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Affiliation(s)
- D. Bonvin
- Ecole Polytechnique Fédérale de Lausanne, Lausanne, 1015, Switzerland
| | - C. Georgakis
- Tufts University, Medford, Massachusetts 02155, United States
| | - C. C. Pantelides
- Imperial College
London, and Process Systems Enterprise Ltd, London, U. K
| | - M. Barolo
- University of Padova, Padova, 35131, Italy
| | - M. A. Grover
- Georgia Institute of Technology, Atlanta, Georgia 30332, United States
| | - D. Rodrigues
- Ecole Polytechnique Fédérale de Lausanne, Lausanne, 1015, Switzerland
| | | | - D. Dochain
- Université Catholique de Louvain, Louvain-la-Neuve, 1348, Belgium
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Kazantsev AV, Karamertzanis PG, Adjiman CS, Pantelides CC. Efficient Handling of Molecular Flexibility in Lattice Energy Minimization of Organic Crystals. J Chem Theory Comput 2011; 7:1998-2016. [DOI: 10.1021/ct100597e] [Citation(s) in RCA: 97] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- A. V. Kazantsev
- Centre for Process Systems Engineering, Department of Chemical Engineering, Imperial College London, South Kensington Campus, London SW7 2AZ, United Kingdom
| | - P. G. Karamertzanis
- Centre for Process Systems Engineering, Department of Chemical Engineering, Imperial College London, South Kensington Campus, London SW7 2AZ, United Kingdom
| | - C. S. Adjiman
- Centre for Process Systems Engineering, Department of Chemical Engineering, Imperial College London, South Kensington Campus, London SW7 2AZ, United Kingdom
| | - C. C. Pantelides
- Centre for Process Systems Engineering, Department of Chemical Engineering, Imperial College London, South Kensington Campus, London SW7 2AZ, United Kingdom
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Day GM, Motherwell WDS, Ammon HL, Boerrigter SXM, Della Valle RG, Venuti E, Dzyabchenko A, Dunitz JD, Schweizer B, van Eijck BP, Erk P, Facelli JC, Bazterra VE, Ferraro MB, Hofmann DWM, Leusen FJJ, Liang C, Pantelides CC, Karamertzanis PG, Price SL, Lewis TC, Nowell H, Torrisi A, Scheraga HA, Arnautova YA, Schmidt MU, Verwer P. A third blind test of crystal structure prediction. Acta Crystallogr B Struct Sci 2005; 61:511-27. [PMID: 16186652 DOI: 10.1107/s0108768105016563] [Citation(s) in RCA: 241] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2004] [Accepted: 05/24/2005] [Indexed: 11/10/2022]
Abstract
Following the interest generated by two previous blind tests of crystal structure prediction (CSP1999 and CSP2001), a third such collaborative project (CSP2004) was hosted by the Cambridge Crystallographic Data Centre. A range of methodologies used in searching for and ranking the likelihood of predicted crystal structures is represented amongst the 18 participating research groups, although most are based on the global minimization of the lattice energy. Initially the participants were given molecular diagrams of three molecules and asked to submit three predictions for the most likely crystal structure of each. Unlike earlier blind tests, no restriction was placed on the possible space group of the target crystal structures. Furthermore, Z′ = 2 structures were allowed. Part-way through the test, a partial structure report was discovered for one of the molecules, which could no longer be considered a blind test. Hence, a second molecule from the same category (small, rigid with common atom types) was offered to the participants as a replacement. Success rates within the three submitted predictions were lower than in the previous tests – there was only one successful prediction for any of the three `blind' molecules. For the `simplest' rigid molecule, this lack of success is partly due to the observed structure crystallizing with two molecules in the asymmetric unit. As in the 2001 blind test, there was no success in predicting the structure of the flexible molecule. The results highlight the necessity for better energy models, capable of simultaneously describing conformational and packing energies with high accuracy. There is also a need for improvements in search procedures for crystals with more than one independent molecule, as well as for molecules with conformational flexibility. These are necessary requirements for the prediction of possible thermodynamically favoured polymorphs. Which of these are actually realised is also influenced by as yet insufficiently understood processes of nucleation and crystal growth.
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Affiliation(s)
- G M Day
- The Pfizer Institute for Pharmaceutical Materials Science, University Chemical Laboratory, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, England.
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Siettos CI, Pantelides CC, Kevrekidis IG. Enabling Dynamic Process Simulators to Perform Alternative Tasks: A Time-Stepper-Based Toolkit for Computer-Aided Analysis. Ind Eng Chem Res 2003. [DOI: 10.1021/ie021062w] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- C. I. Siettos
- Departments of Chemical Engineering and Mathematics and PACM, Princeton University, Princeton, New Jersey 08544, and Centre for Process Systems Engineering, Department of Chemical Engineering and Chemical Technology, Imperial College of Science, Technology and Medicine, London, SW72BY U.K
| | - C. C. Pantelides
- Departments of Chemical Engineering and Mathematics and PACM, Princeton University, Princeton, New Jersey 08544, and Centre for Process Systems Engineering, Department of Chemical Engineering and Chemical Technology, Imperial College of Science, Technology and Medicine, London, SW72BY U.K
| | - I. G. Kevrekidis
- Departments of Chemical Engineering and Mathematics and PACM, Princeton University, Princeton, New Jersey 08544, and Centre for Process Systems Engineering, Department of Chemical Engineering and Chemical Technology, Imperial College of Science, Technology and Medicine, London, SW72BY U.K
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Vassiliadis VS, Sargent RWH, Pantelides CC. Solution of a Class of Multistage Dynamic Optimization Problems. 1. Problems without Path Constraints. Ind Eng Chem Res 2002. [DOI: 10.1021/ie00033a014] [Citation(s) in RCA: 326] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Vassiliadis VS, Sargent RWH, Pantelides CC. Solution of a Class of Multistage Dynamic Optimization Problems. 2. Problems with Path Constraints. Ind Eng Chem Res 2002. [DOI: 10.1021/ie00033a015] [Citation(s) in RCA: 268] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Affiliation(s)
- P. Tsiakis
- Centre for Process Systems Engineering, Imperial College of Science, Technology and Medicine, London SW7 2BY, United Kingdom
| | - N. Shah
- Centre for Process Systems Engineering, Imperial College of Science, Technology and Medicine, London SW7 2BY, United Kingdom
| | - C. C. Pantelides
- Centre for Process Systems Engineering, Imperial College of Science, Technology and Medicine, London SW7 2BY, United Kingdom
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