Kingdom
| | - Paul Scheier
- Institut für Ionenphysik und Angewandte Physik, Universität Innsbruck, Technikerstr. 25/3, A-6020 Innsbruck, Austria
- Corresponding author. Tel.: +43 512 507 52660; fax: +43 512 507 2932.
| |
Collapse
|
4
|
Diaconescu PL, Cummins CC. μ-η6,η6-Arene-Bridged Diuranium Hexakisketimide Complexes Isolable in Two States of Charge. Inorg Chem 2012; 51:2902-16. [DOI: 10.1021/ic202163m] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Paula L. Diaconescu
- Department of Chemistry & Biochemistry, University of California, Los Angeles, California 90095, United States
| | - Christopher C. Cummins
- Department
of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts
02139, United States
| |
Collapse
|
5
|
Bai YP, Liu S, Song FR, Liu ZQ, Liu SY. Formation of tungstate-containing cluster ions by polyoxotungstate anions under matrix-assisted laser desorption/ionization conditions in the gas phase. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2011; 25:3504-3508. [PMID: 22095498 DOI: 10.1002/rcm.5260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
The gas-phase studies of transition-metal oxides continue to attract interest as such oxides are being used as catalysts in various oxidation processes. In this paper, singly negatively charged heteropolyoxotungstate and isopolyoxotungstate ion clusters were produced from Keggin-type polyoxotungstates by matrix-assisted laser desorption/ionization Fourier transform ion cyclotron resonance mass spectrometry (MALDI-FTICR MS). It was found that the ion series [(PO(3))(WO(3))(n)](-), [(WO(3))(n)](-) and [(OH)(WO(3))(n)](-) were the main fragment ions in the mass spectra and the matrix greatly influenced the resulting cluster ion abundances. [(PO(3))(WO(3))(3)](-), [(WO(3))(3)](-) and [(OH)(WO(3))(4)](-) were the most intense ions in each series when 2-(4-hydroxyphenylazo)benzoic acid was the matrix, whereas [(PO(3))(WO(3))(4)](-), [(WO(3))(6)](-) and [(OH)(WO(3))(4)](-) were the most intense when dithranol (DIT) was the matrix. In addition, a new kind of hybrid ion [W(2)C(14)H(7)O(8)](-) was produced through the reaction of DIT and [(OH)(WO(3))](-) in the plume of the gas phase. These results highlight the utility of the MALDI-FT method for obtaining novel ion clusters and also show the stability of these clusters.
Collapse
Affiliation(s)
- Yun-Peng Bai
- Changchun Center of Mass Spectrometry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun, 130022, China
| | | | | | | | | |
Collapse
|
6
|
Koch K, Schnepf A, Schnöckel H. The Stepwise Fragmentation and Modification of a Structurally well-defined Metalloid Cluster in the Gas-Phase – from [Ge9R3]− (R = Si(SiMe3)3) to [Ge9]− and [Ge9Si]−. Z Anorg Allg Chem 2006. [DOI: 10.1002/zaac.200600050] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
|
7
|
Abstract
Tetrels can be regarded as most promising candidates for the construction of larger clusters. Recent examples have shown that larger clusters are particularly stable if they contain interstitial atoms (e.g. [Pt@Pb12]2-). Many salts of the polyhedral anions are soluble, but a number of examples-usually those with higher charges-occur only as quasi-discrete units in saltlike crystals (Zintl phases) or as building blocks in intermetallic phases. In this Minireview, the chemistry of intermetalloid clusters is reviewed with reference to the endohedral Zintl ions, Zintl phases, and polyhedral building blocks of intermetallic compounds, including heteroatomic species in the gas phase. We focus on selected examples and discuss the new findings in the context of recent advances in the field of metalloid clusters and (endohedral) fullerenes and fullerides.
Collapse
Affiliation(s)
- Thomas F Fässler
- Department of Chemistry, Technische Universität München, Lichtenbergstrasse 4, Garching, Germany.
| | | |
Collapse
|
8
|
|
9
|
Aromaticity of the square P42- dianion in the P4M (M=Be, Mg, and Ca) and P4M2 (M=Li, Na, and K) clusters. Chem Phys Lett 2004. [DOI: 10.1016/j.cplett.2004.08.066] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
|
10
|
Zahn D. Atomistic mechanism of NaCl nucleation from an aqueous solution. PHYSICAL REVIEW LETTERS 2004; 92:040801. [PMID: 14995361 DOI: 10.1103/physrevlett.92.040801] [Citation(s) in RCA: 99] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2003] [Indexed: 05/24/2023]
Abstract
Despite great technological relevance, the initial steps of nucleation and crystal growth from solution are still poorly understood. While experimentally difficult to access, simulations in principle may provide insight at the atomic level. However, in most cases the computational demand dramatically exceeds the scope of current hardware. Since crystallization usually occurs on time scales much larger than the few ns of a molecular dynamics simulation, special techniques for the study of rare events are of particular interest. In the present work the nucleation of sodium chloride aggregates from aqueous solution is investigated from path sampling molecular dynamics simulation. The introduced simulation schemes appear to be widely applicable.
Collapse
Affiliation(s)
- Dirk Zahn
- Max-Planck Institut für Chemische Physik fester Stoffe, Nöthnitzer Strasse 40, 01187 Dresden, Germany.
| |
Collapse
|
11
|
Neukermans S, Janssens E, Tanaka H, Silverans RE, Lievens P. Element- and size-dependent electron delocalization in AuNX+ clusters (X = Sc, Ti, V, Cr, Mn, Fe, Co, Ni). PHYSICAL REVIEW LETTERS 2003; 90:033401. [PMID: 12570488 DOI: 10.1103/physrevlett.90.033401] [Citation(s) in RCA: 100] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2002] [Indexed: 05/24/2023]
Abstract
We investigated the stability of gold clusters doped with open 3d-shell atoms (Sc, Ti, V, Cr, Mn, Fe, Co, Ni). Steps, peaks, and odd-even staggering in mass abundance spectra upon photofragmentation provide evidence for enhanced stability for specific cluster sizes. The observed magic numbers are explained in terms of size- and dopant-dependent modifications of the effective mean-field potential within a phenomenological shell-model approach. Element-dependent 3d electron delocalization and odd-even staggering amplitudes are related to the dopant-atom structure.
Collapse
Affiliation(s)
- S Neukermans
- Laboratorium voor Vaste-Stoffysica en Magnetisme, K.U.Leuven, B-3001 Leuven, Belgium
| | | | | | | | | |
Collapse
|
12
|
|
13
|
Fässler TF. The renaissance of homoatomic nine-atom polyhedra of the heavier carbon-group elements Si–Pb. Coord Chem Rev 2001. [DOI: 10.1016/s0010-8545(01)00321-6] [Citation(s) in RCA: 171] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
|
14
|
Bouwen W, Vanhoutte F, Despa F, Bouckaert S, Neukermans S, Theil Kuhn L, Weidele H, Lievens P, Silverans RE. Stability effects of AunXm+ (X=Cu, Al, Y, In) clusters. Chem Phys Lett 1999. [DOI: 10.1016/s0009-2614(99)01150-1] [Citation(s) in RCA: 102] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
|
15
|
Fässler TF, Muhr HJ, Hunziker M. Generation of Gas-Phase Ge, Sn, and Pb Cluster Anions from Various Sources and Comparison to Solid-State Analogues. Eur J Inorg Chem 1998. [DOI: 10.1002/(sici)1099-0682(199810)1998:10<1433::aid-ejic1433>3.0.co;2-0] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
|
16
|
Borrmann H, Campbell J, Dixon DA, Mercier HPA, Pirani AM, Schrobilgen GJ. Tl2Ch22- (Ch = Se and/or Te) Anions: X-ray Crystal Structures and Raman Spectra of (2,2,2-crypt-K+)2Tl2Se22- and (2,2,2-crypt-K+)2Tl2Te22- and Solution 77Se, 203Tl, and 205Tl NMR Spectroscopic and Theoretical Studies of Tl2Ch22-, In2Se22-, and In2Te22-. Inorg Chem 1998. [DOI: 10.1021/ic9710465] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Horst Borrmann
- Max-Planck-Institut für Festkörperforschung, Heisenbergstrasse 1, Stuttgart D-70569, Germany, Department of Chemistry, McMaster University, Hamilton, Ontario L8S 4M1, Canada, and William R. Wiley Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, 906 Battelle Blvd., P.O. Box 999, KI-83 Richland, Washington 99352
| | - Janette Campbell
- Max-Planck-Institut für Festkörperforschung, Heisenbergstrasse 1, Stuttgart D-70569, Germany, Department of Chemistry, McMaster University, Hamilton, Ontario L8S 4M1, Canada, and William R. Wiley Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, 906 Battelle Blvd., P.O. Box 999, KI-83 Richland, Washington 99352
| | - David A. Dixon
- Max-Planck-Institut für Festkörperforschung, Heisenbergstrasse 1, Stuttgart D-70569, Germany, Department of Chemistry, McMaster University, Hamilton, Ontario L8S 4M1, Canada, and William R. Wiley Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, 906 Battelle Blvd., P.O. Box 999, KI-83 Richland, Washington 99352
| | - Hélène P. A. Mercier
- Max-Planck-Institut für Festkörperforschung, Heisenbergstrasse 1, Stuttgart D-70569, Germany, Department of Chemistry, McMaster University, Hamilton, Ontario L8S 4M1, Canada, and William R. Wiley Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, 906 Battelle Blvd., P.O. Box 999, KI-83 Richland, Washington 99352
| | - Ayaaz M. Pirani
- Max-Planck-Institut für Festkörperforschung, Heisenbergstrasse 1, Stuttgart D-70569, Germany, Department of Chemistry, McMaster University, Hamilton, Ontario L8S 4M1, Canada, and William R. Wiley Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, 906 Battelle Blvd., P.O. Box 999, KI-83 Richland, Washington 99352
| | - Gary J. Schrobilgen
- Max-Planck-Institut für Festkörperforschung, Heisenbergstrasse 1, Stuttgart D-70569, Germany, Department of Chemistry, McMaster University, Hamilton, Ontario L8S 4M1, Canada, and William R. Wiley Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, 906 Battelle Blvd., P.O. Box 999, KI-83 Richland, Washington 99352
| |
Collapse
|
17
|
Becker JA. Molekularstrahlexperimente an Halbleiterclustern: Polarisierbarkeiten und chemische Bindung. Angew Chem Int Ed Engl 1997. [DOI: 10.1002/ange.19971091305] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
|
18
|
Ferrell W, von Heimburg S, Van Stipdonk M, Schweikert E. Secondary cluster ion distributions produced by MeV ion impacts on Group IIA oxides and nitrates. ACTA ACUST UNITED AC 1996. [DOI: 10.1016/s0168-1176(96)04389-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
|
19
|
Castleman AW, Bowen KH. Clusters: Structure, Energetics, and Dynamics of Intermediate States of Matter. ACTA ACUST UNITED AC 1996. [DOI: 10.1021/jp961030k] [Citation(s) in RCA: 603] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- A. W. Castleman
- Department of Chemistry, Pennsylvania State University, 152 Davey Laboratory, University Park, Pennsylvania 16802
| | - K. H. Bowen
- Department of Chemistry, The Johns Hopkins University, 3400 N. Charles Street, Baltimore, Maryland 21218
| |
Collapse
|
20
|
Scherer OJ, Schwarz G, Wolmersh�user G. Eisen-Zweikernkomplexe mit unterschiedlichen P4-Liganden. Z Anorg Allg Chem 1996. [DOI: 10.1002/zaac.19966220606] [Citation(s) in RCA: 73] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
|
21
|
Roland PA, Wynne JJ. Photoionization and photofragmentation of BxNy clusters produced by laser vaporization of boron nitride. J Chem Phys 1993. [DOI: 10.1063/1.465583] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
|
22
|
Keck H, Kuchen W, Tommes P, Terlouw JK, Wong T. GASEOUS DIPHOSPHORUS AND TRIPHOSPHORUS SULFIDE: GENERATION AND IDENTIFICATION BY NEUTRALIZATION-REIONIZATION MASS SPECTROMETRY. PHOSPHORUS SULFUR 1991. [DOI: 10.1080/10426509108036834] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
|
23
|
|
24
|
Tsipis C. Theoretical approaches to the description of the electronic structure and chemical reactivity of transition metal compounds. Coord Chem Rev 1991. [DOI: 10.1016/0010-8545(91)84002-m] [Citation(s) in RCA: 29] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
|
25
|
Scherer OJ. Komplexe mit substituentenfreien acyclischen und cyclischen Phosphor-, Arsen-, Antimon- und Bismutliganden. Angew Chem Int Ed Engl 1990. [DOI: 10.1002/ange.19901021006] [Citation(s) in RCA: 142] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
|
26
|
Musolino V, Toscano M, Russo N. Electronic structure and photoelectron spectra of Sb2 and Sb4 from local-spin-density calculations. Model potential for Sb. J Comput Chem 1990. [DOI: 10.1002/jcc.540110804] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
|
27
|
Pargellis AN. Estimating carbon cluster binding energies from measured Cndistributions,n≤10. J Chem Phys 1990. [DOI: 10.1063/1.459035] [Citation(s) in RCA: 25] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
|
28
|
|
29
|
Limberger HG, Martin TP. Photoionization spectra of cesium and cesium oxide clusters. J Chem Phys 1989. [DOI: 10.1063/1.455899] [Citation(s) in RCA: 90] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
|
30
|
Fenske D, Ohmer J, Hachgenei J, Merzweiler K. Neue Übergangsmetallcluster-Komplexe mit Liganden der fünften und sechsten Hauptgruppe. Angew Chem Int Ed Engl 1988. [DOI: 10.1002/ange.19881001006] [Citation(s) in RCA: 70] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
|
31
|
|
32
|
|
33
|
Ploog K. Microscopical Structuring of Solids by Molecular Beam Epitaxy?Spatially Resolved Materials Synthesis. ACTA ACUST UNITED AC 1988. [DOI: 10.1002/anie.198805933] [Citation(s) in RCA: 62] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
|
34
|
Ploog K. Mikroskopische Strukturierung von Festkörpern durch Molekularstrahl-Epitaxie — ortsaufgelöste Materialsynthese. Angew Chem Int Ed Engl 1988. [DOI: 10.1002/ange.19881000504] [Citation(s) in RCA: 24] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
|
35
|
|
36
|
Simon A. Cluster valenzelektronenarmer Metalle – Strukturen, Bindung, Eigenschaften. Angew Chem Int Ed Engl 1988. [DOI: 10.1002/ange.19881000112] [Citation(s) in RCA: 88] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
|
37
|
Russo N, Andzelm J, Salahub DR. LCGTO MP LSD calculations for the diatomics PdX (X = C, Si, Ge, Sn). Chem Phys 1987. [DOI: 10.1016/0301-0104(87)85046-2] [Citation(s) in RCA: 25] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
|